{"title":"Boltigen","description":"\u003cp\u003eBrowse 38 Boltigen products at British Garage, including air conditioning tools, caravan plumbing \u0026amp; water and transmission \u0026amp; drivetrain. Every listing names the vehicles and fitments it suits — check the compatibility details on each product page before you order.\u003c\/p\u003e\u003cp\u003eFree tracked UK delivery on every order and 30-day returns.\u003c\/p\u003e","products":[{"product_id":"boltigen-1-2-id-transmission-oil-cooler-hose-5ft-300-psi-sae-j1532","title":"Boltigen 1\/2 ID Transmission Oil Cooler Hose 5ft — 300 PSI, SAE J1532","description":"\u003cp\u003e\u003cstrong\u003eThe Boltigen 1\/2\" ID Transmission Oil Cooler Hose is a 5-foot, SAE J1532-compliant transmission and hydraulic line engineered for high-pressure automotive cooling and power steering applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty cooler hose is designed to link your transmission or hydraulic system to an oil cooler while standing up to tough conditions. Built with a reinforced inner braid and a protective outer layer, the line balances flexibility and abrasion resistance for workshop installs, repairs, and custom routing in cars, trucks, and off-road machines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose handle high pressure and heat?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen hose is rated for a 300 PSI working pressure and a 1,800 PSI burst pressure, providing a large safety margin for strenuous operation. It tolerates extreme temperatures so it won’t soften or crack across common automotive temperature ranges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 300 PSI for continuous service\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: 1,800 PSI for safety under spikes\u003c\/li\u003e\n  \u003cli\u003eTemperature tolerance: -40°F to +302°F for wide climate use\u003c\/li\u003e\n  \u003cli\u003eReinforced internal braid for strength under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials make this hose durable for oil and hydraulic fluids?\u003c\/h3\u003e\n\u003cp\u003eThis cooler line combines a polyester braid core with a chemically resistant CPE (chlorinated polyethylene) outer tube. That construction resists oil, abrasion, ozone exposure, and environmental wear to maintain integrity over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner polyester braid for tensile and pressure resistance\u003c\/li\u003e\n  \u003cli\u003eCPE outer layer resists oil, abrasion, and weathering\u003c\/li\u003e\n  \u003cli\u003eCompatibility with transmission fluid, lubricants, gasoline, and hydraulic oils\u003c\/li\u003e\n  \u003cli\u003eManufactured to SAE J1532 standard for consistent quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich systems and installations is this 1\/2\" hose suited for?\u003c\/h3\u003e\n\u003cp\u003eThe 1\/2\" inner diameter and 5-foot length make this line a fit for many transmission cooler hookups, power steering return lines, and auxiliary hydraulic circuits. Its flexibility and standard sizing simplify retrofit work and OEM-style replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransmission oil cooler connections and return lines\u003c\/li\u003e\n  \u003cli\u003ePower steering and hydraulic system use\u003c\/li\u003e\n  \u003cli\u003eAutomotive repairs, industrial machines, and off-road vehicles\u003c\/li\u003e\n  \u003cli\u003eCustom routing where 5 feet of length and 1\/2\" ID are required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I select and install the right fittings with this hose?\u003c\/h3\u003e\n\u003cp\u003eChoose fittings rated for hydraulic or transmission service and matched to a 1\/2\" inner diameter hose; use clamps or crimp ferrules compatible with the hose wall thickness. Properly seat hose ends, secure clamps evenly, and route away from heat sources and moving parts to maximize service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch fittings and clamps to 1\/2\" ID and SAE specifications\u003c\/li\u003e\n  \u003cli\u003eUse corrosion-resistant clamps or crimp fittings for secure joints\u003c\/li\u003e\n  \u003cli\u003eRoute to avoid sharp edges, exhaust, or suspension contact\u003c\/li\u003e\n  \u003cli\u003eInspect connections regularly for leaks and wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this hose for? Mechanics, restoration builders, and DIY vehicle owners who need a dependable, standards-compliant transmission or hydraulic line will find this Boltigen 1\/2\" cooler hose useful. It’s aimed at anyone needing a durable 5-foot line that resists oil and environmental damage while meeting SAE J1532 quality expectations. If you’re replacing a worn cooler hose, fabricating a custom cooling circuit, or upgrading power steering lines for off-road use, this hose provides a robust, ready-to-install option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose compatible with transmission fluid and power steering fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The hose is designed for transmission fluid, power steering fluids, hydraulic oils, and compatible lubricants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What temperature range can the Boltigen cooler hose withstand?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It tolerates temperatures from -40°F to +302°F, suitable for extreme operating environments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55161569739095,"sku":"B0FFGP6Y4J","price":30.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-transmission-cooler-hose.jpg?v=1790329641"},{"product_id":"boltigen-rv-city-water-inlet-3-4-nh-female-to-1-2-npt-male-lead-free-brass-with-3-black-flange-check-valve","title":"Boltigen RV City Water Inlet — 3\/4\" NH Female to 1\/2\" NPT Male, Lead-Free Brass with 3\" Black Flange \u0026 Check Valve","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's RV City Water Inlet is a lead-free brass, backflow-preventing connector with a 3\/4\" NH (GHT) female to 1\/2\" NPT male thread, a 3\" black flange, and a rubber dust plug for RV, camper, trailer, and marine fresh water connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact inlet replaces or upgrades your RV's city water hookup to provide a durable, corrosion-resistant connection point. Built from lead-free brass with a sturdy plastic flange and supplied with an extra rubber cap, the unit prevents backflow and keeps the external fill port clean when not in use. It fits standard garden-style and city water hose fittings used at campgrounds and marinas and is designed for simple installation and long-term reliability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this inlet stop backflow into my RV fresh water system?\u003c\/h3\u003e\n\u003cp\u003eThe built-in check valve blocks water from flowing backward into your RV plumbing, which helps keep outside water and contaminants from re-entering the onboard fresh water lines. The valve moves automatically when supply pressure is present and seals when pressure is removed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated check valve reduces risk of cross-contamination\u003c\/li\u003e\n  \u003cli\u003eDesigned to operate with typical campground city water pressures\u003c\/li\u003e\n  \u003cli\u003eLead-free brass body avoids corrosion and maintains water safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this inlet fit my hoses and RV plumbing without extra adapters?\u003c\/h3\u003e\n\u003cp\u003eThis inlet provides a 3\/4\" NH (GHT) female threaded face that accepts standard city water and garden-style hose connections, while the rear 1\/2\" NPT male thread connects to common RV plumbing fittings. Many installations will be direct-fit, but check your RV's existing thread size before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" NH\/GHT female for standard hose and city-fill connections\u003c\/li\u003e\n  \u003cli\u003e1\/2\" NPT male thread mates to typical RV water line fittings\u003c\/li\u003e\n  \u003cli\u003eIncludes a 3\" flange for secure mounting in vehicle body panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the Boltigen inlet for outdoor and marine use?\u003c\/h3\u003e\n\u003cp\u003eThe inlet's primary components are selected for long-term exposure and frequent use: the body is made from lead-free brass to resist corrosion, while the black flange is a tough plastic that holds the assembly firmly in place. The rubber dust plug seals the opening when not in use to protect against dirt and insects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free brass resists corrosion and handles pressure swings\u003c\/li\u003e\n  \u003cli\u003eSturdy plastic flange for secure mounting and UV resistance\u003c\/li\u003e\n  \u003cli\u003eExtra rubber dust plug included for replacement and protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic RV plumbing: thread the 1\/2\" NPT male into your water line, secure the flange to the exterior panel, and tighten. Routine upkeep is minimal—inspect the dust cap and valve operation periodically and replace the rubber plug if worn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple threaded connections—no specialized tools required\u003c\/li\u003e\n  \u003cli\u003ePeriodic visual checks and dust cap replacement as needed\u003c\/li\u003e\n  \u003cli\u003eManufactured to test standards and 100% inspected before shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: RV and marine owners who need a reliable, lead-free city water inlet that prevents backflow and keeps the fill port clean. It's ideal for campers, travel trailers, motorhomes, and boat skippers replacing a worn inlet or upgrading to a check-valve-equipped connection. If you value easy installation, corrosion resistance, and a secure mounting flange, Boltigen's inlet is tailored for your fresh water hookup needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this inlet safe for drinking water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The inlet body is made from lead-free brass, suitable for potable water systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace my current inlet without cutting pipes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Often yes—many installs use threaded 1\/2\" NPT fittings. Verify your existing thread type first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55161610142039,"sku":"B09YL5KD1G","price":29.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-facing-city-water-inlet.jpg?v=1790330146"},{"product_id":"boltigen-rv-winterizing-kit-3-way-bypass-valve-with-1-2-npt-barb-adapter-59-kink-resistant-hose","title":"Boltigen RV Winterizing Kit — 3-Way Bypass Valve with 1\/2\" NPT Barb Adapter, 59\" Kink-Resistant Hose","description":"\u003cp\u003e\u003cstrong\u003eBoltigen’s RV Winterizing Kit is a complete antifreeze bypass system that includes a 3-way valve, 59\" flexible hose, brass 1\/2\" barb adapter and installation accessories to simplify seasonal RV plumbing protection.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen temperatures drop, protecting your RV’s potable water lines and fixtures is essential. This kit is designed to let you route non-toxic RV antifreeze through selected lines while bypassing the water heater, using a reliable 1\/2\" NPT valve and a kink-resistant flexible hose. Everything needed for a standard RV bypass hookup is supplied, so you can prepare your camper or motorhome for cold storage with fewer parts to track down.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 3-way bypass valve work for RV winterizing?\u003c\/h3\u003e\n\u003cp\u003eThe three-way valve redirects flow so antifreeze travels only through the plumbing you choose while leaving the water heater isolated. Turning the valve changes the path between normal water supply and bypass mode, making the process faster and reducing antifreeze waste. The included 1\/2\" NPT threading matches many RV plumbing ports for a secure connection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-way valve performs supply, bypass, and closed positions for clear routing.\u003c\/li\u003e\n  \u003cli\u003e1\/2\" NPT threading for common RV plumbing ports.\u003c\/li\u003e\n  \u003cli\u003eBrass 1\/2\" barb fits flexible hose for leak-resistant junctions.\u003c\/li\u003e\n  \u003cli\u003ePTFE tape and sealing ring included for a watertight seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the hose and fittings easier to use than standard parts?\u003c\/h3\u003e\n\u003cp\u003eThe kit’s 59\" flexible hose is engineered to resist flattening and kinks so antifreeze flows evenly during winterization. That flexibility helps reach difficult routing paths inside cabinets and tight spaces without collapsing. Two hose clamps and the brass barb adapter give a secure mechanical connection that holds under pressure during antifreeze circulation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e59\" hose length for extended reach and routing versatility.\u003c\/li\u003e\n  \u003cli\u003eImproved wall construction to reduce kinking and flow restriction.\u003c\/li\u003e\n  \u003cli\u003eTwo stainless hose clamps for firm, vibration-resistant connections.\u003c\/li\u003e\n  \u003cli\u003eBrass barb adapter for durable, corrosion-resistant fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the Boltigen kit in my RV plumbing system?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically involves removing an existing plug or fitting at the water heater bypass port, threading in the 1\/2\" NPT valve, attaching the brass barb and routing the flexible hose into the supply side. Seal the threads with the supplied PTFE tape and use the hose clamps to secure the hose to the barb. Turn the valve to bypass mode and pump antifreeze through faucets and fixtures until the system is protected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWrap PTFE tape supplied on NPT threads before tightening.\u003c\/li\u003e\n  \u003cli\u003eAttach hose to barb and clamp firmly using included clamps.\u003c\/li\u003e\n  \u003cli\u003eSwitch valve to bypass position before circulating antifreeze.\u003c\/li\u003e\n  \u003cli\u003eFollow your RV manufacturer’s winterizing directions for fixture-by-fixture protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this kit be used for routine plumbing maintenance as well as winterizing?\u003c\/h3\u003e\n\u003cp\u003eYes — the bypass valve and hose also help route cleaning solutions or isolate sections of plumbing during repairs. Using a dedicated valve reduces the need to dismantle fittings when you flush lines or replace components. Keep in mind materials compatibility: use only non-corrosive fluids and follow product safety guidance for any cleaning agents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUseful for circulating cleaning solutions or isolating lines for repairs.\u003c\/li\u003e\n  \u003cli\u003eReduces disassembly when accessing valve or fixture assemblies.\u003c\/li\u003e\n  \u003cli\u003eBrass and reinforced hose for repeated seasonal use.\u003c\/li\u003e\n  \u003cli\u003eIncludes basic sealing accessories to simplify interim installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: RV owners, seasonal travelers and service technicians who need a compact, dependable bypass kit to winterize or maintain plumbing in travel trailers, campers and motorhomes. Boltigen’s kit suits DIYers who prefer a single, ready-to-install set of parts that minimizes extra trips to a hardware store and speeds up preparation before cold-weather storage.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my RV water heater ports?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The valve uses a 1\/2\" NPT thread, common on many RVs; verify your port size before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reuse the hose and fittings each season?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the brass adapter and reinforced hose are designed for repeated seasonal use if inspected for wear.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55161696452951,"sku":"B0D9BP4VXD","price":29.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-kit-assembled.jpg?v=1790331466"},{"product_id":"boltigen-rv-water-inlet-check-valve-3-4-nh-to-1-2-npt-lead-free-brass-white-flange","title":"Boltigen RV Water Inlet Check Valve 3\/4\" NH to 1\/2\" NPT - Lead-Free Brass, White Flange","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's RV water inlet replacement is a lead-free brass city water fill flange with a built-in check valve and dust cap designed to stop backflow and keep your RV's fresh water safe.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need a reliable city water connection for an RV, camper or trailer, this inlet flange combines durable materials and a simple design to protect your onboard plumbing. It converts a 3\/4\" NH (GHT) female connection to a 1\/2\" NPT male inlet and includes a molded white flange plus a flexible rubber dust plug. Built from lead-free brass and sturdy plastic components, the unit resists corrosion and daily wear while the internal check valve prevents contaminated water from flowing back into your fresh water lines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this inlet prevent backflow into an RV's fresh water system?\u003c\/h3\u003e\n\n\u003cp\u003eThe built-in check valve opens to allow city water in and closes automatically to block reverse flow, reducing the risk of contaminated water returning to your potable system. It’s a passive mechanical device—no batteries or electrical parts—so it works whenever pressure changes occur at the inlet.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eInternal check valve mechanism stops reverse flow.\u003c\/li\u003e\n  \u003cli\u003eLead-free brass body resists corrosion that can compromise fittings.\u003c\/li\u003e\n  \u003cli\u003eSimple installation avoids modifying existing plumbing layouts.\u003c\/li\u003e\n  \u003cli\u003eRubber dust cap keeps debris out when disconnected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this inlet easy to install and compatible with standard RV hookups?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the inlet is made to fit common RV city water fittings: a 3\/4\" NH (garden hose thread) female face with a 1\/2\" NPT male pipe connection for the interior plumbing. The flange has a 3\" diameter for easy mounting and the easy-grip outer knob offers quick hose attachment and removal.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e3\/4\" NH (GHT) female exterior connection for standard hoses.\u003c\/li\u003e\n  \u003cli\u003e1\/2\" NPT male thread for typical RV plumbing connections.\u003c\/li\u003e\n  \u003cli\u003e3\" white plastic flange designed for straightforward mounting holes spacing.\u003c\/li\u003e\n  \u003cli\u003eErgonomic grip for hand-tightening without tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features does the Boltigen inlet offer?\u003c\/h3\u003e\n\n\u003cp\u003eThe unit combines lead-free brass for the main body with a durable plastic flange and a flexible rubber dust cap, balancing longevity and safety for drinking water systems. Those materials help the inlet withstand pressure changes, temperature swings and regular connection cycles typical in RV use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLead-free brass body for safe potable water compatibility.\u003c\/li\u003e\n  \u003cli\u003ePlastic flange that resists cracking and keeps weight low.\u003c\/li\u003e\n  \u003cli\u003eRubber dust plug to protect the connection from dirt and insects.\u003c\/li\u003e\n  \u003cli\u003eFactory-tested check valve for consistent performance out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect for maintenance and warranty coverage?\u003c\/h3\u003e\n\n\u003cp\u003eMaintenance is minimal: keep the dust cap on when not in use and inspect the check valve occasionally for debris. Boltigen inspects each unit before shipping and offers a refund or replacement if you encounter defects, so you’re covered if the inlet arrives damaged or malfunctions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePeriodic visual checks and cleaning if debris is present.\u003c\/li\u003e\n  \u003cli\u003eReplace the rubber plug if it becomes worn to maintain a dust seal.\u003c\/li\u003e\n  \u003cli\u003e100% inspection at the factory; contact Boltigen for refunds or replacements.\u003c\/li\u003e\n  \u003cli\u003eSimple part replacement if needed—no complex tools required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Boltigen inlet is aimed at RV owners, camper renovators, and marine trailer users who want a straightforward, durable city water connection with backflow protection. It’s ideal for DIY installers and professionals who need standard thread compatibility, a compact 3\" flange, and a corrosion-resistant brass body to maintain a clean, functional freshwater plumbing system on the road.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this inlet fit standard RV city water hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The exterior is a 3\/4\" NH (GHT) female for standard city water hoses and connects to 1\/2\" NPT male plumbing inside the RV.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Boltigen inlet safe for drinking water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The body is made from lead-free brass and the components are intended for potable water systems; follow local codes for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55161852035415,"sku":"B09PB9G78Z","price":29.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-flange-view.jpg?v=1790332953"},{"product_id":"boltigen-rv-fresh-water-inlet-3-4-nh-female-to-1-2-npt-male-brass-with-check-valve-3-flange","title":"Boltigen RV Fresh Water Inlet — 3\/4\" NH Female to 1\/2\" NPT Male Brass with Check Valve, 3\" Flange","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's RV Fresh Water Inlet is a lead-free brass city water fill with a built-in check valve, converting a 3\/4\" NH (GHT) female connection to a 1\/2\" NPT male for secure RV, camper or marine hookups.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement water inlet provides a durable, easy-to-install connection for your RV fresh water system. Designed to accept standard city water hoses, the inlet uses a 3\" diameter universal flange and an ergonomic grip knob so you can attach and remove hoses without tools. Built from lead-free brass and fitted with a backflow-preventing check valve, it focuses on long-term sealing performance and corrosion resistance under regular use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this inlet protect my RV water supply?\u003c\/h3\u003e\n\u003cp\u003eThe integrated check valve is engineered to stop backflow into your vehicle’s freshwater plumbing, helping to keep contaminants out of your tank and lines. Because the housing and threads are brass rather than plastic, the connection maintains a tighter seal and resists wear that can cause leaks or failures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in check valve prevents backflow and potential contamination\u003c\/li\u003e\n  \u003cli\u003eLead-free brass construction resists corrosion and maintains seal integrity\u003c\/li\u003e\n  \u003cli\u003eFlange design fits standard openings to minimize retrofit work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my RV or camper without re-drilling the mounting hole?\u003c\/h3\u003e\n\u003cp\u003eThe inlet uses a 3\" outer flange diameter that is intended as a universal fit for most RV and marine city water ports. In many cases you can remove the old inlet and install this unit directly; no new hole-drilling is required if your existing opening matches standard dimensions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\" flange diameter matches common RV city water inlet openings\u003c\/li\u003e\n  \u003cli\u003e3\/4\" NH (GHT) female thread mates with standard city water hoses\u003c\/li\u003e\n  \u003cli\u003e1\/2\" NPT male thread for reliable plumbing connection behind the flange\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: remove the old inlet, align the new flange, and hand-tighten the threaded connection. The easy-grip knob makes external hose attachment tool-free, but you should use plumbing tape and a wrench to secure the internal 1\/2\" NPT connection to avoid leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-tighten the exterior inlet; use tape and wrench on the internal thread\u003c\/li\u003e\n  \u003cli\u003eEnsure correct angle when threading to prevent cross-threading and leaks\u003c\/li\u003e\n  \u003cli\u003eNo special mounting plate usually required for standard installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the material and durability benefits compared to plastic inlets?\u003c\/h3\u003e\n\u003cp\u003eLead-free brass offers superior mechanical strength and temperature tolerance versus plastic alternatives. It holds threads and sealing surfaces under repeated use, resists UV and chemical degradation, and better withstands the pressure fluctuations typical of city water hookups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free brass resists corrosion, cracking and compression set\u003c\/li\u003e\n  \u003cli\u003eHigher pressure and temperature tolerance than most plastics\u003c\/li\u003e\n  \u003cli\u003eLonger thread life for repeated hose connections and disconnections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Boltigen's RV Fresh Water Inlet is aimed at RV owners, boaters and trailer users who need a reliable replacement city water fill that resists wear and blocks backflow. It's a practical choice for DIY installers who want a straightforward swap with durable materials, fleet managers replacing multiple inlets, and anyone upgrading plastic fittings to brass for longevity and improved sealing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this inlet fit standard RV city water hoses?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The inlet has a 3\/4\" NH (GHT) female thread that mates with standard city water hoses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the material safe for drinking water systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The inlet is made from lead-free brass, suitable for potable water plumbing when installed correctly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55161941131607,"sku":"B0CRYPJ4Z2","price":30.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-flange-view_45bb5802-369d-4b25-9ba1-25079f4fed46.jpg?v=1790333906"},{"product_id":"boltigen-3-8-id-transmission-oil-cooler-hose-5ft-sae-j1532-300-psi-working-cpe-outer","title":"Boltigen 3\/8\" ID Transmission Oil Cooler Hose — 5ft SAE J1532, 300 PSI Working, CPE Outer","description":"\u003cp\u003e\u003cstrong\u003eBoltigen 3\/8\" ID Transmission Oil Cooler Hose is a 5-foot, SAE J1532-compliant cooler line built to handle transmission, power steering, hydraulic and lubricant fluids at up to 300 PSI while resisting heat, oil and abrasion.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis premium transmission oil cooler hose from Boltigen is engineered for reliable fluid transfer between coolers, transmissions and hydraulic components. Built with a polyester braid reinforcement and a chemical-resistant CPE outer cover, the hose balances flexibility and durability across a wide temperature range. It’s sized for a 3\/8\" inner diameter and measures 5 feet long, making it suitable for many automotive repair, retrofit and industrial projects where a dependable oil or hydraulic connection is needed.\u003c\/p\u003e\n\n\u003ch3\u003eHow tough is this hose under pressure and heat?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen cooler hose is rated for a continuous working pressure of 300 PSI and a burst pressure up to 1800 PSI, giving a wide safety margin for demanding conditions. It also performs across extreme temperatures, so it won't fail in cold startups or high-heat environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 300 PSI for routine operation\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: 1800 PSI for emergency tolerance\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -40°F to 302°F (-40°C to 150°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fluids and systems can I use this hose with?\u003c\/h3\u003e\n\u003cp\u003eThis line is compatible with transmission fluid, motor oil, hydraulic fluids, many lubricants and gasoline, making it versatile across vehicles and equipment. It’s primarily designed to connect oil coolers to transmissions, but also fits steering and hydraulic circuits when the specs match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for transmission and power steering systems\u003c\/li\u003e\n  \u003cli\u003eAccepts hydraulic fluids, lubricants and gasoline\u003c\/li\u003e\n  \u003cli\u003eUseful for automotive repairs, industrial machinery and off-road rigs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction ensure long service life?\u003c\/h3\u003e\n\u003cp\u003eBoltigen combines an inner polyester braid for reinforcement with a chemically resistant chlorinated polyethylene (CPE) outer cover to resist oil, ozone and abrasion. The construction preserves flexibility while preventing common wear points, helping the hose maintain integrity under vibration and movement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner reinforcement: polyester braid for strength\u003c\/li\u003e\n  \u003cli\u003eOuter cover: CPE for oil, chemical and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003eManufactured to SAE J1532 standards for transmission cooler hoses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I size and install this cooler hose?\u003c\/h3\u003e\n\u003cp\u003eThe hose has a 3\/8\" (9.5 mm) inner diameter and a 0.67\" (16.5 mm) outer diameter, supplied in a 5-foot length—measure your routing and fit before trimming. Use compatible clamps or crimp fittings rated for SAE J1532 applications and verify torque and sealing procedures to prevent leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 3\/8\" (9.5 mm); outer diameter: 0.67\" (16.5 mm)\u003c\/li\u003e\n  \u003cli\u003eLength: 5 feet; cut to fit and finish with appropriate fittings\u003c\/li\u003e\n  \u003cli\u003eUse clamps\/fittings rated for transmission or hydraulic service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Boltigen’s 3\/8\" transmission oil cooler hose is aimed at mechanics, DIY enthusiasts and fleet or equipment technicians who need a robust, industry-standard cooler line. If you’re replacing a worn cooler hose, retrofitting an aftermarket oil cooler, or building hydraulic lines that require heat and oil resistance, this hose offers a reliable, SAE-compliant option. It’s not intended to replace manufacturer-specific assemblies without confirming fitment and compatibility with your vehicle or machine.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose compatible with automatic transmission fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Boltigen hose is compatible with transmission fluids and meets SAE J1532 requirements for cooler lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I cut the 5-foot hose to a shorter length?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 5ft hose can be trimmed and fitted with appropriate clamps or fittings rated for transmission service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55162262487383,"sku":"B0FFGGC54Y","price":29.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-packed-hose.jpg?v=1790335586"},{"product_id":"boltigen-rv-city-water-inlet-lead-free-brass-3-4-nh-to-1-2-npt-with-check-valve-white-flange-dust-cap","title":"Boltigen RV City Water Inlet Lead-Free Brass 3\/4\" NH to 1\/2\" NPT with Check Valve — White Flange, Dust Cap","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's RV city water inlet is a lead-free brass replacement inlet with a built-in check valve and rubber dust cap that converts 3\/4\" NH (GHT) female to 1\/2\" NPT male for secure fresh-water hookups.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement inlet is designed for RVs, campers, trailers, motorhomes and marine craft that need a durable, corrosion-resistant connection to city water. Crafted from lead-free brass with a white plastic flange and supplied with an extra flexible rubber dust plug, the unit protects your potable water line from backflow, dirt and weather when not in use. It’s sized for the common 3\/4\" NH (GHT) female hose fittings and threads to a 1\/2\" NPT male plumbing connection.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this inlet prevent backflow and contamination?\u003c\/h3\u003e\n\u003cp\u003eThe integrated check valve stops water from flowing back into your vehicle’s fresh-water system, helping reduce the chance that outside contaminants reach your plumbing. The rubber dust cap adds a second layer of protection by keeping the inlet clean when a hose isn’t attached. The design is straightforward and mechanical—no power or electronics are required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in check valve prevents reverse flow and cross-contamination.\u003c\/li\u003e\n  \u003cli\u003eFlexible rubber dust plug seals the inlet against dust and debris.\u003c\/li\u003e\n  \u003cli\u003eLead-free brass body resists corrosion, preserving water quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my RV’s existing city water hose and plumbing?\u003c\/h3\u003e\n\u003cp\u003eThis inlet uses a 3\/4\" NH (GHT) female face for standard RV city hoses and threads into a 1\/2\" NPT male plumbing stub. That combination makes it compatible with most North American RV water lines and common hose fittings. If your vehicle uses a different thread standard, an adapter may be required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" NH (GHT) female inlet accepts standard RV city water hoses.\u003c\/li\u003e\n  \u003cli\u003e1\/2\" NPT male thread matches typical RV plumbing connections.\u003c\/li\u003e\n  \u003cli\u003eIncludes extra spacers to avoid scratching the vehicle finish during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the Boltigen water inlet under outdoor conditions?\u003c\/h3\u003e\n\u003cp\u003eThe main housing is machined from lead-free brass for strength and corrosion resistance, while the flange is molded from rugged plastic to resist impacts and UV exposure. This combination tolerates fluctuating temperatures and high-pressure hookups without easily warping or rusting. The simple mechanical check valve is designed for long-term reliability when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free brass body resists rust and holds up to pressure changes.\u003c\/li\u003e\n  \u003cli\u003eSturdy white plastic flange resists impact and sun damage.\u003c\/li\u003e\n  \u003cli\u003eRubber cap and included spacers add protection and install convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what’s included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is intended to be DIY-friendly: remove the old flange, apply plumbing tape to the new 1\/2\" NPT male threads, and screw the inlet into place. The package includes an extra flexible dust plug plus spacers to prevent surface scratches and help align the flange. Follow proper thread alignment and torque recommendations to ensure the check valve seats correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple screw-in replacement—no special tools beyond common wrenches.\u003c\/li\u003e\n  \u003cli\u003eExtra rubber dust plug and spacers included for a cleaner finish.\u003c\/li\u003e\n  \u003cli\u003eThread with plumbing tape and tighten to avoid leaks; correct flange angle matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boltigen’s RV City Water Inlet with Check Valve is aimed at RV and marine owners who need a safe, corrosion-resistant fresh-water hookup. It’s ideal for people replacing a worn inlet, upgrading to a lead-free solution, or adding a protective check valve to prevent backflow. If you use standard 3\/4\" NH (GHT) city hoses and 1\/2\" NPT plumbing, this inlet offers a practical, durable swap-in part for your fresh-water connection.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this inlet safe for drinking water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The body is made from lead-free brass, suitable for potable water lines when installed properly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace my old inlet myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically yes—remove the old flange, apply plumbing tape to the 1\/2\" NPT threads, and screw in the new inlet using common hand tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55162292863319,"sku":"B0CRYN2XK9","price":29.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-city-water-inlet.jpg?v=1790335862"},{"product_id":"boltigen-r410a-mini-split-adapter-kit-6-piece-5-16in-to-1-4in-sae-brass-straight-45-fittings-gaskets-valve-tool","title":"Boltigen R410A Mini Split Adapter Kit, 6‑Piece 5\/16in to 1\/4in SAE Brass — Straight \u0026 45° Fittings, Gaskets \u0026 Valve Tool","description":"\u003cb\u003eBoltigen R410A Mini Split Adapters are a six-piece brass connector kit that lets HVAC technicians and DIYers safely join R410A mini-split service ports to standard 1\/4\" SAE hoses and refrigerant tanks for charging, evacuation, and service.\u003c\/b\u003e\n\n\u003cp\u003eThis compact kit includes a mix of straight and angled R410A couplers plus R134A tank adapters, sealing accessories, and a valve core tool so you can adapt newer mini-split systems to common service equipment without modifying hoses. Each fitting is machined from corrosion-resistant brass, sized to 5\/16\" SAE female to 1\/4\" SAE male connections for broad compatibility with modern R410A systems. The set’s combination of straight and 45° angled adapters improves access in tight manifolds and behind wall-mounted indoor units.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters help when I’m evacuating or charging a mini-split?\u003c\/h3\u003e\n\u003cp\u003eThe adapters create leak-resistant transitions between the mini-split’s service ports and standard 1\/4\" hoses, allowing you to connect vacuum pumps, manifold gauges, or refrigerant cans securely. Deep knurling on the coupler nuts makes them easier to hand-tighten for a reliable seal without extra tools, and the included gaskets and valve cores reduce the chance of loss during service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConnects 5\/16\" SAE female ports to 1\/4\" SAE male hoses\u003c\/li\u003e\n  \u003cli\u003eCompatible with vacuum pumps, manifolds, and charging cans\u003c\/li\u003e\n  \u003cli\u003eDeep knurling for quick hand-tight sealing\u003c\/li\u003e\n  \u003cli\u003eIncludes replacement gaskets and valve cores for maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich pieces are included and why are angled adapters useful?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies two straight R410A adapters, two 45° angled R410A adapters, two R134A tank adapters, a valve core remover, two hose gaskets, two valve cores, and two thimbles. Angled adapters let you access service ports that sit close to walls, brackets, or piping bundles, so you can attach hoses without bending or stressing lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2× straight R410A adapters for direct connections\u003c\/li\u003e\n  \u003cli\u003e2× 45° angled R410A adapters for tight spaces\u003c\/li\u003e\n  \u003cli\u003e2× R134A tank adapters to adapt refrigerant cans or tanks\u003c\/li\u003e\n  \u003cli\u003eAccessory tools and seals included for immediate use\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these adapters durable and safe for professional use?\u003c\/h3\u003e\n\u003cp\u003eEach fitting is crafted from a brass alloy chosen for corrosion resistance and mechanical strength so they withstand repeated service cycles. The metal resists cracking or bursting under normal HVAC pressures, while machined threads and included seals help maintain tight connections during pump-down and charging operations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass construction for long-term corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eHigh-hardness finish resists deformation under pressure\u003c\/li\u003e\n  \u003cli\u003ePrecision machining ensures consistent thread fit and seal\u003c\/li\u003e\n  \u003cli\u003eDesigned for repeated use in professional service environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these adapters work with my equipment and refrigerants?\u003c\/h3\u003e\n\u003cp\u003eThe primary pair of adapters is configured for R410A mini-split systems using a 5\/16\" SAE female service port and a 1\/4\" SAE male hose. The included R134A tank adapters enable using R134A refrigerant cans or tools where appropriate, but always follow refrigerant compatibility and local regulations when changing refrigerant types or mixing systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits most modern R410A mini-split service ports\u003c\/li\u003e\n  \u003cli\u003eR134A tank adapters allow cross-tool connections when needed\u003c\/li\u003e\n  \u003cli\u003eCheck system specs and legal requirements before charging\u003c\/li\u003e\n  \u003cli\u003eNot a retrofit for system refrigerant conversions\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: HVAC technicians, service contractors, and competent DIYers who regularly work on mini-split air conditioners and want a compact, ready-to-use adapter set. It’s ideal for field service where access is restricted, for maintenance shops stocking multi-refrigerant tools, or for homeowners who perform routine seasonal servicing. The kit provides the common fittings and small accessories needed to connect vacuum pumps, manifolds, and charging equipment to modern mini-split systems quickly and reliably.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can these adapters connect a vacuum pump to an R410A mini-split?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit adapts 5\/16\" SAE female mini-split ports to 1\/4\" SAE hoses for vacuum pumps and gauges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the included tank adapters compatible with R134A cans?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The R134A tank adapters allow connection of common R134A refrigerant cans and service tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55162565263703,"sku":"B09W8VV1DC","price":30.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-r410a-adapters.jpg?v=1790337437"},{"product_id":"boltigen-r134a-to-r1234yf-adapter-kit-high-low-side-quick-couplers-red-blue-brass-six-ball-seal","title":"Boltigen R134a to R1234yf Adapter Kit — High \u0026 Low Side Quick Couplers (Red\/Blue), Brass, Six-Ball Seal","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's R134a to R1234yf Adapter Kit converts high- and low-side service ports so you can connect R134a tools and gauges to vehicles using R1234yf refrigerant safely and reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis adapter set includes color-coded high and low side quick couplers engineered to join 14–17 mm and 13–16 mm fittings used in modern automotive air-conditioning service. Machined from brass with a knurled grip ring and a six-ball sealing design, the couplers offer an auto-close feature and robust sealing to minimize leaks during charging, evacuation, or diagnostic work. The kit is intended to bridge the dimensional differences between R134a and R1234yf service ports so standard R134a tools remain usable on newer systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters let me use R134a gauges on R1234yf systems?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen adapters mechanically adapt the different connector sizes and sealing interfaces used by R134a and R1234yf service ports. They provide a secure quick-coupler connection so you can attach existing R134a hoses and manifold gauges to vehicles built for R1234yf.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes low-side blue coupler and high-side red coupler for clear identification.\u003c\/li\u003e\n  \u003cli\u003eLow side: 14 mm female R1234yf to 13 mm R134a low-pressure quick coupler.\u003c\/li\u003e\n  \u003cli\u003eHigh side: 17 mm female R1234yf to 16 mm R134a high-pressure quick coupler.\u003c\/li\u003e\n  \u003cli\u003eAuto-close mechanism and six-ball sealing reduce refrigerant loss and contamination risk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these adapters durable and leak-resistant?\u003c\/h3\u003e\n\u003cp\u003eYes — the couplers are manufactured from brass and undergo inspection to ensure consistent fit and function. The knurled grip ring improves handling, while the multi-ball seal design and automatic closing valve help maintain a tight connection and limit leakage during service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid brass construction for corrosion resistance and long service life.\u003c\/li\u003e\n  \u003cli\u003eSix sealing balls provide multiple contact points for reliable sealing.\u003c\/li\u003e\n  \u003cli\u003eKnurled grip for easier manual operation with gloves or oily hands.\u003c\/li\u003e\n  \u003cli\u003eAuto-close feature minimizes refrigerant escape when disconnected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich tasks and vehicles can I use the adapter kit for?\u003c\/h3\u003e\n\u003cp\u003eThe adapters are suitable for charging, diagnostic checks, recovery, and evacuation when converting connections between R134a and R1234yf service ports. They are designed for automotive AC systems that adopt R1234yf refrigerant but where the technician prefers to use R134a tools or needs to access existing equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with manifold gauges, charging hoses, vacuum pumps, and recovery machines.\u003c\/li\u003e\n  \u003cli\u003eFits vehicles equipped with R1234yf service ports to accept R134a fittings.\u003c\/li\u003e\n  \u003cli\u003eUseful in workshops and mobile service setups during fleet transitions.\u003c\/li\u003e\n  \u003cli\u003eNot a refrigerant substitute — use only to adapt fittings for proper refrigerant handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Technicians, independent mechanics, and fleet maintenance teams who need a reliable mechanical adapter to connect R134a service tools to R1234yf-equipped vehicles. The Boltigen kit is also practical for garages updating their equipment gradually, rental shops that service mixed-fleet vehicles, and DIYers experienced with automotive AC service who require dependable, leak-minimizing couplers.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this adapter change the refrigerant type?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The adapter only converts connectors; it does not convert refrigerant chemistry. Use correct refrigerant and follow procedures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these couplers compatible with standard R134a gauges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The adapters allow standard R134a hoses and gauges to mate with R1234yf vehicle service ports.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55163216920919,"sku":"B0C5ZYKYP4","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-couplers.jpg?v=1790342192"},{"product_id":"boltigen-r1234yf-to-r134a-90-adapter-kit-red-high-blue-low-brass-dual-o-ring-seal","title":"Boltigen R1234yf to R134a 90° Adapter Kit — Red High \u0026 Blue Low Brass, Dual O-ring Seal","description":"\u003cb\u003eBoltigen 90° R1234yf-to-R134a adapter kit converts R1234yf service ports to accept R134a quick couplers for both high- and low-pressure sides.\u003c\/b\u003e\n\n\u003cp\u003eThis compact kit from Boltigen provides a practical, service-friendly way to adapt R1234yf A\/C service ports so they work with R134a refrigeration tools and gauges. Made from brass with dual O-ring sealing and a valve-core design, the adapters are built for repeatable, hand-friendly connections and minimized leakage risk. The set includes a 90-degree high-side adapter (red), a 90-degree low-side adapter (blue) and a dual-head core remover for faster valve work.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters let me use R134a tools on R1234yf systems?\u003c\/h3\u003e\n\u003cp\u003eThe adapters physically convert the service-port geometry so R134a quick couplers will mate securely to R1234yf fittings. They incorporate a valve core interface that isolates the system while you connect or disconnect tools, helping prevent refrigerant loss during service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits R1234yf vehicle ports and accepts R134a quick couplers\u003c\/li\u003e\n  \u003cli\u003eValve-core design allows tool connection without opening the system\u003c\/li\u003e\n  \u003cli\u003eColor-coded 90° fittings for high (red) and low (blue) sides\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these adapters durable and leak-resistant?\u003c\/h3\u003e\n\u003cp\u003eBoltigen builds the adapters from corrosion-resistant brass and uses a dual O-ring seal plus a sealed valve core to reduce the chance of leaks. The materials and seals are selected for service environments, resisting temperature variations and repeated hookups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid brass body for wear and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eDouble O-ring plus sealed valve core for secure sealing\u003c\/li\u003e\n  \u003cli\u003eKnurled surfaces for reliable hand-tight connections without tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and removal during routine service?\u003c\/h3\u003e\n\u003cp\u003eInstallation and removal are designed to be quick and operable with one hand. The knurled exterior grip speeds manual tightening; the 90° angle helps reach awkward service ports in cramped engine bays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKnurled outer surface for one-handed grip and fast turn\u003c\/li\u003e\n  \u003cli\u003e90° fitting profile improves access in tight locations\u003c\/li\u003e\n  \u003cli\u003eIncludes dual-head valve-core remover for on-the-spot valve work\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and how will it fit my workflow?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains two 90° adapters (high-pressure red and low-pressure blue) and a dual-head valve core remover. Use the adapters as quick couplers for R134a tools or reverse their orientation where compatible to meet various service setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne red 90° high-pressure adapter for R1234yf-to-R134a conversion\u003c\/li\u003e\n  \u003cli\u003eOne blue 90° low-pressure adapter for R1234yf-to-R134a conversion\u003c\/li\u003e\n  \u003cli\u003eDual-head valve-core remover for core replacement and inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Boltigen adapter kit is intended for automotive HVAC technicians, independent repair shops, and do-it-yourself mechanics who need to use R134a gauges or recovery equipment on vehicles with R1234yf service ports. It’s suitable for professionals wanting a compact, durable conversion solution that reduces downtime and simplifies connections during diagnostics, evacuation, or recharge operations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these adapters to attach R134a gauges to R1234yf ports?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit converts R1234yf service ports so R134a quick couplers and gauges can connect securely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the adapters prevent refrigerant leakage during connection?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They reduce leakage risk with dual O-ring seals and a sealed valve-core design, but follow safe service practices.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55163219935575,"sku":"B0C3H62QHD","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packing.jpg?v=1790342214"},{"product_id":"boltigen-fuel-pressure-gauge-0-15-psi-inline-1-8-npt-with-3-8-barb-black-stainless-glycerin-filled-center-back-mount","title":"Boltigen Fuel Pressure Gauge 0–15 PSI Inline, 1\/8\" NPT with 3\/8\" Barb — Black Stainless, Glycerin-Filled Center-Back Mount","description":"\u003cb\u003eBoltigen's inline fuel pressure gauge kit is a stainless-steel, glycerin-filled 0–15 PSI gauge with a 1\/8\" NPT inlet and 3\/8\" barb adapter for straightforward fuel-line monitoring.\u003c\/b\u003e\n\n\u003cp\u003eThis compact kit is built for routine fuel-system checks and tuning tasks where a clear, stable pressure reading matters. The glycerin fill damps needle vibration for readable measurements in vibration-prone environments, while the stainless-steel body resists corrosion from common fuel types. Designed for center-back mount installation, the unit integrates directly into a fuel line using the included 3\/8\" barb adapter and 1\/8\" NPT connection—no specialty fittings required for many setups.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this gauge help me diagnose fuel system issues?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen gauge provides a direct, real-time view of fuel pressure so you can spot drops or spikes that indicate leaks, clogged filters, failing pumps, or regulator problems. Because it reads 0–15 PSI, it suits many low-pressure fuel systems found in small engines, carbureted setups, and some return-style EFI applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShows instantaneous pressure to compare against expected system values\u003c\/li\u003e\n  \u003cli\u003eHelps verify pump output and regulator operation under load\u003c\/li\u003e\n  \u003cli\u003eDetects pressure loss during idle and acceleration cycles\u003c\/li\u003e\n  \u003cli\u003eGlycerin fill stabilizes the needle for accurate troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does installation require and how easy is it?\u003c\/h3\u003e\n\u003cp\u003eInstallation is intended to be simple: you mount the gauge in a center-back orientation and connect it inline using the supplied 3\/8\" barb and the gauge's 1\/8\" NPT thread. Basic hand tools and common fuel-line clamps are usually all that’s needed, though some vehicles may require cutting the line and securing the barb with hose clamps or a short section of fuel hose.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/8\" NPT male thread fits standard gauge ports or adapters\u003c\/li\u003e\n  \u003cli\u003e3\/8\" barb accepts common fuel hose inner diameters\u003c\/li\u003e\n  \u003cli\u003eCenter-back mount gives clear face visibility once installed\u003c\/li\u003e\n  \u003cli\u003eStainless-steel body and included adapter minimize additional parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this gauge withstand vibration and long-term fuel exposure?\u003c\/h3\u003e\n\u003cp\u003eThe gauge’s glycerin-filled movement reduces needle flutter from vibration, producing stable readings in mobile or high-vibration environments. The stainless-steel construction helps resist corrosion and fuel degradation effects, extending service life compared with some lower-grade materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGlycerin reduces internal movement for steady readings\u003c\/li\u003e\n  \u003cli\u003eStainless-steel casing limits corrosion from gasoline and diesel\u003c\/li\u003e\n  \u003cli\u003eSealed design helps prevent fluid ingress and contamination\u003c\/li\u003e\n  \u003cli\u003e0–15 PSI range is well-suited for low-pressure applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the gauge’s specifications and compatibility limits?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen unit measures 0–15 PSI with a 1\/8\" NPT inlet and includes a 3\/8\" fuel-line barb; it’s intended for inline monitoring rather than as a primary control device. It works with many automotive, marine, and industrial low-pressure fuel systems but always confirm port size, hose diameter, and pressure range compatibility for your application before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure range: 0–15 PSI, glycerin-filled movement\u003c\/li\u003e\n  \u003cli\u003eConnection: 1\/8\" NPT inlet with 3\/8\" barb adapter included\u003c\/li\u003e\n  \u003cli\u003eMounting: center-back, inline installation recommended\u003c\/li\u003e\n  \u003cli\u003eMaterial: stainless-steel body for improved durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Boltigen fuel pressure gauge kit is aimed at mechanics, tuners, small-engine technicians, and DIY vehicle or marine owners who need a reliable, easy-to-install inline gauge for low-pressure fuel systems. It’s a practical tool for routine diagnostics, performance tuning, and verifying fuel-system repairs when matched to the correct hose sizes and pressure range.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Boltigen gauge compatible with my vehicle's fuel line?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits systems using 3\/8\" inner-diameter fuel hose and a 1\/8\" NPT port; check your hose size and desired pressure range first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this gauge handle vibration and rough use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the glycerin-filled movement dampens needle flutter and the stainless body resists corrosion for durable use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55163268694359,"sku":"B0FG6TTLHB","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-gauge-front-face.jpg?v=1790342805"},{"product_id":"boltigen-brass-r1234yf-to-r134a-adapter-kit-high-low-pressure-conversion-solid-brass-with-o-ring-seal","title":"Boltigen Brass R1234YF to R134A Adapter Kit — High \u0026 Low Pressure Conversion, Solid Brass with O‑ring Seal","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's brass high \u0026amp; low pressure adapter kit lets you safely connect R1234YF service lines to R134A quick couplers and vice versa, providing a reliable conversion tool for automotive A\/C service.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese compact brass adapters are designed to bridge compatibility between the newer R1234YF refrigerant fittings and the long-established R134A service ports used in many vehicles and workshop gauges. They are not stand-alone fittings for refrigerant charging; instead, they convert one coupling type to another so existing hoses, gauges, and quick couplers can be used without modifying equipment. Built from solid brass with multiple sealing features, they prioritize leak prevention and tactile handling during installation and removal.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters work in a practical service environment?\u003c\/h3\u003e\n\u003cp\u003eThe adapters screw onto the vehicle service port or quick coupler, creating a reversible connection that lets technicians use R134A tools on R1234YF systems or R1234YF tools on R134A ports. They include internal valve cores and lock balls to maintain a sealed connection while attached. Always pair them with the correct quick coupler type and follow safe service procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConverts high- or low-side fittings between R1234YF and R134A.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard R134A quick couplers as an interface.\u003c\/li\u003e\n  \u003cli\u003eIncludes valve core and lock balls to prevent refrigerant escape.\u003c\/li\u003e\n  \u003cli\u003eIntended for use during service—do not charge refrigerant through an adapter left unsecured.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction features help prevent leaks and wear?\u003c\/h3\u003e\n\u003cp\u003eEach adapter is machined from solid brass to resist corrosion and maintain thread integrity under repeated use. They come fitted with green O-rings and five locking balls that create a durable, hermetic seal when mated to compatible couplers. The knurled exterior surface improves grip so installers can tighten or remove the adapter with one hand.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid brass body for strength and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eGreen O-ring for primary sealing against refrigerant escape.\u003c\/li\u003e\n  \u003cli\u003eFive lock balls plus internal valve core for redundant sealing.\u003c\/li\u003e\n  \u003cli\u003eKnurled outer surface for one-handed installation and removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there limitations or precautions I should know?\u003c\/h3\u003e\n\u003cp\u003eThese conversion adapters are tools for connecting mismatched coupling types and cannot replace proper service equipment or be used independently to dispense refrigerant. They must be used in combination with the appropriate quick coupler (for example, an R134A quick coupler when converting to R1234YF). Inspect O-rings for damage before each use and replace if worn to avoid leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot a standalone charging port—requires compatible quick couplers and hoses.\u003c\/li\u003e\n  \u003cli\u003eCheck and replace O-rings periodically to maintain seal integrity.\u003c\/li\u003e\n  \u003cli\u003eFollow safe refrigerant handling and regulatory guidelines during use.\u003c\/li\u003e\n  \u003cli\u003eKeep hand-tight plus a small wrench turn where specified; avoid overtightening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Automotive technicians, mobile A\/C service providers, and DIYers who work across vehicle fleets with mixed refrigerant systems will find this Boltigen adapter kit useful. It suits shops that need a quick, durable way to run existing R134A gauges and hoses on vehicles equipped with R1234YF ports (or vice versa) without investing in new dedicated service hoses. Boltigen backs the kit with a six-month warranty and customer support for fitment questions or defect concerns.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these adapters to charge refrigerant directly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These adapters are conversion tools and must be used with the appropriate quick coupler and service hose for refrigerant charging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the adapters prevent leaks during service?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They include O-rings, five lock balls, and a valve core to minimize leaks, but inspect seals regularly and replace damaged O-rings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55163349205335,"sku":"B0C6G4BRDV","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-adapter-kit.jpg?v=1790343401"},{"product_id":"boltigen-rv-city-water-inlet-with-check-valve-lead-free-brass-3-4-nh-to-1-2-npt-white-flange","title":"Boltigen RV City Water Inlet with Check Valve — Lead-Free Brass 3\/4\" NH to 1\/2\" NPT, White Flange","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's RV City Water Inlet with an integrated check valve is a lead-free brass fresh-water fill connection that converts 3\/4\" NH (GHT) female hoses to a 1\/2\" NPT male fitting while preventing backflow and keeping contaminants out.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a reliable replacement inlet for your RV, trailer, boat, or camper, this durable flange and check-valve assembly lets you hook up to municipal or campground water safely and quickly. Built from lead-free brass with a white metal flange and a flexible rubber dust cap, the unit resists corrosion, handles everyday use, and protects your fresh-water system when not in service.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this inlet stop water from flowing backward into the RV?\u003c\/h3\u003e\n\u003cp\u003eThe integrated check valve is designed to allow incoming water from a city hose while preventing reverse flow that could carry contaminants back into your fresh-water lines. Its mechanical seat closes automatically when pressure drops or hoses are disconnected, helping preserve the internal plumbing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in backflow preventer seals when pressure reverses.\u003c\/li\u003e\n  \u003cli\u003eLead-free brass body withstands water pressure and wear.\u003c\/li\u003e\n  \u003cli\u003eRubber dust cap provides extra protection when idle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this inlet easy to install on my RV or camper?\u003c\/h3\u003e\n\u003cp\u003eYes — the inlet is made for straightforward installation into standard fresh-water systems using the 1\/2\" NPT male thread. The flange offers a secure mounting surface and the extra rubber plug can replace the cap if needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/2\" NPT male thread fits common RV plumbing ports.\u003c\/li\u003e\n  \u003cli\u003eWhite metal flange aligns with typical mounting holes.\u003c\/li\u003e\n  \u003cli\u003eSimple hand-grip connection eases hose attachment and removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect from this replacement inlet?\u003c\/h3\u003e\n\u003cp\u003eBoltigen uses lead-free brass for the water pathway and a metal flange to provide long-term durability and corrosion resistance. The construction tolerates typical campsite water pressures and everyday exposure while minimizing risk of metal leaching into potable water.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free brass keeps drinking water safer than plated alloys.\u003c\/li\u003e\n  \u003cli\u003eMetal flange resists impact and mounting strain.\u003c\/li\u003e\n  \u003cli\u003eFlexible rubber dust plug resists cracking and UV damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich hoses and connections work with this fitting?\u003c\/h3\u003e\n\u003cp\u003eThe inlet accepts standard 3\/4\" NH (GHT) female city water hoses and adapts them to the RV’s 1\/2\" NPT inlet thread. An easy-grip knob on the fitting helps secure hose connections at busy campgrounds or docks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with standard 3\/4\" NH\/GHT city water hoses.\u003c\/li\u003e\n  \u003cli\u003eConverts hose thread to 1\/2\" NPT male for internal plumbing.\u003c\/li\u003e\n  \u003cli\u003eWorks for trailers, RVs, campers, and marine freshwater systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boltigen's RV City Water Inlet with Check Valve is aimed at RV owners, boaters, and trailer owners who want a reliable, corrosion-resistant replacement inlet that simplifies city-water hookups and reduces the risk of backflow. It fits enthusiasts maintaining or upgrading their freshwater systems, DIY installers replacing worn flanges, and fleet operators seeking standardized, lead-free fittings for multiple units.\u003c\/p\u003e\n\n\u003cp\u003eQuality control: each inlet receives a factory inspection before shipping. If you encounter a manufacturing defect or issue, Boltigen offers replacement or refund options when contacted through their customer support channels.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What thread sizes does this RV water inlet use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It converts a 3\/4\" NH (GHT) female hose to a 1\/2\" NPT male inlet for standard RV plumbing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the inlet safe for drinking water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The waterway is made from lead-free brass, reducing risk of metal contamination for potable water use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55164067610967,"sku":"B09BFSXHP6","price":31.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-flange-view_67255ea4-b49c-4c51-9c41-43084b42aa13.jpg?v=1790349645"},{"product_id":"boltigen-r1234yf-to-r134a-adapter-kit-high-low-side-brass-quick-couplers-leak-resistant-conversion","title":"Boltigen R1234yf to R134a Adapter Kit — High \u0026 Low-Side Brass Quick Couplers, Leak-Resistant Conversion","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's R1234yf to R134a adapter kit provides adjustable high- and low-side quick couplers that let technicians connect R134a service tools to R1234yf vehicle systems safely and without refrigerant loss.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for automotive HVAC service, this compact conversion kit converts fittings between R1234yf and R134a standards so you can use existing R134a gauges, hoses, and recovery equipment on vehicles originally manufactured for R1234yf refrigerant. Made from brass with ball-lock and rubber-seal technology, the adapters emphasize secure connections, easy handling, and durability for regular shop use.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters let me use R134a tools on R1234yf systems?\u003c\/h3\u003e\n\u003cp\u003eThe adapters physically adapt thread and coupler sizes so R134a hoses and manifold gauges mate to R1234yf service ports. They maintain line integrity while allowing routine charging, vacuuming, and leak testing with legacy equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-side adapter: 14 mm female R1234yf to 13 mm R134a low-pressure coupler.\u003c\/li\u003e\n  \u003cli\u003eHigh-side adapter: 17 mm female R1234yf to 16 mm R134a high-pressure coupler.\u003c\/li\u003e\n  \u003cli\u003eAutomatic closing ball-lock prevents refrigerant escape when disconnected.\u003c\/li\u003e\n  \u003cli\u003eUse with manifold gauges, recovery machines, and charging hoses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction and sealing features prevent leaks?\u003c\/h3\u003e\n\u003cp\u003eBoltigen builds these couplers from solid brass and fits each with knurled grip rings for positive manual control. A ball-lock mechanism plus rubber seals create a tight barrier at the mating surfaces to reduce the risk of gas escape under normal service conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass body resists corrosion and mechanical wear in shop environments.\u003c\/li\u003e\n  \u003cli\u003eRubber sealing rings provide repeated leak-tight connections.\u003c\/li\u003e\n  \u003cli\u003eBall-lock closure offers automatic shutoff during disconnection.\u003c\/li\u003e\n  \u003cli\u003eKnurled grip improves handling while connecting or removing couplers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these adapters work for diagnostics, recovery, and charging tasks?\u003c\/h3\u003e\n\u003cp\u003eYes — they enable a full range of AC work when paired with appropriate R134a service equipment. Use them for pressure checks, evacuations with a vacuum pump, refrigerant recovery, and controlled charging, taking care to follow refrigerant-specific safety and legal guidelines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with AC manifold gauges for pressure reading and diagnosis.\u003c\/li\u003e\n  \u003cli\u003eSuitable for recovery and evacuation when connected to certified recovery machines.\u003c\/li\u003e\n  \u003cli\u003eSupports measured charging operations with R134a service tools.\u003c\/li\u003e\n  \u003cli\u003eNot a refrigerant conversion — use only to interface equipment types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: this Boltigen adapter kit is aimed at automotive technicians, independent repair shops, fleet maintenance teams, and experienced DIYers who need to interface R134a service equipment with R1234yf-equipped vehicles. It’s intended for professional and informed users who follow safety protocols, refrigerant handling regulations, and correct service procedures rather than as a consumer-level refrigerant-change solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I directly replace refrigerant using these adapters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These adapters let R134a equipment connect to R1234yf fittings; they do not convert refrigerants or change system requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the adapters leak-proof during disconnection?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They use ball-locks and rubber seals for automatic closing, minimizing leaks when disconnecting under normal conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55164226568535,"sku":"B09V575GVH","price":32.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-couplers_b4e61611-1068-4b7a-bf4d-97a84d42463c.jpg?v=1790351620"},{"product_id":"boltigen-r1234yf-to-r134a-adapter-kit-brass-red-blue-high-low-quick-couplers-leak-resistant-seal","title":"Boltigen R1234yf to R134a Adapter Kit — Brass Red \u0026 Blue High\/Low Quick Couplers, Leak-Resistant Seal","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's R1234yf to R134a Adapter Kit converts R134a quick couplers to work with R1234yf service fittings for fast, leak-resistant vehicle and refrigeration connections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSwap between refrigerants and service hoses without buying new gauges or hoses: this conversion set includes a red high-pressure and blue low-pressure quick coupler engineered to adapt R134a fittings for R1234yf use. Built from brass with a ball-latch mechanism and green rubber sealing ring, the adapters give a durable, vehicle-ready interface for charging, testing, and oil injection tasks where R1234yf service ports are present or you need to use R134a tooling.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the adapter kit maintain a secure seal during service?\u003c\/h3\u003e\n\u003cp\u003eThe adapters use a ball-latch coupling plus a molded green rubber seal ring to reduce leaks and ensure tight engagement under pressure. The latch mechanism locks the connection and resists accidental disconnection while the rubber ring provides a compressive seal suited for refrigerant service environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBall-latch design for positive mechanical lock\u003c\/li\u003e\n  \u003cli\u003eGreen rubber seal ring for consistent compression sealing\u003c\/li\u003e\n  \u003cli\u003eBrass body that resists deformation under torque and pressure\u003c\/li\u003e\n  \u003cli\u003eColor-coded red (high) and blue (low) for quick identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use these couplers with my existing gauges and hoses?\u003c\/h3\u003e\n\u003cp\u003eYes — the adapters are intended to let R134a quick couplers interface with R1234yf systems and can be used with R134a hoses, refrigerator recharge hoses, and 3-way manifold gauge sets designed for both refrigerants. They simplify conversions when you need to work across refrigerant types without replacing your entire toolset.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with R134a quick couplers and many manifold gauge setups\u003c\/li\u003e\n  \u003cli\u003eWorks with refrigerator freon recharge hoses and automotive charge hoses\u003c\/li\u003e\n  \u003cli\u003eUseful for AC oil injector connections when adapting hose ends\u003c\/li\u003e\n  \u003cli\u003eIncludes both high- and low-side adapters for complete service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction features improve durability?\u003c\/h3\u003e\n\u003cp\u003eThe adapters are machined from strong brass to resist wear, corrosion, and impact from routine shop use. Brass construction maintains thread integrity and sealing flatness over repeated connections and disconnections, while the internal components are designed to hold up under typical refrigerant service pressures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium brass bodies for long-term strength and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eRobust internal latch and sealing components for repeated cycles\u003c\/li\u003e\n  \u003cli\u003eColor-coded anodized finishes for fast identification in a busy shop\u003c\/li\u003e\n  \u003cli\u003eCompact form factor that fits standard service hose ends and fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and remove these quick couplers safely?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a straightforward push-and-lock motion onto the corresponding service port, and removal is by pressing the latch to release the ball mechanism. Always depressurize the service line and wear appropriate PPE when connecting or disconnecting refrigerant service connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePush adapter onto the service port until latch engages\u003c\/li\u003e\n  \u003cli\u003eVerify color-coded high (red) and low (blue) alignment before charging\u003c\/li\u003e\n  \u003cli\u003ePress latch to disengage and pull adapter straight off for removal\u003c\/li\u003e\n  \u003cli\u003eDepressurize system and use safety eyewear and gloves during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boltigen's R1234yf to R134a Adapter Kit is designed for automotive technicians, HVAC\/R professionals, and DIYers who need to bridge R134a tooling and R1234yf service ports. It's useful for shops working on mixed-fleet vehicles, technicians updating equipment for new refrigerants, and anyone who wants a cost-effective way to adapt hoses and manifolds without buying duplicate tools. These adapters are a practical accessory for routine charging, pressure checks, and oil injection tasks when compatibility between refrigerant couplers is required.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these adapters work with my R134a manifold gauge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit lets R134a quick couplers interface with R1234yf ports and is compatible with many R134a\/R1234yf manifold gauge sets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many adapters are included and which sides do they serve?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set includes two adapters: one red high-pressure coupler and one blue low-pressure coupler for complete service access.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55165832069463,"sku":"B09VGP3N9W","price":35.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-couplers.jpg?v=1790358347"},{"product_id":"boltigen-refrigerator-freon-recharge-hose-kit-r134a-r12-r22-compatible-with-2-bpv31-piercing-valves-self-sealing-adapter-press","title":"Boltigen Refrigerator Freon Recharge Hose Kit - R134a R12 R22 Compatible with 2 BPV31 Piercing Valves, Self-Sealing Adapter, Press","description":"\u003cp\u003e\u003cstrong\u003eBoltigen Refrigerator Freon Recharge Hose Kit is a complete R134a-compatible refill toolset that lets technicians and handy homeowners safely connect, pierce, and top up refrigerant in household refrigerators and small appliances.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit assembles the essential components for on-site refrigerator refrigerant work: two BPV31 bullet piercing tap valves for creating service access on refrigeration lines, a R134a self-sealing adapter to work with puncture-style refrigerant cans, and a pressure gauge-equipped charging hose with a 1\/4\" SAE female port. Components are brass and metal for durability, and the gauge is calibrated to read across common refrigerants including R134a, R12, R22 and R502, making the kit versatile for a range of refrigeration tasks.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I hook this kit up to my refrigerator?\u003c\/h3\u003e\n\u003cp\u003eAttach the 1\/4\" SAE female connector on the charging hose to the appliance service port or to the BPV31 piercing valve fitted to the refrigeration line. If you are using puncture-style refrigerant cans, screw the R134a self-sealing adapter onto the can first, then connect the hose to the adapter before opening the valve.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse BPV31 bullet piercing tap valve on tubing (fits 1\/4\", 5\/16\", 3\/8\" OD).\u003c\/li\u003e\n  \u003cli\u003eConnect hose 1\/4\" SAE female to service port or valve.\u003c\/li\u003e\n  \u003cli\u003eScrew-on R134a self-sealing adapter for puncture cans.\u003c\/li\u003e\n  \u003cli\u003eOpen can\/valve slowly and monitor pressure with gauge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerants and measurements will the gauge read?\u003c\/h3\u003e\n\u003cp\u003eThe included pressure gauge shows readings compatible with several commonly used refrigerants: R134a, R12, R22 and R502. This lets you monitor system pressure during charging and helps avoid overfilling while giving you a reference for usual operating ranges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCalibrated markings for R134a, R12, R22, R502.\u003c\/li\u003e\n  \u003cli\u003eSingle-gauge layout for quick checks during refill.\u003c\/li\u003e\n  \u003cli\u003eDurable metal gauge shell for workshop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do the BPV31 bullet piercing tap valves do and which lines fit them?\u003c\/h3\u003e\n\u003cp\u003eBPV31 piercing valves allow technicians to create a temporary service access on refrigeration tubing without brazing or major disassembly. They are compatible with several outside diameters and replace common valve models, making them a convenient repair or retrofit option.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 1\/4\", 5\/16\", 3\/8\" outside diameter pipes.\u003c\/li\u003e\n  \u003cli\u003eReplaces parts like AP4502525, BPV31D, GPV14, GPV31, GPV38.\u003c\/li\u003e\n  \u003cli\u003eBullet design simplifies puncture and connection steps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and safe are the kit components?\u003c\/h3\u003e\n\u003cp\u003eKey connectors and fittings use solid brass and metal construction to resist wear, handle repeated connections, and maintain a reliable seal. The self-sealing adapter minimizes refrigerant loss when connecting puncture-style cans; however, follow local regulations and safety best practices for refrigerant handling and disposal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass puncture tap, 1\/4\" SAE female port, and metal gauge shell.\u003c\/li\u003e\n  \u003cli\u003eSelf-sealing adapter reduces leakage from puncture cans.\u003c\/li\u003e\n  \u003cli\u003eDesigned for repeated workshop and field use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Boltigen Refrigerator Freon Recharge Hose Kit is built for appliance repair technicians, HVAC trainees, and experienced DIYers who understand refrigerant handling and local compliance requirements. It’s suitable for topping up R134a systems in household refrigerators and similar small appliances, or for creating temporary service access with BPV31 valves. If you are not certified to handle refrigerants in your region, consult a licensed professional before use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit compatible with puncture-style R134a cans?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Use the included R134a self-sealing adapter to attach the charging hose to puncture-type refrigerant cans safely.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the BPV31 valves fit different tube sizes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The BPV31 bullet piercing valves fit 1\/4\", 5\/16\", and 3\/8\" outside diameter refrigeration tubing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55165995024727,"sku":"B09T2BLK17","price":38.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-kit-layout.jpg?v=1790360737"},{"product_id":"boltigen-fuel-pressure-gauge-0-15-psi-inline-kit-black-glycerin-filled-with-1-8-npt-and-3-8-5-16-brass-barbs","title":"Boltigen Fuel Pressure Gauge 0–15 psi Inline Kit — Black glycerin-filled with 1\/8\" NPT and 3\/8\" \u0026 5\/16\" brass barbs","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's inline fuel pressure gauge kit is a glycerin-filled 0–15 psi gauge with 1\/8\" NPT thread and dual 3\/8\" and 5\/16\" brass barb fittings for easy monitoring and installation in automotive, marine, or light industrial fuel systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit gives you a stable, vibration-damped way to check low-range fuel pressure at a glance. The glycerin fill reduces needle flutter for accurate readings in high-vibration environments, and the included brass barbs and clamps let you adapt the gauge to common fuel hose sizes. Constructed from stainless steel and brass components, the kit prioritizes corrosion resistance and long-term durability for harsh under-hood or onboard conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I install the Boltigen fuel pressure gauge?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for someone comfortable with basic fuel-line work. The gauge centers on a back-mount 1\/8\" NPT port; attach the appropriate barb fitting (3\/8\" or 5\/16\") into the gauge, then connect to the fuel hose using the supplied clamps. Always relieve system pressure and work in a well-ventilated area away from ignition sources.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1\/8\" NPT center-back thread accepts included brass barbs\u003c\/li\u003e\n  \u003cli\u003eChoose 3\/8\" or 5\/16\" barb to match hose ID; secure with clamps\u003c\/li\u003e\n  \u003cli\u003eGlycerin fill minimizes needle movement during driving\u003c\/li\u003e\n  \u003cli\u003eRecommended for inline, accessible mounting locations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly does the 0–15 psi range cover and why it matters?\u003c\/h3\u003e\n\u003cp\u003eThe 0–15 psi scale targets low-pressure fuel systems like carbureted engines, return-style fuel rails, and small marine or industrial pumps. That narrow range gives finer graduations and easier interpretation when tuning fuel delivery or diagnosing pressure-related problems. Avoid using this gauge on high-pressure, modern direct injection systems that exceed its range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0–15 psi range suited to carburetors and return-style systems\u003c\/li\u003e\n  \u003cli\u003eLow-range resolution helps detect minor pressure drops or spikes\u003c\/li\u003e\n  \u003cli\u003eNot intended for high-pressure EFI or direct-injection rails\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and features improve longevity and accuracy?\u003c\/h3\u003e\n\u003cp\u003eBoltigen built the gauge with stainless steel and brass components to resist corrosion from fuel and environmental exposure. The glycerin bath stabilizes the needle against vibration and shock, giving steadier readings during operation. Brass barbs and supplied clamps provide leak-resistant connections when installed properly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGlycerin-filled movement reduces needle flutter for consistent readings\u003c\/li\u003e\n  \u003cli\u003eStainless steel housing and brass fittings resist corrosion\u003c\/li\u003e\n  \u003cli\u003eIncluded clamps provide a secure hose-to-barb seal\u003c\/li\u003e\n  \u003cli\u003eCompact, center-back mount design for easy access and visibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boltigen's 0–15 psi inline fuel pressure gauge kit is aimed at DIY mechanics, tuners, and small-boat owners who need an accurate, vibration-resistant gauge for low-pressure fuel systems. It's ideal for diagnosing carburetor fuel delivery, monitoring return-line systems, or adding a reliable pressure readout to performance-tuned vehicles. If you require readings above 15 psi or have a high-pressure direct-injection system, choose a gauge rated for that higher range instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this gauge on a high-pressure EFI rail?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The Boltigen gauge is rated 0–15 psi and is not suitable for high-pressure EFI or direct-injection systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the included fittings compatible with my fuel hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It includes 3\/8\" and 5\/16\" brass barbs and clamps to fit common fuel hose IDs; confirm your hose inside diameter first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55166057611607,"sku":"B0FH6H9MC8","price":36.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-gauge-kit.jpg?v=1790362058"},{"product_id":"boltigen-transmission-oil-cooler-hose-3-8-in-id-10ft-sae-j1532-300-psi-40-f-to-302-f","title":"Boltigen transmission oil cooler hose 3\/8 in ID 10FT — SAE J1532, 300 PSI, -40°F to 302°F","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's 3\/8\" ID transmission oil cooler hose is a 10-foot, SAE J1532–rated line built to carry transmission, hydraulic, and lubricant fluids reliably under high temperature and pressure.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty cooler hose combines a reinforced polyester braid with a durable CPE outer cover to deliver consistent fluid transfer and protection in automotive and industrial installations. It is engineered for 300 PSI working pressure, 1800 PSI burst strength, and an operating temperature range from -40°F to +302°F, making it suitable for transmission cooling, power steering, and hydraulic systems where resistance to oil, abrasion, and weathering matters.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose stand up to temperature and pressure extremes?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen cooler hose tolerates wide temperature swings and maintains structural integrity under repeated pressure cycles. Designed and tested to SAE J1532 standards, it balances flexibility with reinforcement so it won’t collapse, kink, or leak under normal service conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e300 PSI rated working pressure for sustained service.\u003c\/li\u003e\n  \u003cli\u003e1800 PSI burst pressure for safety margin against surges.\u003c\/li\u003e\n  \u003cli\u003eTemperature range from -40°F to +302°F for hot engine bays and cold climates.\u003c\/li\u003e\n  \u003cli\u003eReinforced polyester braid prevents collapse under vacuum or bend.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fluids and applications is this hose suited for?\u003c\/h3\u003e\n\u003cp\u003eThis 3\/8\" ID line is formulated to carry transmission fluid, power steering fluid, hydraulic oil, lubricants, and gasoline in many vehicles and machines. It’s often used as a transmission cooler line, return hose, or for retrofit and repair projects on cars, trucks, ATVs, and industrial equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with transmission fluid and ATF-type oils.\u003c\/li\u003e\n  \u003cli\u003eSuitable for power steering and hydraulic system connections.\u003c\/li\u003e\n  \u003cli\u003eAccepts light gasoline and common lubricants for specific installations.\u003c\/li\u003e\n  \u003cli\u003eCommon in automotive, off-road, and light industrial uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and what sizes or measurements matter?\u003c\/h3\u003e\n\u003cp\u003eThe hose is supplied as a continuous 10-foot length with a nominal inner diameter of 3\/8\" (9.5 mm) and outer diameter of 0.67\" (16.5 mm). Its flexibility lets you route it through tight engine bays, and standard fittings and clamps designed for 3\/8\" ID hose work well for secure connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 3\/8\" (9.5 mm) — standard for many cooler lines.\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: 0.67\" (16.5 mm) for correct clamp fit and protective covers.\u003c\/li\u003e\n  \u003cli\u003e10-foot length allows cutting to fit custom runs without joints.\u003c\/li\u003e\n  \u003cli\u003eUse SAE-rated hose clamps and crimp or reusable fittings for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction features protect the hose from wear and leaks?\u003c\/h3\u003e\n\u003cp\u003eBoltigen combines a strong inner polyester braid with a chemically resistant CPE outer cover to resist abrasion, oil exposure, ozone, and weathering. That construction reduces service failures and extends hose life where it sees vibration, rubbing, or frequent temperature cycling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePolyester braid reinforcement for internal pressure support and kink resistance.\u003c\/li\u003e\n  \u003cli\u003eCPE outer layer resists oil, chemicals, and environmental degradation.\u003c\/li\u003e\n  \u003cli\u003eEngineered to SAE J1532 for consistent quality and interchangeability.\u003c\/li\u003e\n  \u003cli\u003eSmooth bore promotes steady fluid flow and easier cleaning when needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this hose for? Boltigen's 3\/8\" ID transmission oil cooler hose is aimed at mechanics, fleet technicians, and hands-on vehicle owners who need a rugged replacement or upgrade line for cooling and hydraulic circuits. It’s especially useful for those working on transmission cooler connections, power steering retrofits, or hydraulic repairs in cars, trucks, off-road machines, and light industrial equipment who require a measured, SAE-grade hose with wide temperature tolerance and strong burst margins.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose compatible with power steering fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Boltigen 3\/8\" ID hose is suitable for power steering fluids and hydraulic oils within its temperature and pressure ratings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I cut the 10-foot hose to length and clamp it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Absolutely. The 10ft length is designed to be cut to size; use proper SAE-rated clamps or fittings for secure, leak-free connections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55166661755223,"sku":"B0FFGPH1ZF","price":38.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-hose-front-packaging.jpg?v=1790369655"},{"product_id":"boltigen-rv-winterizing-kit-with-0-60-psi-gauge-17-blowout-hose-brass-fittings-shut-off-valve","title":"Boltigen RV Winterizing Kit with 0–60 PSI Gauge — 17\" Blowout Hose, Brass Fittings \u0026 Shut-Off Valve","description":"\u003cstrong\u003eBoltigen RV Winterizing Kit is a compact blowout hose assembly with a removable 0–60 psi oil pressure gauge and mini shut-off valve that lets you safely purge water from RV, boat, and irrigation lines before freezing weather.\u003c\/strong\u003e\n\nWinterizing an RV, camper, boat or sprinkler system doesn’t need to be complicated. The Boltigen kit connects to your air compressor and replaces antifreeze or lengthy disassembly by forcing air through supply lines to remove standing water. Built from brass fittings, flexible rubber hose and a clear pressure gauge, it’s designed to be durable yet simple to use for seasonal maintenance.\n\n\u003ch3\u003eHow does this kit protect pipes and fittings in freezing conditions?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen system uses compressed air to clear water from plumbing and sprinkler lines so frozen water cannot expand and crack pipes or fixtures. Because you can monitor pressure with the included gauge and control flow with the mini valve, you avoid over-pressurizing delicate components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves water quickly using compressor blowout instead of relying on antifreeze.\u003c\/li\u003e\n  \u003cli\u003e0–60 psi oil gauge lets you watch build-up and avoid exceeding line limits.\u003c\/li\u003e\n  \u003cli\u003eMini shut-off valve allows gradual pressure increase for fragile fixtures.\u003c\/li\u003e\n  \u003cli\u003eBrass and rubber construction resists cold and repeated seasonal use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat connections and size options come with the Boltigen blowout hose?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen hose is 17 inches (43 cm) long and offers common thread options for easy attachment to most RV and garden systems. One end features a removable 1\/4\" quick-disconnect plug for compressor couplers while the other end has a 3\/4\" GHT male connector plus an included 3\/4\" GHT female-to-female adapter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e17\" flexible hose gives reach without excess bulk.\u003c\/li\u003e\n  \u003cli\u003e1\/4\" quick plug fits standard compressor fittings for fast hookup.\u003c\/li\u003e\n  \u003cli\u003e3\/4\" GHT male connector and adapter for hose bibs and RV inlets.\u003c\/li\u003e\n  \u003cli\u003eRemovable gauge and valve let you swap or store parts separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to use the gauge and control valve during winterizing?\u003c\/h3\u003e\n\u003cp\u003eOperation is straightforward: attach to your compressor, connect the GHT to the water inlet or irrigation line, then open the mini valve and watch the oil-filled 0–60 psi gauge. The oil-filled gauge gives a stable reading in cold environments and the control valve permits fine-tuning so you can keep pressure in a safe range while clearing lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOil-filled gauge reduces needle flutter for readable pressure in cold weather.\u003c\/li\u003e\n  \u003cli\u003eMini valve delivers precise airflow control to protect fixtures and seals.\u003c\/li\u003e\n  \u003cli\u003eQuick-disconnect lets you swap compressors or stow the hose quickly.\u003c\/li\u003e\n  \u003cli\u003eVisible gauge helps confirm when lines are cleared and winter-ready.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit work beyond RVs—what other uses are suitable?\u003c\/h3\u003e\n\u003cp\u003eYes. The Boltigen kit is adaptable for many outdoor plumbing jobs: sprinkler blowouts, garden hose winterization, boat plumbing, travel trailers, and other seasonal systems that need water removed before freeze cycles. Its sturdy construction stands up to repeated use across different applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for RVs, campers, motorhomes, boats, and travel trailers.\u003c\/li\u003e\n  \u003cli\u003eSuits sprinkler and irrigation systems for whole-yard winterizing.\u003c\/li\u003e\n  \u003cli\u003eWorks with outdoor faucets and garden hoses using the GHT adapter.\u003c\/li\u003e\n  \u003cli\u003eDurable materials handle cold and rough field conditions repeatedly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for:\nThe Boltigen RV Winterizing Kit is aimed at owners and service technicians who want a fast, reliable way to purge water from plumbing and irrigation lines before freezing weather. It’s a practical choice for RV and boat owners, property managers, landscapers, and DIYers who prefer a reusable, gauge-monitored blowout solution over single-use antifreeze. If you need a compact, rugged hose assembly with clear pressure feedback and controlled airflow, this kit fits seasonal maintenance, winter prep, and occasional field use.\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use my air compressor to winterize with this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit connects to standard compressors via a 1\/4\" quick plug; monitor the included 0–60 psi gauge and keep pressure within safe limits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the pressure gauge removable for storage or replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The oil-filled 0–60 psi gauge is removable so you can replace or stow it separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55166804099415,"sku":"B0DDKK3W9Y","price":39.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-and-kit.jpg?v=1790371615"},{"product_id":"boltigen-r1234yf-to-r134a-adapter-kit-brass-quick-couplers-high-low-side-conversion-with-auto-closing-valves","title":"Boltigen R1234YF to R134a Adapter Kit — Brass Quick Couplers, High \u0026 Low Side Conversion with Auto-Closing Valves","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's R1234YF Quick Coupler kit converts R1234yf vehicle service ports to accept standard R134a charging hoses for high- and low-side AC work.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis two-piece adapter set provides a practical bridge between newer R1234yf fittings and legacy R134a service equipment. Machined from brass with knurled grips and rubber seals, the adapters let technicians, DIYers, and HVAC professionals connect R-134a hoses, manifolds, or gauges to R1234yf systems for charging, testing, recovery, or evacuation. Each coupling auto-closes when disconnected to reduce refrigerant loss and improve on-bench convenience.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters work with my existing R134a tools?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen couplers thread onto R134a hoses\/manifolds and snap onto R1234yf vehicle service ports, creating a sealed interface so standard R134a equipment can be used. They use a ball-lock mechanism and internal rubber seals to achieve a tight connection with automatic shutoff when released.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-side adapter fits 17 mm female R1234yf ports and accepts 1\/4\" SAE male hose fittings.\u003c\/li\u003e\n  \u003cli\u003eLow-side adapter fits 14 mm female R1234yf ports and accepts 1\/4\" SAE male hose fittings.\u003c\/li\u003e\n  \u003cli\u003eBrass construction for corrosion resistance and durable seating surfaces.\u003c\/li\u003e\n  \u003cli\u003eAutomatic closing valves reduce refrigerant escape during disconnection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these adapters durable and leak-resistant?\u003c\/h3\u003e\n\u003cp\u003eBuilt from solid brass with precision-machined surfaces, the couplers are engineered for repeated use in workshop environments. A combination of ball-lock hardware and molded rubber sealing rings minimizes leaks and maintains pressure integrity under normal service conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass body resists wear and common workshop corrosion.\u003c\/li\u003e\n  \u003cli\u003eRubber seals provide a gas-tight interface for charging and diagnostics.\u003c\/li\u003e\n  \u003cli\u003eKnurled grip rings help with secure handling while wearing gloves.\u003c\/li\u003e\n  \u003cli\u003eAutomatic internal valve prevents accidental discharge on removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and tasks is this kit suitable for?\u003c\/h3\u003e\n\u003cp\u003eThese adapters are designed for use on automotive AC systems that use R1234yf refrigerant and need to be serviced with R134a-compatible tools. They are suitable for charging, refrigerant recovery, evacuation, pressure testing, and manifold gauge diagnostics when a direct R1234yf hose is not available.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with R1234yf-equipped passenger cars and light trucks.\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard 1\/4\" SAE service hoses and gauges.\u003c\/li\u003e\n  \u003cli\u003eGood for occasional DIY service or professional shop use.\u003c\/li\u003e\n  \u003cli\u003eNot a replacement for dedicated R1234yf-certified service equipment in regulated environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, independent mechanics, and informed DIYers who need a reliable way to use existing R134a charging tools on R1234yf systems will find this Boltigen adapter kit useful. It provides a practical, durable bridge for tasks like charging, leak checks, and manifold diagnostics while minimizing refrigerant loss during connections and disconnections. If you regularly service mixed fleets or want a backup option without retooling your entire charging setup, this adapter set delivers a straightforward solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these adapters let me charge R1234yf systems with my R134a equipment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they adapt R1234yf service ports to accept 1\/4\" SAE R134a hoses for charging, testing, and recovery while the automatic valve minimizes refrigerant loss.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these safe to use for every professional service?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They are durable and leak-resistant, but for regulated R1234yf servicing follow local rules and consider dedicated R1234yf-certified tools for extensive or commercial use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55166954471767,"sku":"B09V5987HM","price":35.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-couplers.jpg?v=1790373174"},{"product_id":"boltigen-r1234yf-to-r134a-adapter-kit-brass-high-low-conversion-adapters-with-sealing-o-rings","title":"Boltigen R1234yf to R134a Adapter Kit — Brass High\/Low Conversion Adapters with Sealing O-Rings","description":"\u003cstrong\u003eBoltigen’s R1234yf to R134a Adapter Kit converts between R1234yf and R134a vehicle air-conditioning couplers for fast, leak-resistant service.\u003c\/strong\u003e\n\n\u003cp\u003eThis adapter kit includes high- and low-side quick couplers and adjustable fittings engineered to let technicians and DIYers work across both R1234yf and R134a automotive refrigerant systems. Made from solid brass with dedicated sealing balls and green O-rings, the components are built to resist wear, provide a tight connection, and pair with common manifold gauges and hose assemblies.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter kit let me use R1234yf tools with R134a systems?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains color-coded red and blue adapters for both high- and low-pressure service ports. You can attach R1234yf-rated hoses and gauges to R134a service ports securely by using the included conversion couplers and adjustable fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRed and blue high\/low adapters for correct port matching\u003c\/li\u003e\n  \u003cli\u003eAdapters thread to standard quick coupler interfaces\u003c\/li\u003e\n  \u003cli\u003eCompatible with 3-way R1234yf\/R134a manifold gauge sets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre the seals and connections reliable for repeated use?\u003c\/h3\u003e\n\u003cp\u003eSealing performance is addressed with green O-rings and integrated sealing balls that compress under coupling to minimize leaks. The brass construction resists deformation, so threaded and push-on connections remain consistent after multiple uses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGreen sealing rings prevent refrigerant loss at connections\u003c\/li\u003e\n  \u003cli\u003eInternal sealing balls enhance pressure integrity\u003c\/li\u003e\n  \u003cli\u003eDurable brass body reduces wear from repeated attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and service tools will this kit work with?\u003c\/h3\u003e\n\u003cp\u003eThis adapter set is intended for automotive A\/C service where either R134a or R1234yf refrigerants are present. It pairs with standard R134a quick couplers, R1234yf hoses, and many 3-way manifold gauges to make cross-system servicing practical.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits R134a quick couplers and R1234yf hose fittings\u003c\/li\u003e\n  \u003cli\u003eSupports high- and low-pressure service ports on cars and light trucks\u003c\/li\u003e\n  \u003cli\u003eWorks with common manifold gauge sets for mixed-system service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build features affect longevity and safety?\u003c\/h3\u003e\n\u003cp\u003eCritical parts are manufactured from solid brass to resist corrosion and stripping that can occur with softer metals. The kit’s design focuses on mechanical strength and reliable seals rather than temporary plastic fittings, improving both safety and service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid brass bodies for strength and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eThreaded fittings for secure mechanical engagement\u003c\/li\u003e\n  \u003cli\u003eReplaceable O-rings and service-friendly construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: The Boltigen R1234yf to R134a Adapter Kit suits professional A\/C technicians, independent repair shops, and experienced DIYers who need to service or diagnose vehicle air-conditioning systems that use either refrigerant. If you frequently switch between R1234yf and R134a equipment or need to adapt toolsets for older and newer vehicles, this kit simplifies connections while prioritizing durable sealing and material strength. Avoid using adapters as a permanent refrigerant conversion solution—this kit is intended for service, testing, and temporary hose\/gauge compatibility rather than altering a vehicle’s charged refrigerant type.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these adapters to permanently convert an R134a system to R1234yf?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These adapters enable temporary tool compatibility and service work; they are not a substitute for a proper refrigerant conversion procedure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the adapters fit my car's factory service ports?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is designed to work with standard automotive R134a and R1234yf service ports and common quick-coupler types.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55167431934295,"sku":"B0C2H7C6JW","price":46.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-adapter-kit.jpg?v=1790386464"},{"product_id":"boltigen-r134a-to-r1234yf-quick-coupler-kit-color-coded-high-low-adapters-brass-ball-lock","title":"Boltigen R134a to R1234yf Quick Coupler Kit — Color-Coded High\/Low Adapters, Brass Ball-Lock","description":"\u003cp\u003e\u003cstrong\u003eBoltigen’s quick coupler kit converts R134a service hoses to R1234yf systems, giving a fast, leak-resistant connection for automotive A\/C charging and diagnostics.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Boltigen adapter kit includes color-coded high and low couplers plus SAE-compatible fittings so technicians and DIYers can link modern R1234yf service ports to existing R134a gauge hoses. Built from brass, aluminum and steel, the set balances corrosion resistance and durability for routine garage use. The ball-lock mechanism and rubber sealing elements minimize refrigerant loss during connection and disconnection.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these adapters connect older R134a hoses to newer R1234yf ports?\u003c\/h3\u003e\n\u003cp\u003eThe kit provides two quick couplers sized for each service side and matching SAE male\/female fittings to bridge the two refrigerant standards. Attach the adapter to the vehicle port, then engage your existing hose or manifold—an automatic internal valve opens when fully seated. Disconnecting closes the valve quickly to limit refrigerant venting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes low-side and high-side color-coded couplers for correct port matching\u003c\/li\u003e\n  \u003cli\u003e1\/4\" SAE male\/female compatibility for common charging hoses and gauges\u003c\/li\u003e\n  \u003cli\u003eBall-lock design with automatic closing to reduce leakage during swap-out\u003c\/li\u003e\n  \u003cli\u003eThread sizes labeled for fast assembly and error avoidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and sealing features prevent refrigerant loss?\u003c\/h3\u003e\n\u003cp\u003eBoltigen uses metal alloys engineered for workshop conditions and a molded rubber seal to secure the mating surfaces. The six-ball locking arrangement on the couplers holds the connection firmly and helps maintain pressure integrity under load. These mechanical choices work together to reduce accidental release and extend component life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMulti-ball internal lock for strong, consistent retention\u003c\/li\u003e\n  \u003cli\u003eRubber sealing element that resists common refrigerant oils\u003c\/li\u003e\n  \u003cli\u003eBrass and steel contact points for corrosion and wear resistance\u003c\/li\u003e\n  \u003cli\u003eAutomatic shut-off valve when coupler is removed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this with professional manifold gauges and recharge equipment?\u003c\/h3\u003e\n\u003cp\u003eYes — the adapter set was designed to integrate with standard manifold gauges and charging hoses, whether you're performing a simple recharge or more advanced diagnostic work. The 1\/4\" SAE interfaces are industry-standard, letting you retain existing tools while servicing R1234yf systems. Always follow safe handling and local regulations for refrigerant service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with common 1\/4\" SAE manifold and charging lines\u003c\/li\u003e\n  \u003cli\u003eColor coding (red\/blue) reduces connection mistakes during busy work\u003c\/li\u003e\n  \u003cli\u003eThreaded adapter pieces let you assemble the right configuration quickly\u003c\/li\u003e\n  \u003cli\u003eCompact size fits crowded engine bays for easier access\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Boltigen R134a to R1234yf quick coupler kit is aimed at mechanics, A\/C service technicians and well-equipped DIYers who need a reliable, portable solution to adapt older R134a charging hoses for use on vehicles with R1234yf refrigerant. It’s useful for shops that want to avoid replacing an entire hose set immediately, fleets that service mixed refrigerant vehicles, and anyone who requires a durable, leak-minimizing adapter to perform routine A\/C service and testing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my existing 1\/4\" SAE charging hose?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The adapters are designed for standard 1\/4\" SAE male\/female fittings and will mate with common hoses and gauges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit prevent refrigerant from escaping during disconnection?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The ball-lock design with an automatic closing valve and rubber seal greatly reduces refrigerant loss when disconnected.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55167488491863,"sku":"B09Y3BQV68","price":46.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-quick-coupler-kit-front.jpg?v=1790387484"},{"product_id":"boltigen-rv-winterizing-kit-with-pressure-gauge-control-valve-upgraded-0-80-psi-60-reinforced-hose","title":"Boltigen RV Winterizing Kit with Pressure Gauge \u0026 Control Valve — Upgraded 0–80 psi, 60\" Reinforced Hose","description":"\u003cp\u003e\u003cstrong\u003eBoltigen Upgraded RV Winterizing Kit with Pressure Gauge \u0026amp; Control Valve is a complete blowout set that lets you purge and protect RV, boat, and outdoor plumbing lines from freezing using measured air pressure.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen temperatures drop, trapped water in hoses and onboard plumbing can freeze, expand and cause costly damage. This Boltigen kit pairs a clear 0–80 psi analog pressure gauge with a shut-off control valve, brass adapters, washers and a 60-inch reinforced hose so you can safely and precisely blow out water lines with an air compressor instead of relying on toxic antifreeze.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the pressure gauge and shut-off valve help during winterizing?\u003c\/h3\u003e\n\u003cp\u003eThe integrated pressure gauge lets you monitor air pressure in real time so you don’t over-pressurize fittings while clearing water. The shut-off valve provides a quick way to start and stop airflow without disconnecting tools or losing pressure readings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0–80 psi brass-cased gauge for readable, reliable pressure checks\u003c\/li\u003e\n  \u003cli\u003eInline shut-off valve for controlled bursts and safe stops\u003c\/li\u003e\n  \u003cli\u003ePrevents over-pressurizing sensitive RV plumbing components\u003c\/li\u003e\n  \u003cli\u003eClear visual feedback reduces guesswork versus manual blowout\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat connectors and hose fittings are included, and what do they fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a 3\/4\" GHT-compatible connector set that fits standard garden hose and many RV water inlets. Two seal washers and a female-to-female adapter expand compatibility so you can link to most campground spigots, hose threads and onboard fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" GHT male\/female compatibility for common RV and garden hose connections\u003c\/li\u003e\n  \u003cli\u003eFemale-to-female adapter to bridge different thread orientations\u003c\/li\u003e\n  \u003cli\u003eTwo replacement seal washers to ensure leak-free seals\u003c\/li\u003e\n  \u003cli\u003eThread sealing tape included for tight, pressure-safe joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and safe is the Boltigen winterizing kit for repeated seasonal use?\u003c\/h3\u003e\n\u003cp\u003eAll wet-contact metal components are brass or zinc-alloy to resist corrosion and maintain thread integrity over many seasons. The hose is reinforced synthetic rubber designed to flex in cold conditions without cracking or kinking, and the gauge uses a metal case to protect its internals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-quality brass adapters with frosted finish resist corrosion\u003c\/li\u003e\n  \u003cli\u003eZinc-alloy shut-off valve built for frequent operation\u003c\/li\u003e\n  \u003cli\u003eReinforced synthetic rubber 60\" hose for cold-weather flexibility\u003c\/li\u003e\n  \u003cli\u003eMetal-cased gauge offers impact protection and clear readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat can I winterize with this kit besides an RV?\u003c\/h3\u003e\n\u003cp\u003eBeyond travel trailers, the kit works for boats, garden sprinkler lines, outdoor faucets and many campground or marine plumbing systems. Its thread standards and included adapters make it a practical tool for most outdoor water systems you want cleared before freezing weather.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoat on-board plumbing and bilge systems\u003c\/li\u003e\n  \u003cli\u003eIn-ground or above-ground sprinkler zones and valves\u003c\/li\u003e\n  \u003cli\u003eOutdoor faucets, garden hoses and washdown lines\u003c\/li\u003e\n  \u003cli\u003eSeasonal maintenance for cabins, sheds and portable toilets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boltigen's upgraded RV winterizing kit is designed for RV owners, boaters, campground operators and homeowners who prefer a mechanical, antifreeze-free winterization method. It's well suited to DIYers who want measurable control during blowouts, maintenance pros who need durable hardware for repeated seasonal use, and anyone aiming to protect plumbing without chemicals.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this kit with a standard air compressor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is designed for use with most household or shop air compressors; monitor the gauge and keep pressure below recommended limits for your plumbing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this replace antifreeze for winterization?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit offers a mechanical blowout alternative to antifreeze but does not chemically treat lines; choose the method best for your system and local codes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55167738020183,"sku":"B0CHDSBQ3D","price":46.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-and-components.jpg?v=1790392335"},{"product_id":"boltigen-rv-winterizing-blowout-hose-59-with-0-60psi-gauge-shut-off-valve-brass-fittings-3-4-ght","title":"Boltigen RV Winterizing Blowout Hose 59\" with 0–60psi Gauge \u0026 Shut-Off Valve — Brass Fittings, 3\/4\" GHT","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's 59-inch RV winterizing hose is a complete blowout kit with a 0–60psi pressure gauge and shut-off valve that lets you purge waterlines safely and precisely before winter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen temperatures drop, trapped water in RVs, boats, and outdoor plumbing can freeze and damage pipes, fittings, and appliances. This Boltigen kit provides a mechanical alternative to pouring antifreeze through systems: attach to an air source, monitor pressure on the integrated gauge, and control airflow with the shut-off valve to clear lines quickly and efficiently. The kit combines brass fittings, reinforced synthetic rubber hose, and user-friendly connections to fit common 3\/4\" GHT hookups.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the pressure gauge help me winterize my RV?\u003c\/h3\u003e\n\u003cp\u003eThe built-in 0–60psi pressure gauge gives a clear, immediate reading of the air pressure used during the blowout, so you avoid over-pressurizing plumbing components. A reliable gauge helps maintain safe pressure ranges and confirms that air is flowing through each line as you work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClear metal-cased gauge for easy outdoor visibility.\u003c\/li\u003e\n  \u003cli\u003e60psi max range tailored for RV and boat plumbing safety.\u003c\/li\u003e\n  \u003cli\u003eAllows stepwise pressure increases to protect fittings and water heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat connections and parts come in the Boltigen winterizing kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit arrives ready to use: you get a 59\" reinforced hose, a female-to-female adapter, seal washers, and a roll of thread-sealing tape. Each metal component is corrosion-resistant brass or zinc alloy to withstand repeated seasonal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e59-inch flexible, reinforced synthetic rubber hose for reach and durability.\u003c\/li\u003e\n  \u003cli\u003eBrass adapters and fittings with frosted finish for grip and longevity.\u003c\/li\u003e\n  \u003cli\u003eTwo seal washers and thread tape included for leak-free connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to attach and operate with my compressor or garden hose?\u003c\/h3\u003e\n\u003cp\u003eConnections are standard 3\/4\" GHT thread sizes so the hose couples to most RV spigots, compressors, and garden hoses without special tools. The integrated shut-off valve lets you start and stop airflow precisely, while the gauge ensures you work within recommended pressures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" GHT male and female compatibility for broad equipment fit.\u003c\/li\u003e\n  \u003cli\u003eShut-off valve for controlled, one-handed operation during blowouts.\u003c\/li\u003e\n  \u003cli\u003eLightweight hose length provides reach to hard-to-access service panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features protect this kit season after season?\u003c\/h3\u003e\n\u003cp\u003eBoltigen constructed the kit from rugged components chosen for outdoor use: brass fittings resist corrosion, a zinc-alloy valve resists wear, and the reinforced rubber hose tolerates cold and repeated flexing. These materials reduce the chance of leaks and failures when you're preparing your vehicle or boat for storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass adapters with durable finishes for long-lasting connections.\u003c\/li\u003e\n  \u003cli\u003eZinc-alloy shut-off valve built for frequent seasonal operation.\u003c\/li\u003e\n  \u003cli\u003eReinforced synthetic rubber hose resists cracking in cold weather.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners of RVs, travel trailers, motorhomes, boats, and seasonal outdoor plumbing who prefer a mechanical blowout method over chemical antifreeze. This kit is suited to DIYers and professional techs who need a portable, easy-to-read solution to clear waterlines and protect plumbing components during cold months. It’s useful for anyone who wants standard-thread compatibility, clear pressure feedback, and durable materials in a winterizing kit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this kit with any standard air compressor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit fits standard 3\/4\" GHT connections and works with most compressors that can be regulated to under 60psi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed to winterize my RV?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It includes the 59\" hose, gauge, valve, adapter, seal washers, and thread tape; no antifreeze required for blowout method.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168300286295,"sku":"B0CKT86C8F","price":46.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-hose-and-gauge.jpg?v=1790398875"},{"product_id":"boltigen-ac-dye-oil-injector-backflow-prevent-kit-r134a-r1234yf-r410-low-side-couplers-with-check-valve","title":"Boltigen AC Dye Oil Injector Backflow Prevent Kit — R134A\/R1234YF\/R410 Low‑Side Couplers with Check Valve","description":"\u003cb\u003eBoltigen AC Dye Oil Injector Backflow Prevent Kit is a compact, multi-adapter toolset that lets technicians and DIYers inject refrigerant oil or fluorescent dye safely into low-pressure HVAC service ports without backflow.\u003c\/b\u003e\n\n\u003cp\u003eThis kit combines a pistol-style dye\/oil injector with a built-in check valve and a set of common low-side couplers and adapters to work across R134A, R1234YF and R410 systems. Designed for automotive and light commercial HVAC use, the injector holds between 1\/4 oz (7.5 ml) and 2 oz (60 ml) so you can meter small oil or dye additions precisely. Brass SAE fittings, an aluminum-alloy body and a reinforced rubber hose make the tool durable and corrosion resistant for repeated shop use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the backflow prevention feature protect my system?\u003c\/h3\u003e\n\u003cp\u003eThe injector's 1\/4\" SAE port includes an integrated check valve that prevents refrigerant or oil from flowing back into the injector during connection and removal. That reduces contamination risks and keeps dye or oil deliveries accurate. The check valve also improves safety by minimizing accidental venting when disconnecting from a pressurized service port.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in check valve on the 1\/4\" SAE fitting to stop reverse flow\u003c\/li\u003e\n  \u003cli\u003eThreaded inner core to purge trapped air before injection\u003c\/li\u003e\n  \u003cli\u003eSecure connection reduces accidental spills and overfill\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerants and adapters are included, and what systems are supported?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with low-side quick couplers and adapters to connect to R134A, R1234YF, and R410A service ports, plus a mini-split adapter. These fittings let you use the same injector across many vehicle and residential AC units without improvising. It works with POE and mineral oils and with fluorescent leak-detection dyes suitable for those refrigerants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eR134A low-side quick coupler (1\/4\" SAE male x 13 mm female)\u003c\/li\u003e\n  \u003cli\u003eR1234YF blue coupler (14 mm female x 1\/4\" SAE male)\u003c\/li\u003e\n  \u003cli\u003eR410A mini-split adapter (5\/16\" SAE female to 1\/4\" SAE male)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the injector for a controlled dye or oil addition?\u003c\/h3\u003e\n\u003cp\u003eFill the outer cylinder with the required amount of oil or dye (up to 2 oz\/60 ml). Screw the check valve assembly onto the cylinder, tighten clockwise, purge a little air through the inner core, then attach the proper low-side coupler to the system's suction port to introduce the fluid slowly and safely.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFill oil cylinder to the measured volume needed for your system\u003c\/li\u003e\n  \u003cli\u003eTighten check valve and purge air via the threaded inner core\u003c\/li\u003e\n  \u003cli\u003eConnect appropriate low-side coupler and inject slowly while monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features should I expect from this tool?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen injector uses corrosion-resistant brass fittings, an aluminum alloy injector body, and a reinforced rubber hose rated for service pressures. Those material choices keep the tool lightweight while sustaining repeated service-room use and resist rust from oil and refrigerant exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum-alloy injector body for strength and low weight\u003c\/li\u003e\n  \u003cli\u003eBrass 1\/4\" SAE fittings for reliable sealing and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eReinforced rubber hose designed for pressure and chemical resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Boltigen's AC Dye Oil Injector Backflow Prevent Kit is aimed at professional HVAC technicians, automotive AC specialists, and experienced DIYers who need a versatile, durable tool for adding small, measured amounts of oil or fluorescent dye to low-pressure refrigeration systems. It is not a substitute for full refrigerant charging equipment and should be used by individuals familiar with safe HVAC service practices.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this injector with POE and mineral oils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit is compatible with POE and mineral oils and works with fluorescent dyes suitable for leak detection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit fit R1234YF service ports?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes a blue R1234YF low-side coupler adapter for 14 mm service ports.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168375619927,"sku":"B09VL6Q953","price":54.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-injector-front-view.jpg?v=1790402118"},{"product_id":"boltigen-r1234yf-r134a-ac-oil-dye-injector-dual-couplers-mini-shut-off-valve-7-5-60ml","title":"Boltigen R1234YF\/R134A AC Oil \u0026 Dye Injector — Dual Couplers, Mini Shut-Off Valve, 7.5–60ml","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's R1234YF\/R134A AC oil and dye injector is a compact hand-turn tool for safely injecting compressor oil or fluorescent dye into low-side A\/C systems, compatible with both R1234YF and R134A ports.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis injector combines a durable aluminium body, knurled hand-turn control and a mini shut-off ball valve to let technicians or DIYers add small, measured amounts of POE or mineral oil—and fluorescent leak dye—through the low-pressure suction port. It ships with both R1234YF and R134A low-side quick couplers so you can work on modern mobile and stationary A\/C systems without extra adapters. The brass 1\/4\" SAE connector, rubber hose and multiple capacity settings make it a flexible, long-lasting shop tool for maintenance and leak detection jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use the injector safely on my vehicle or home A\/C?\u003c\/h3\u003e\n\n\u003cp\u003eAttach the included low-side quick coupler for the refrigerant your system uses, connect the injector hose to the suction port, and use the knurled turn handle to push oil or dye into the system while the compressor is running at low speed. The mini shut-off ball valve allows you to stop flow instantly and prevents backflow when disconnecting.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUse R1234YF or R134A quick coupler supplied with the kit—no extra adapter needed.\u003c\/li\u003e\n  \u003cli\u003eRun compressor briefly to circulate injected oil or dye.\u003c\/li\u003e\n  \u003cli\u003eTurn handle slowly to control volume; valve stops flow instantly.\u003c\/li\u003e\n  \u003cli\u003eWear gloves and eye protection when handling dyes or oils.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat capacities and fluids will this injector handle?\u003c\/h3\u003e\n\n\u003cp\u003eThe rotary push-style main body accepts small to moderate volumes—ranging from 1\/4 oz (7.5 ml) up to 2 oz (60 ml)—so you can perform precision top-ups or dye tests without overfilling the system. It works with POE and mineral compressor oils as well as fluorescent leak dyes formulated for automotive and HVAC use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCapacity range: 7.5 ml to 60 ml for accurate dosing.\u003c\/li\u003e\n  \u003cli\u003eCompatible fluids: POE oils, mineral oils, and fluorescent dyes.\u003c\/li\u003e\n  \u003cli\u003eRotary push design ensures measured delivery with hand control.\u003c\/li\u003e\n  \u003cli\u003eNot intended for large-volume charging—use for targeted injections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my car and shop tools—what about build quality?\u003c\/h3\u003e\n\n\u003cp\u003eThe injector is built from a premium aluminium-alloy hand-turn body for corrosion resistance, with a brass 1\/4\" SAE connector and a thick rubber hose for secure, long-term connections. The kit includes both R1234YF and R134A low-side quick couplers so it adapts to common automotive and small HVAC systems.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAluminium alloy main body for durability and lightweight handling.\u003c\/li\u003e\n  \u003cli\u003eBrass 1\/4\" SAE connector for reliable sealing with fittings.\u003c\/li\u003e\n  \u003cli\u003eDurable rubber hose reduces kinks and resists deck or shop wear.\u003c\/li\u003e\n  \u003cli\u003eIncludes R1234YF and R134A low-side couplers for broad compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow precise is the injector for diagnosing leaks with fluorescent dye?\u003c\/h3\u003e\n\n\u003cp\u003eThe injector’s knurled hand-turn and rotary push mechanism allow fine control over dye volume, minimizing waste while delivering enough tracer for effective leak detection. For optimal results, inject small increments and run the system briefly so dye circulates to potential leak sites.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHand-turn control provides incremental dosing for accurate diagnostics.\u003c\/li\u003e\n  \u003cli\u003eSmall-capacity option avoids over-saturating the system with dye.\u003c\/li\u003e\n  \u003cli\u003eMini shut-off ball valve enables quick isolation after injection.\u003c\/li\u003e\n  \u003cli\u003eWorks with fluorescent dyes commonly used for leak location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Technicians, independent mechanics and confident DIYers who need a compact, reliable tool to top up compressor oil or add fluorescent dye to R1234YF or R134A systems. It’s suited for vehicle A\/C service, small residential or office HVAC tasks and for anyone who wants controlled, low-volume injection without bulky equipment. If you require large-volume charging, automated dispense systems, or certified refrigerant charging tools, consider pairing this injector with appropriate shop equipment and following manufacturer service procedures.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this injector with both R1234YF and R134A systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes low-side quick couplers for both R1234YF and R134A to work on either system without extra adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What fluids are compatible with this injector?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It accepts POE and mineral compressor oils and fluorescent leak dyes designed for automotive and small HVAC systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168377192791,"sku":"B09W2SRTCB","price":55.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-injector.jpg?v=1790402179"},{"product_id":"boltigen-ac-oil-dye-injector-kit-2-oz-with-backflow-prevent-check-valve-r134a-r1234yf-r410-adapter","title":"Boltigen AC Oil \u0026 Dye Injector Kit — 2 oz with Backflow-Prevent Check Valve, R134a\/R1234YF\/R410 Adapter","description":"\u003cp\u003e\u003cstrong\u003eThe Boltigen AC Oil Dye Injector Kit is a backflow-protected tool that injects refrigerant oil and fluorescent dye through the low-pressure side to locate leaks and top up A\/C systems for cars and mini-splits.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit bundles a 2 oz (60 ml) injector with adjustable fittings and quick couplers for R134a, R1234YF and an R410a mini-split adapter, letting technicians and knowledgeable DIYers add oil or dye safely through the suction port. The included check valve prevents refrigerant or oil from flowing back into the injector, while multiple couplers let you adapt to common automotive and residential HVAC service ports.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the injector prevent backflow when connected to the low-pressure port?\u003c\/h3\u003e\n\u003cp\u003eThe injector includes an integrated check valve (backflow protection) on the 1\/4\" SAE port so fluid and refrigerant cannot return into the injector once connected. This reduces contamination of the injector and protects the service bottle. It also simplifies single-person operation when topping up oil or introducing dye.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in check valve on the SAE low-side connection\u003c\/li\u003e\n  \u003cli\u003eThreaded core and tight-sealing inner\/outer cylinders to control flow\u003c\/li\u003e\n  \u003cli\u003eSimple clockwise tightening to seat valves and purge trapped air\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerants and oils are compatible with this kit?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen injector is compatible with many common automotive and residential refrigerant systems, including R134a, R1234YF and systems requiring an R410a mini-split adapter. It accepts POE and mineral oils as well as fluorescent leak-detection dyes formulated for HVAC use. Always follow manufacturer guidelines for oil type and dye concentration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdapters for R134a low-side and R1234YF quick couplers\u003c\/li\u003e\n  \u003cli\u003eR410a mini-split adapter converts 5\/16\" female to 1\/4\" male\u003c\/li\u003e\n  \u003cli\u003eWorks with POE, mineral oils and compatible fluorescent dyes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the step-by-step basics for using the oil and dye injector?\u003c\/h3\u003e\n\u003cp\u003eFill the injector cylinder with the desired quantity (up to 2 oz\/60 ml), attach the check valve and purge any trapped air by briefly opening the inner core. Connect the correct low-pressure quick coupler to the system, then inject the oil or dye as needed while monitoring system pressures. Tighten fittings clockwise to secure the inner and outer cylinders before service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFill injector; tighten check valve and cylinders clockwise\u003c\/li\u003e\n  \u003cli\u003eUse the small threaded core to release trapped air from the hose\u003c\/li\u003e\n  \u003cli\u003eAttach appropriate quick coupler and add measured oil\/dye\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat hardware is included and how will it fit my toolbox?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with the 2 oz injector plus three service adapters and a valve remover, designed to occupy minimal space in a technician bag or a DIY tool case. The quick couplers and compact adapter make it straightforward to service vehicles and mini-split systems without carrying multiple large bottles or complex manifolds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2 oz (60 ml) AC oil and dye injector with check valve\u003c\/li\u003e\n  \u003cli\u003eR1234YF low-side quick coupler and R134a low-side coupler with valve\u003c\/li\u003e\n  \u003cli\u003eR410a mini-split adapter and valve core remover tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Boltigen AC Oil Dye Injector Kit is aimed at HVAC technicians, automotive A\/C specialists and experienced DIYers who need a portable, backflow-protected way to add oil or dye to refrigeration systems. It’s best for users familiar with low-side service procedures and refrigerant safety — ideal for leak detection, small oil top-ups and field service work where adaptable couplers and a compact injector save time and space.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this injector with R134a and R1234YF systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes R134a and R1234YF low-side quick couplers to work with both refrigerant types.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much oil does the injector hold?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The injector holds up to 2 oz (60 ml) for small oil top-ups or dye injections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168443416919,"sku":"B09VL8W76S","price":56.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-injector-kit.jpg?v=1790404038"},{"product_id":"boltigen-30-piece-1-4-sae-schrader-access-service-valves-3-54-stem-brass-copper-alloy","title":"Boltigen 30-Piece 1\/4\" SAE Schrader Access Service Valves - 3.54\" Stem, Brass\/Copper Alloy","description":"\u003cp\u003e\u003cstrong\u003eBoltigen 30-piece access service valve kit is a set of 1\/4\" SAE Schrader-style service valves with 3.54\" stems, designed to give fast, reliable access for charging, vacuums and pressure checks on refrigeration and air conditioning systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese brass\/copper alloy access valves provide a spring-assisted poppet core inside a threaded stem, packaged with removable caps and a valve-core tool. Built to resist corrosion and repeated use, the kit supplies 30 identical valves so technicians and DIYers can service multiple lines without running short. The valves are compatible with standard refrigeration and HVAC service tasks that use 1\/4\" SAE fittings and 1\/4\" OD hoses.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these valves make charging and pressure checks easier?\u003c\/h3\u003e\n\u003cp\u003eEach valve features a self-contained stem with an internal poppet core that opens when engaged, allowing refrigerant or vacuum lines to be connected without removing the service port. That means quicker access and fewer leaks during routine tasks. Use with standard charging hoses, gauges, or piercing tools when needed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1\/4\" SAE inlet mates with common HVAC fittings\u003c\/li\u003e\n\u003cli\u003e3.54\" stem length simplifies connections in tight spaces\u003c\/li\u003e\n\u003cli\u003eSpring-assisted poppet core reduces accidental discharge\u003c\/li\u003e\n\u003cli\u003eThreaded body secures into service ports for stable use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build features affect durability?\u003c\/h3\u003e\n\u003cp\u003eThe valves combine brass and copper-alloy components chosen for corrosion resistance and wear strength in refrigerant environments. The plated finish helps prevent seizing and maintains a reliable seal over repeated installations. Each valve comes with a protective cap and an included valve-core remover for maintenance or replacement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion-resistant metal construction for longevity\u003c\/li\u003e\n\u003cli\u003ePlated surfaces for reduced galling and easier removal\u003c\/li\u003e\n\u003cli\u003eIncludes caps to protect threads and cores from debris\u003c\/li\u003e\n\u003cli\u003eValve-core remover included for on-site servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these valves compatible with my HVAC and refrigeration systems?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen valves are intended for systems that use 1\/4\" SAE service fittings and 1\/4\" OD connection points, common in residential and light commercial refrigeration and air conditioning. They work well with charging hoses, vacuum pumps and pressure gauges designed to ISO\/SAE fittings. Do not use them with incompatible thread sizes or in applications outside recommended refrigerant handling practices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for 1\/4\" SAE service ports and 1\/4\" OD hoses\u003c\/li\u003e\n\u003cli\u003eSuitable for vacuum, charging, and pressure testing tasks\u003c\/li\u003e\n\u003cli\u003eNot a substitute for specialty valves on non-standard fittings\u003c\/li\u003e\n\u003cli\u003ePair with compatible piercing tools or hose fittings when required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how does the one-year warranty work?\u003c\/h3\u003e\n\u003cp\u003eThe package provides 30 complete access service valves, each with its own cap and a valve-core remover for easy maintenance. Boltigen covers manufacturing defects under a limited one-year warranty; contact customer support if a valve fails under normal use. Keep proof of purchase and describe the issue to begin a warranty claim.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e30 valves, each with cap and valve-core tool\u003c\/li\u003e\n\u003cli\u003eSpare cores can be serviced or replaced as needed\u003c\/li\u003e\n\u003cli\u003eOne-year limited warranty against manufacturing defects\u003c\/li\u003e\n\u003cli\u003eCustomer support available for returns or part issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This 30-piece Boltigen kit fits HVAC technicians, refrigeration service professionals, and informed DIYers who need a ready supply of reliable 1\/4\" SAE access valves for charging, leak checks, and vacuum work. It’s especially useful when servicing multiple systems or keeping a stocked toolbox for on-site repairs and maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these valves fit standard 1\/4\" AC service ports?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they are made for 1\/4\" SAE service fittings and 1\/4\" OD hoses used in many HVAC systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the one-year warranty cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The one-year limited warranty covers manufacturing defects; contact Boltigen with proof of purchase for claims.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168454099287,"sku":"B0B9SGR4FC","price":47.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-valves.jpg?v=1790404420"},{"product_id":"boltigen-3-piece-r134a-ac-manifold-hose-set-blue-red-yellow-hoses-self-sealing-can-taps-adjustable-quick-couplers","title":"Boltigen 3-Piece R134a AC Manifold Hose Set — Blue\/Red\/Yellow Hoses, Self-Sealing Can Taps \u0026 Adjustable Quick Couplers","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's 3-piece AC manifold gauge hose set is a complete R134a-ready kit that includes reinforced blue\/red\/yellow hoses, puncture-style self-sealing can taps, adjustable quick couplers, and multiple refrigerant adapters for HVAC service and charging.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact toolkit brings together heavy-duty hoses, brass can taps, and versatile adapters engineered to streamline refrigerant evacuation, charging, and pressure checks on automotive and light HVAC systems. Built with multi-layer PVC hoses rated for regular use up to 600 psi and brass fittings that resist corrosion, the set aims to reduce refrigerant loss and speed up routine service tasks for both DIYers and technicians.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose set help me perform an AC recharge?\u003c\/h3\u003e\n\u003cp\u003eThe set combines color-coded service hoses with R134a-compatible quick couplers and can taps so you can connect gauges, tanks, and service ports in one setup. Self-sealing can taps let you puncture refrigerant cans and pause work without excessive loss, while the reinforced hoses maintain integrity under pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor-coded 1\/4\" female flare hoses: blue (low), red (high), yellow (charge)\u003c\/li\u003e\n  \u003cli\u003eR134a puncture-style can taps with T-handle and thickened seals\u003c\/li\u003e\n  \u003cli\u003eAdjustable 6-ball quick couplers to minimize refrigerant leakage\u003c\/li\u003e\n  \u003cli\u003eAdapters for common tank and flare configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre the fittings and couplers compatible with common refrigerants and service tools?\u003c\/h3\u003e\n\u003cp\u003eYes — the kit is built to work with R134a and also supports R12, R22, and R502 when appropriate adapters and service protocols are used. The quick couplers and multiple adapter fittings allow connection to 1\/4\" flare tools and standard refrigerant tanks used in automotive and small HVAC maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdapters: 1\/4\" flare female to 1\/2\" male, 1\/2\" female to 1\/4\" flare male, and 1\/4\" female to 1\/4\" male\u003c\/li\u003e\n  \u003cli\u003e6-ball quick coupler design for secure seals on service ports\u003c\/li\u003e\n  \u003cli\u003eBrass can taps compatible with standard R134a cans\u003c\/li\u003e\n  \u003cli\u003eHoses rated for everyday pressures up to 600 psi\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and durability features should I expect from this set?\u003c\/h3\u003e\n\u003cp\u003eThe hoses feature four-layer PVC construction to resist kinking and pressure cycles, while brass components are chosen for corrosion resistance and repeated use. Self-sealing puncture taps and a multi-ball coupler design reduce refrigerant escape points during connection and disconnection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour reinforced PVC layers for wear resistance and flexibility\u003c\/li\u003e\n  \u003cli\u003eBrass can taps with enhanced seals and T-handles for control\u003c\/li\u003e\n  \u003cli\u003eQuick couplers with multiple balls to prevent leaks under load\u003c\/li\u003e\n  \u003cli\u003eBurst pressure tested to significantly exceed working pressure (3000 psi burst)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to use this kit if I'm not a professional?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for straightforward hookups: color-coded hoses, clearly threaded fittings, and fingertip T-handles make basic charging and pressure checks accessible to experienced DIYers. However, correct refrigerant selection and following local regulations are essential; novice users should consult guides or a professional when unsure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor-coded hoses simplify low\/high\/charge connections\u003c\/li\u003e\n  \u003cli\u003eSelf-sealing can taps reduce refrigerant waste during pauses\u003c\/li\u003e\n  \u003cli\u003eAdapters let you match common tank and gauge fittings quickly\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for professional training or legal refrigerant handling guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Boltigen's 3-piece manifold hose set is suited to automotive enthusiasts, independent technicians, and homeowners comfortable with vehicle or small HVAC maintenance who need a rugged, adaptable toolkit for evacuating, testing, and recharging systems using R134a and related refrigerants. If you require commercial-grade manifold bodies or certified refrigerant recovery machines, pair this set with professional equipment and adhere to local environmental rules.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this set be used with R134a cans directly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The included puncture-style self-sealing can taps are designed for use with standard R134a cans.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the hoses resist high pressure and kinking?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Hoses have four reinforced PVC layers rated for daily pressures up to 600 psi and high burst strength.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168457670999,"sku":"B0B295B12L","price":69.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-complete-kit.jpg?v=1790404552"},{"product_id":"boltigen-ac-oil-dye-injector-kit-screw-in-injector-with-r134a-r1234yf-r410a-adapters-ball-valve-oil-checkers","title":"Boltigen AC Oil Dye Injector Kit — Screw-In Injector with R134a\/R1234yf\/R410A Adapters, Ball Valve \u0026 Oil Checkers","description":"\u003cp\u003e\u003cstrong\u003eBoltigen AC Oil Dye Injector Kit is a professional-grade set for safely adding oil or fluorescent dye into automotive and small HVAC refrigerant systems using adjustable quick couplers for R134a, R1234yf and R410A applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you need to top up compressor oil, introduce leak-detecting dye, or verify oil condition, this kit brings precision fittings and durable components to service jobs. The set pairs a screw-in injector with multiple low-side couplers, an R410A mini-split adapter, and oil checkers so you can work across modern car and mini-split systems without improvising adapters.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit let me add oil or dye without evacuating the system?\u003c\/h3\u003e\n\n\u003cp\u003eThe injector screws into the low-pressure service port and its ball valve isolates the injector from the coupler so you can control flow by hand. This arrangement permits controlled suction-side injection, avoiding the need to fully discharge or dismantle the system for minor oil or dye additions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eScrew-in injector with 7.5ml to 60ml capacity for measured dosing.\u003c\/li\u003e\n  \u003cli\u003eBall valve isolates coupler for safe, drip-free operation.\u003c\/li\u003e\n  \u003cli\u003eDesigned for low-pressure suction-side service to keep refrigerant in place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerant connections and adapters are included?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit supplies a selection of quick couplers and adapters to span common automotive and HVAC low-side ports. Included items fit R134a, R1234yf and an adapter to work with R410A mini-split service fittings so you won't need separate connectors for each refrigerant type.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eR134a low-side quick coupler: 1\/4\" SAE male x 13mm female.\u003c\/li\u003e\n  \u003cli\u003eR1234yf quick coupler with 14mm female fitting compatible with low-pressure R134a ports.\u003c\/li\u003e\n  \u003cli\u003eR410A mini-split adapter: 5\/16\" SAE female to 1\/4\" SAE male for small HVAC units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and compatibility should I expect from the injector and accessories?\u003c\/h3\u003e\n\n\u003cp\u003eComponents are manufactured from heavy-duty metal and oil-resistant rubber selected for durability and resistance to wear and corrosion. The injector and seals tolerate POE and mineral oils and accept fluorescent dyes formulated for leak detection; oil checkers help inspect current oil level and condition before service.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRobust metal body resists corrosion on workshop floors and in garages.\u003c\/li\u003e\n  \u003cli\u003eOil-resistant rubber seals maintain flexibility and prevent hardening.\u003c\/li\u003e\n  \u003cli\u003eCompatible with POE and mineral oils and most fluorescent A\/C dyes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the oil checkers help during diagnostics?\u003c\/h3\u003e\n\n\u003cp\u003eOil checkers are included to let you inspect the system’s existing oil level and visual quality before adding oil or dye. They provide a quick, non-invasive way to determine whether a top-up or dye injection is warranted and whether oil appears contaminated or degraded.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVisual inspection points for oil clarity and color.\u003c\/li\u003e\n  \u003cli\u003eQuick assessment avoids unnecessary service steps.\u003c\/li\u003e\n  \u003cli\u003eHelps choose correct oil type and volume prior to injection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, DIYers and HVAC professionals who service automotive air conditioning and compact residential mini-split systems will find this kit valuable. It suits users who need an accurate, portable method to add oil or introduce fluorescent dye for leak detection across R134a, R1234yf and R410A systems while minimizing system disruption.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this kit inject dye without evacuating refrigerant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The screw-in injector and ball valve let you add dye through the low-pressure suction side without fully discharging the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the kit compatible with POE oil and mineral oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Components and seals are oil-resistant and compatible with both POE and mineral oils and common fluorescent dyes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168508035415,"sku":"B0C616HD54","price":57.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-injector-front-view_0801078f-aca1-4bac-9e26-433b4d31f22e.jpg?v=1790406020"},{"product_id":"boltigen-fuel-transfer-hose-3-4-inch-npt-10-ft-reinforced-nitrile-core-stainless-steel-braid","title":"Boltigen Fuel Transfer Hose 3\/4-inch NPT 10 ft — Reinforced Nitrile Core, Stainless-Steel Braid","description":"\u003cp\u003e\u003cstrong\u003eBoltigen 3\/4\" NPT Fuel Transfer Hose is a 10-foot, heavy-duty fuel transfer line engineered for safe, flexible movement of gasoline, diesel, biodiesel and kerosene between pumps, tanks and equipment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis reinforced transfer hose combines a nitrile rubber core, stainless-steel braid and a PVC\/nitrile outer cover to deliver reliability where fuel handling matters. Built for industrial and mobile use, it balances flexibility for routing in tight spaces with crush and abrasion resistance for longer service life. The 3\/4\" NPT threaded ends fit a wide variety of pumps and nozzles so you can hook into existing gear with minimal adapters.\u003c\/p\u003e\n\n\u003ch3\u003eHow durable is this hose under continuous use?\u003c\/h3\u003e\n\u003cp\u003eThe construction is chosen for endurance: a nitrile inner resists fuel swelling, a stainless-steel braid provides reinforcement, and the mixed-rubber outer fights abrasion and weathering. Rated working pressure and burst values give a clear safety margin for routine transfer tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 232 PSI for steady operation\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: 696 PSI for safety under abnormal pressure spikes\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -40°F to 212°F for cold starts and hot environments\u003c\/li\u003e\n  \u003cli\u003eOuter cover resists cuts, scuffs and UV exposure for longer life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich fuels and systems is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen hose is formulated to be compatible with common liquid fuels used in vehicles, generators and equipment. Its nitrile inner material resists degradation from petroleum and many biofuels, while the 3\/4\" NPT thread matches standard pump and tank fittings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for gasoline, diesel and biodiesel blends\u003c\/li\u003e\n  \u003cli\u003eWorks with kerosene and other petroleum-based fluids\u003c\/li\u003e\n  \u003cli\u003e3\/4\" NPT connectors fit most transfer pumps, nozzles and tank ports\u003c\/li\u003e\n  \u003cli\u003eUse with fuel transfer pumps for refueling and tank-to-tank transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and use safely?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: thread the 3\/4\" NPT connection onto your pump or tank fitting and hand-tighten with proper sealing tape or compound as required. Regular inspection for wear, secure connections and proper routing reduces leak risk and extends service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10-foot length allows flexible routing without extensions\u003c\/li\u003e\n  \u003cli\u003eHand-tighten 3\/4\" NPT fittings and use PTFE tape for a leak-free seal\u003c\/li\u003e\n  \u003cli\u003eInspect hose for abrasion, cracking or kinks before each use\u003c\/li\u003e\n  \u003cli\u003eStore coiled in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Mechanic shops, farms, fleet operators, construction crews and mariners who need a rugged, general-purpose transfer hose will find Boltigen's 10-foot 3\/4\" NPT hose a practical choice. It suits anyone who requires a dependable line for fueling equipment, refilling tanks, or handling diesel and gasoline in field or shop environments. If you need a versatile hose with clear pressure and temperature ratings and broad fuel compatibility, this product is designed for that role. For any questions about fitment or proper use, Boltigen inspects each hose prior to shipment and provides customer support for troubleshooting and replacement guidance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size fittings does this hose use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hose uses 3\/4\" NPT threaded fittings compatible with standard fuel transfer pumps and nozzles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose safe for biodiesel blends?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes; the nitrile inner is compatible with many biodiesel blends, gasoline, diesel and kerosene.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168832274775,"sku":"B0CBDGXLJ7","price":73.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-packaging.jpg?v=1790414544"},{"product_id":"boltigen-1-fuel-transfer-hose-6ft-1-npt-fuel-rated-hose-stainless-braid-40-f-to-212-f","title":"Boltigen 1\" Fuel Transfer Hose — 6ft 1\" NPT Fuel-Rated Hose, stainless braid, -40°F to 212°F","description":"\u003cp\u003e\u003cstrong\u003eBoltigen 1\" Fuel Transfer Hose (6ft, 1\" NPT) is a three-layer, fuel-rated hose built for safe, flexible transfer of gasoline, diesel, kerosene and biodiesel blends.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty 6-foot hose combines a nitrile inner liner, stainless-steel braid reinforcement, and a PVC\/nitrile outer cover to deliver resistance to fuel swelling, abrasion and kinking. Designed with standard 1\" NPT fittings, it mates with pumps, nozzles and tanks used across automotive, agricultural, construction and marine settings. Pressure-rated for routine fueling tasks and engineered for a broad temperature window, the hose balances durability and handling for everyday fuel movement.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose stand up to daily fuel transfer tasks?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen hose uses three protective layers to manage chemical exposure and mechanical stress: a nitrile rubber core resists fuel permeation, a stainless-steel braid provides tensile and burst protection, and a blended PVC\/nitrile outer resists abrasion and sunlight. Its working pressure and temperature range let it perform reliably under normal fueling conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking pressure: 232 PSI, bursting pressure: 696 PSI for safety margin.\u003c\/li\u003e\n  \u003cli\u003eTemperature range: -40°F to 212°F for cold storage and warm climates.\u003c\/li\u003e\n  \u003cli\u003eNitrile inner liner minimizes degradation from hydrocarbons and biodiesel blends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it connect to my pump, nozzle or tank equipment?\u003c\/h3\u003e\n\u003cp\u003eYes — the hose is fitted with 1\" NPT threading, a common industrial standard, so it connects directly to many manual and powered transfer devices. Properly tightened NPT fittings create a leak-resistant seal when used with compatible threads and sealant practices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard 1\" NPT threads for broad compatibility with fuel transfer gear.\u003c\/li\u003e\n  \u003cli\u003eDesigned for secure, low-leak installation when paired with correct thread sealing.\u003c\/li\u003e\n  \u003cli\u003eSuitable for hand pumps, electric transfer pumps and gravity-fed transfer setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fuels and fluids can I safely move with this hose?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen hose is formulated to handle common hydrocarbon fuels and many fuel blends without rapid degradation. It is compatible with gasoline, diesel, kerosene, ethanol and biodiesel blends up to common concentration levels, as well as many petroleum-based oils and solvents listed by the manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with gasoline, diesel, kerosene and B20 biodiesel blends.\u003c\/li\u003e\n  \u003cli\u003eAccepts common ethanol blends (e.g., E10, E15 where applicable) and many oils.\u003c\/li\u003e\n  \u003cli\u003eNot intended for strong acids, concentrated bases, or incompatible specialty chemicals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the hose last and what maintenance does it need?\u003c\/h3\u003e\n\u003cp\u003eThe blended rubber outer and stainless reinforcement provide abrasion resistance and structural longevity under routine use; lifespan depends on exposure and handling. Regular inspection for cuts, cracking, hardening or loose fittings will help you spot wear before leaks occur.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect before each use for surface damage, kinks or fitting degradation.\u003c\/li\u003e\n  \u003cli\u003eStore coiled in a cool, shaded place to protect the outer cover from UV and ozone.\u003c\/li\u003e\n  \u003cli\u003eReplace hoses showing stiffening, inner swelling, or any leak signs immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Boltigen 1\" Fuel Transfer Hose is aimed at contractors, farmers, fleet maintenance technicians, boat owners and DIYers who need a robust, fuel-rated hose for routine transfer tasks. It suits anyone requiring a 6-foot, 1\" NPT hose that balances chemical resistance and flexibility for gasoline, diesel, kerosene and common biodiesel and ethanol blends. If you need a different length, pressure rating or a hose certified for specialized fluids, evaluate those specific requirements before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose safe for diesel and biodiesel blends?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The nitrile inner liner accepts diesel and common biodiesel blends such as B20 when used within intended temperature and pressure ranges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What thread size does the hose use and will it fit my pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The hose uses 1\" NPT threaded fittings, a common industrial size that fits many pumps, nozzles and tank connections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168832471383,"sku":"B0DJR5WQ8Q","price":73.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-view-hose-assembly.jpg?v=1790414545"},{"product_id":"boltigen-3-8-id-transmission-oil-cooler-hose-20ft-sae-j1532-300-psi-working-high-temp-cpe-jacket","title":"Boltigen 3\/8\" ID Transmission Oil Cooler Hose — 20FT SAE J1532, 300 PSI Working, High-Temp CPE Jacket","description":"\u003cb\u003eBoltigen 3\/8\" ID Transmission Oil Cooler Hose is a 20-foot, SAE J1532-compliant cooler line built for transmission, power steering and hydraulic connections that require 300 PSI working pressure and high heat resistance.\u003c\/b\u003e\n\n\u003cp\u003eThis 20-foot transmission cooler hose from Boltigen is designed to create a dependable connection between oil coolers, transmissions, power steering units, and hydraulic systems. Constructed with a polyester braid core and a chemical- and abrasion-resistant CPE outer cover, the hose handles oils, transmission fluid, lubricants and gasoline across a wide temperature range. It meets SAE J1532 standards for cooler lines and is engineered for demanding automotive and industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose withstand high pressure and extreme temperatures?\u003c\/h3\u003e\n\u003cp\u003eBoltigen designed the hose with a reinforced polyester braid and durable CPE outer jacket to deliver a 300 PSI working pressure and 1800 PSI burst pressure, while operating between -40°F and 302°F. Those specifications reduce the risk of collapse, leakage or premature failure when routed near hot components or under elevated system loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e300 PSI rated working pressure for routine system use\u003c\/li\u003e\n  \u003cli\u003e1800 PSI burst pressure margin for safety under spikes\u003c\/li\u003e\n  \u003cli\u003eTemperature tolerance from −40°F to +302°F for heat resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fluids and systems can this cooler line be used with?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen cooler hose is compatible with transmission fluid, motor oil, most hydraulic fluids, lubricants and gasoline, making it a versatile choice for many repair and retrofit tasks. It’s intended for oil cooler-to-transmission connections, power steering circuits, hydraulic lines on equipment, and other fluid-transfer needs where SAE J1532 is appropriate.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for transmission and gearbox cooling loops\u003c\/li\u003e\n  \u003cli\u003eApproved for power steering and general hydraulic applications\u003c\/li\u003e\n  \u003cli\u003eAccepts common automotive oils, lubricants and gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I measure and install the 20-foot Boltigen cooler hose for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe hose has a 3\/8\" (9.5 mm) inner diameter and a 0.67\" (16.5 mm) outer diameter, supplied as a continuous 20-foot length so you can cut to fit. For installation, route away from sharp edges and extreme heat sources, secure with clamps or fittings rated for SAE J1532 service, and test the run at system pressure to confirm leak-free operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8\" inner diameter for standard cooler fittings\u003c\/li\u003e\n  \u003cli\u003e20-foot length for flexible routing and custom cuts\u003c\/li\u003e\n  \u003cli\u003eUse SAE J1532-compatible clamps and fittings during install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose a hose built to SAE J1532 standards?\u003c\/h3\u003e\n\u003cp\u003eSAE J1532 provides a recognized benchmark for transmission cooler hose performance and safety, giving installers and vehicle owners confidence in material selection and interchangeability. Choosing a hose manufactured to that standard helps ensure consistent properties like pressure rating, temperature tolerance and fluid compatibility across repairs and replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustry-standard specification for transmission cooler applications\u003c\/li\u003e\n  \u003cli\u003eConsistency in performance and compatibility across vehicle makes\u003c\/li\u003e\n  \u003cli\u003eReduces risk of premature failure from improper hose selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boltigen’s 3\/8\" ID, 20-foot transmission oil cooler hose is aimed at DIY mechanics, professional technicians, fleet maintenance teams and equipment owners who need a flexible, durable cooler line for transmission cooling, power steering or hydraulic systems. If you require a long run to route around obstacles, depend on recognized SAE standards, and want a hose tolerant of oils, gasoline and high temperatures, this hose is a practical choice for automotive repair shops, off-road vehicle builds, industrial maintenance and emergency replacements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose compatible with power steering fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Boltigen hose is compatible with power steering fluid, transmission fluid, oils and most hydraulic fluids.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I cut the 20-foot hose to size and reuse the remainder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The hose can be cut to length; store unused portions cleanly and capped to prevent contamination.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55168990314839,"sku":"B0FFGM7DQH","price":64.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-transmission-hose.jpg?v=1790416404"},{"product_id":"boltigen-3-4-epdm-heater-hose-20ft-reinforced-coolant-line-40-f-to-257-f","title":"Boltigen 3\/4\" EPDM Heater Hose 20ft — Reinforced Coolant Line, -40°F to 257°F","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's 3\/4\" EPDM heater hose is a 20-foot, cut-to-length coolant line engineered for reliable radiator, heater core, and engine cooling system use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt from reinforced EPDM rubber, this straight hose is made to withstand the thermal and pressure demands of automotive cooling systems while remaining flexible for custom routing. Sold in bulk so you can trim exact lengths on the job, the hose works for heater cores, radiators, overflow reservoirs, and many water-or-antifreeze transfer needs across cars, trucks, marine craft, and light industrial applications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hose handle hot engines and cold starts?\u003c\/h3\u003e\n\n\u003cp\u003eThe Boltigen EPDM compound is formulated to resist heat aging and maintain flexibility at low temperatures, helping the hose survive thermal cycling without cracking or hardening. Its reinforced construction supports consistent flow under normal operating pressures found in most cooling circuits.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -40°F to 257°F for wide climate tolerance.\u003c\/li\u003e\n  \u003cli\u003eWorking pressure: up to 100 PSI for everyday cooling systems.\u003c\/li\u003e\n  \u003cli\u003eBurst pressure: rated up to 300 PSI, providing a safety margin during spikes.\u003c\/li\u003e\n  \u003cli\u003eMaterial: EPDM rubber resists coolant and steam exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I cut and route this hose for custom installations?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the 20-foot bulk length is intended for trimming to exact lengths, making it ideal for heater hose replacement, radiator repairs, engine swaps, and custom coolant line runs. The straight-wall design makes clean cuts easy and simplifies clamp installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSold in 20-foot segments that you cut to fit your project needs.\u003c\/li\u003e\n  \u003cli\u003e3\/4 inch inside diameter suits many heater cores and aftermarket plumbing.\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard hose clamps and fittings when clamps match hose ID.\u003c\/li\u003e\n  \u003cli\u003eFlexible enough to route through tight engine bays without kinking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and systems is this coolant hose suitable for?\u003c\/h3\u003e\n\n\u003cp\u003eThis hose is a general-purpose automotive coolant line intended for heater cores, radiators, overflow tanks, and other water\/antifreeze transfer points. It is a practical replacement for many passenger vehicles, light trucks, boats, and some industrial cooling setups when the 3\/4\" ID and performance specs meet the application requirements.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCommonly used for heater cores, radiator inlets\/outlets, and bypass lines.\u003c\/li\u003e\n  \u003cli\u003eWorks for automotive, marine, and small industrial cooling circuits.\u003c\/li\u003e\n  \u003cli\u003eNot vehicle-specific — choose by inner diameter and length required.\u003c\/li\u003e\n  \u003cli\u003eIdeal for repair shops, restorations, and DIY cooling upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before installing this Boltigen hose?\u003c\/h3\u003e\n\n\u003cp\u003eConfirm the hose inner diameter and the clamps or fittings you plan to use match the 3\/4\" ID. Inspect the routing for potential chafe, proximity to sharp edges or high-heat surfaces, and ensure proper clamp torque to avoid leaks without crushing the hose.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMeasure mating fittings to verify 3\/4\" ID compatibility.\u003c\/li\u003e\n  \u003cli\u003eUse corrosion-resistant clamps sized for 3\/4\" hose to secure ends.\u003c\/li\u003e\n  \u003cli\u003eRoute away from exhaust components or sharp brackets to extend life.\u003c\/li\u003e\n  \u003cli\u003eTrim ends squarely and deburr before clamping for a reliable seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Boltigen's 3\/4\" EPDM 20-foot heater hose suits mechanics, restoration hobbyists, and vehicle owners who need a durable, flexible coolant line they can cut to fit. If you require a universal replacement hose with broad temperature tolerance and strong pressure ratings for heater cores, radiator repairs, engine swaps, or marine cooling plumbing, this hose offers a cost-effective, adaptable solution when you select the correct inner diameter and length for your system.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hose compatible with my heater core?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your heater core uses a 3\/4\" inner diameter hose and standard clamps, this Boltigen hose will fit; always measure fittings first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this hose with antifreeze and hot coolant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the EPDM construction is rated for antifreeze and hot coolant between -40°F and 257°F and up to 100 PSI working pressure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55169283326295,"sku":"B0DYD4CSZP","price":85.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging-heater-hose.jpg?v=1790421642"},{"product_id":"boltigen-rv-water-pressure-regulator-kit-with-inline-gac-kdf-filter-3-4-ght-adjustable-regulator-brass-fittings","title":"Boltigen RV Water Pressure Regulator Kit with Inline GAC\/KDF Filter — 3\/4\" GHT Adjustable Regulator, Brass Fittings","description":"\u003cstrong\u003eBoltigen's RV Water Pressure Regulator Kit is a complete hookup solution that protects your camper plumbing while delivering cleaner, better-tasting water at the tap.\u003c\/strong\u003e\n\nCamping water hookups can be unpredictable: pressure spikes, chlorine taste and sediment are common at campgrounds and marinas. This all-in-one kit combines an adjustable pressure regulator, a granular activated carbon\/KDF inline filter, brass fittings and quick-connect hardware so you can hook up faster, protect fittings and enjoy fresher water without juggling multiple parts.\n\n\u003ch3\u003eHow does the adjustable pressure regulator protect my RV plumbing?\u003c\/h3\u003e\n\u003cp\u003eThe adjustable regulator lets you dial water pressure down to a safe level for RV hoses, fixtures and appliances. It ships preset to 45 psi but can be adjusted by hand from about 14 psi up to 160 psi, helping prevent hose bursts, leaky seals and damaged fixtures when campground pressure fluctuates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-turn adjustable top—no tools required for on-site changes.\u003c\/li\u003e\n  \u003cli\u003eFactory preset at 45 psi for typical RV use.\u003c\/li\u003e\n  \u003cli\u003eWide range (approx. 14–160 psi) to accommodate variable supplies.\u003c\/li\u003e\n  \u003cli\u003e3\/4\" GHT (NH) threaded inlet fits U.S. water spigots and RV hose fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the inline water filter remove and how long does it last?\u003c\/h3\u003e\n\u003cp\u003eThe included inline filter uses Granular Activated Carbon (GAC) together with KDF media to reduce chlorine, unpleasant tastes, odors and sediment that affect water quality. Designed for campground and city hookups, the replaceable cartridge helps improve drinking and cooking water at the RV spigot for up to about three months under normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGAC plus KDF media targets chlorine, taste and odor.\u003c\/li\u003e\n  \u003cli\u003eReduces visible sediment for clearer flow to fixtures.\u003c\/li\u003e\n  \u003cli\u003eTypical service life around three months depending on water quality.\u003c\/li\u003e\n  \u003cli\u003eInline form factor installs between spigot and hose for convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich parts are included and how do they simplify my hookup?\u003c\/h3\u003e\n\u003cp\u003eThis kit packages the common hardware RVers need to connect quickly and safely: the regulator, inline filter, brass elbow, hose splitter, flexible connector, quick connects, nozzle and sealing tape. With everything in one box you avoid last-minute trips to the hardware store and reduce the number of separate connections that can leak.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x adjustable RV pressure regulator (3\/4\" GHT).\u003c\/li\u003e\n  \u003cli\u003e1 x inline water filter with GAC\/KDF media cartridge.\u003c\/li\u003e\n  \u003cli\u003e1 x brass elbow, 1 x hose splitter, 1 x flexible connector.\u003c\/li\u003e\n  \u003cli\u003e2 x hose quick-connects, 1 x hose nozzle and sealing tape included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my U.S. campground spigot and RV hose?\u003c\/h3\u003e\n\u003cp\u003eYes—the regulator and fittings use the standard 3\/4\" GHT (Garden Hose Thread\/NH) common to American water outlets and RV hoses. The included quick-connects and flexible connector make the kit compatible with most existing hoses and fixtures so you can adapt to different camp setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/4\" GHT threaded inlet fits most U.S. spigots and RV hoses.\u003c\/li\u003e\n  \u003cli\u003eQuick-connects speed attachment and detachment at the spigot or hose.\u003c\/li\u003e\n  \u003cli\u003eFlexible connector reduces stress on fittings and simplifies alignment.\u003c\/li\u003e\n  \u003cli\u003eBrass elbow helps when space or orientation is tight at hookups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for? This Boltigen kit is aimed at RV owners, campers, and trailer users who want an all-in-one solution for safer hookups and better-tasting water. It’s useful for weekend RVers, long-term travelers, and anyone setting up at varied campgrounds who prefers a single, portable kit that protects plumbing and improves potable water quality without extra tools.\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I adjust the regulator without tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The regulator has a hand-turn adjustable top so you can change pressure on-site without tools.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the inline filter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Under normal campground use the filter typically lasts about three months, depending on water quality and usage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55170564063575,"sku":"B0CN8KZ54K","price":122.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-packaging.jpg?v=1790430843"},{"product_id":"boltigen-rv-water-pressure-regulator-filter-kit-2-nsf-inline-filters-adjustable-45-160-psi-hose-splitter-quick-connects","title":"Boltigen RV Water Pressure Regulator Filter Kit — 2 NSF Inline Filters, Adjustable 45–160 PSI, Hose Splitter \u0026 Quick-Connects","description":"\u003cp\u003e\u003cstrong\u003eBoltigen's RV Water Pressure Regulator Filter Kit is a complete freshwater supply solution that combines an adjustable pressure regulator with NSF-certified inline filters and all the hose fittings you need for safe, reliable RV water hookup.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you connect to campground water, inconsistent pressure and chlorine-treated water can damage plumbing and affect taste. This kit brings together an upgraded adjustable-handle pressure regulator, two NSF 42 inline filters (GAC + KDF), quick-connect fittings, a Y-splitter, brass elbow and a spray nozzle so you can protect your RV system and enjoy cleaner water without hunting for separate parts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the adjustable pressure regulator protect my RV plumbing?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen regulator lets you set and lock inlet pressure to factory 45 PSI or adjust up to 160 PSI, preventing sudden pressure spikes that crack pipes and damage fixtures. The blue pull-and-rotate handle replaces screw-only adjustments for faster, tool-free operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlue adjustable handle for quick pressure changes\u003c\/li\u003e\n  \u003cli\u003eFactory preset at 45 PSI to match most RV systems\u003c\/li\u003e\n  \u003cli\u003eRanges up to 160 PSI for high-pressure sources\u003c\/li\u003e\n  \u003cli\u003eEasy pull-up knob to avoid using a screwdriver\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat do the inline NSF-certified filters remove and how long do they last?\u003c\/h3\u003e\n\u003cp\u003eEach inline filter uses granular activated carbon (GAC) and KDF media to reduce chlorine taste and odor, as well as sediment that can affect water flavor and appliance longevity. The filters are NSF 42 certified for aesthetic effects; life depends on water quality and usage but they are designed for typical RV seasonal travel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGAC + KDF media to reduce chlorine, odors and particulates\u003c\/li\u003e\n  \u003cli\u003eNSF 42 certification for taste and odor reduction\u003c\/li\u003e\n  \u003cli\u003eInline design installs easily between hose and regulator\u003c\/li\u003e\n  \u003cli\u003eReplace based on mileage, smell, or visible buildup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich accessories are included and why will they simplify hookups?\u003c\/h3\u003e\n\u003cp\u003eThe kit bundles commonly used hose hardware so you can connect, split, protect and spray without buying extras. Quick-connects, a Y-splitter and a brass elbow save time and prevent leaks; the twist spray nozzle and hose protector improve usability at campsites.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo hose quick-connects for fast attach\/detach\u003c\/li\u003e\n  \u003cli\u003eY-splitter to feed two appliances or fill and rinse simultaneously\u003c\/li\u003e\n  \u003cli\u003eBrass elbow to reduce stress on fittings and prevent kinks\u003c\/li\u003e\n  \u003cli\u003eAdjustable twist spray nozzle and hose protector for durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and ongoing maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires no special tools: thread the regulator to the campground spigot, attach an inline filter, then secure the hose with quick-connect fittings. Maintenance is straightforward — swap filters when flow slows or taste returns, and check seals if you notice drips.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTool-free pressure adjustment with the blue handle\u003c\/li\u003e\n  \u003cli\u003eThread sealing tape included for leak-free connections\u003c\/li\u003e\n  \u003cli\u003eReplace inline filters periodically for consistent water quality\u003c\/li\u003e\n  \u003cli\u003e24\/7 customer service and 12-month warranty for support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Boltigen Water Pressure Regulator Filter Kit is geared to RV owners, campervan travelers and occasional boondockers who want a single, compact kit that protects plumbing from high pressure while improving the taste and cleanliness of campground water. It’s a practical choice for first-time RV buyers assembling a reliable freshwater hookup, seasoned campers wanting to upgrade their setup, or anyone who prefers carrying a ready-to-use kit that avoids last-minute parts runs at the campground.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this regulator on any campsite faucet?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The regulator threads onto standard campsite spigots and the quick-connects fit typical RV hoses; use the included thread tape for a tight seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are replacement filters available and how often to change them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacement inline filters are sold separately; change frequency depends on water quality and usage, often every few months for regular seasonal use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55170647851351,"sku":"B0CPS4JMY2","price":122.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-front-kit-layout_39416471-3450-4bd0-abb1-15e76b6f090e.jpg?v=1790432351"},{"product_id":"boltigen-ac-oil-injector-kit-for-r1234yf-r134a-r410a-aluminum-dye-injector-with-shut-off-backflow-prevention","title":"Boltigen AC Oil Injector Kit for R1234yf R134a R410a — Aluminium Dye Injector with Shut-Off \u0026 Backflow Prevention","description":"\u003cp\u003e\u003cstrong\u003eBoltigen AC Oil Injector Kit is a compact, multi-adapter tool that lets technicians and DIYers add oil or fluorescent dye to R1234yf, R134a and R410a air conditioning systems safely and cleanly.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one injector set includes the main aluminum alloy injector body, low-side couplers for R1234yf and R134a, an R410a adapter, valve-core remover, gloves and protective bag. Designed for service work on automotive and small HVAC systems, the kit supports POE and mineral oils plus fluorescent dyes for leak detection while providing backflow prevention and a shut-off valve for controlled dispensing.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the injector prevent backflow and overfill?\u003c\/h3\u003e\n\u003cp\u003eThe Boltigen injector uses an integrated check valve and a manual shut-off to stop refrigerant or oil from returning into the container once connected. That reduces contamination and accidental overfills during charging or dye injection. The shut-off also lets you meter small, precise doses without pressure spikes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt-in check valve for one-way flow\u003c\/li\u003e\n  \u003cli\u003eManual shut-off for controlled dispensing\u003c\/li\u003e\n  \u003cli\u003e1\/4\" SAE brass connector ensures secure, leak-resistant seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerants and oils are compatible with this kit?\u003c\/h3\u003e\n\u003cp\u003eThis injector is made to work with modern automotive refrigerants R1234yf and R134a and includes an adapter for R410a systems. It accepts common compressor oils such as POE and mineral oils, and is suitable for fluorescent leak dyes used in troubleshooting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eR1234yf and R134a quick-couplers included\u003c\/li\u003e\n  \u003cli\u003eR410a adapter for broader HVAC compatibility\u003c\/li\u003e\n  \u003cli\u003eSupports POE, mineral oils and fluorescent dyes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build quality can I expect?\u003c\/h3\u003e\n\u003cp\u003eThe injector body is machined from aluminum alloy for durability with a brass 1\/4\" SAE connector to withstand repeated service operations. The reinforced rubber hose and anodized finish resist wear and chemical exposure so the kit remains reliable over many uses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum alloy hand-turn body for lightweight strength\u003c\/li\u003e\n  \u003cli\u003eBrass threaded connector for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eThick rubber hose and protective flannelette bag included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the Boltigen oil and dye injector safely?\u003c\/h3\u003e\n\u003cp\u003eFill the injector cylinder with the recommended oil or dye amount (typically up to 2 ounces), attach the check valve and tighten the inner\/outer cylinders to purge air. Connect the low-side coupler to the vehicle or system low port, open the shut-off and dispense the measured amount while monitoring system pressure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFill inner cylinder up to recommended volume (about 2 oz)\u003c\/li\u003e\n  \u003cli\u003eUse valve-core remover and couplers to access low-side port\u003c\/li\u003e\n  \u003cli\u003eWear supplied gloves and stow kit in the included bag after use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Boltigen AC Oil Injector Kit is aimed at automotive technicians, HVAC service professionals and knowledgeable DIYers who need a portable, adaptable tool to add oil or fluorescent dye into R1234yf, R134a or R410a systems. If you perform routine AC servicing, leak tracing, or oil top-ups and want a compact kit with backflow prevention and accurate dosing, this tool provides a practical, durable solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this injector be used with fluorescent leak dye?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Boltigen injector accepts fluorescent dyes and works with POE or mineral oils for leak detection in compatible AC systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include adapters for both R134a and R1234yf?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit provides low-side couplers for R1234yf and R134a plus an adapter for R410a systems.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55171344400727,"sku":"B0CBRX14V1","price":59.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-injector-front-view_beee9256-8e9d-4c50-a324-65cb7702b0f8.jpg?v=1790443320"},{"product_id":"boltigen-r1234yf-dye-injector-kit-aluminum-ac-oil-injector-for-r1234yf-r134a-with-adjustable-couplers","title":"Boltigen R1234yf Dye Injector Kit, Aluminium AC Oil Injector for R1234yf\/R134a with Adjustable Couplers","description":"\u003cp\u003e\u003cstrong\u003eBoltigen R1234yf Dye Injector is a compact, aluminum-bodied AC oil and dye injector kit with an easy shut-off valve and adjustable quick couplers for use on R1234yf and R134a systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis injector kit is built to let technicians and DIYers add trace dye or lubricant to automotive air conditioning circuits safely and cleanly. It combines a lightweight engraved-capacity cylinder, rugged hoses and brass couplers, plus accessories for leak checking and convenience. The design supports both newer R1234yf systems and legacy R134a ports, so you can carry one tool for multiple vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I attach and operate the Boltigen dye injector?\u003c\/h3\u003e\n\u003cp\u003eAttach the quick coupler to the vehicle service port, fill the injector cylinder with dye or lubricant, and use the shut-off valve to control flow while the A\/C runs. The injector’s markings help measure the amount added and the shut-off prevents accidental overfill.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRotate cylinder open, pour in desired oil or dye, then tighten cap.\u003c\/li\u003e\n  \u003cli\u003eConnect adjustable quick coupler to service port securely.\u003c\/li\u003e\n  \u003cli\u003eStart vehicle A\/C and open valve to inject measured amounts.\u003c\/li\u003e\n  \u003cli\u003eShut valve, disconnect, and store in the included pouch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich refrigerant types and ports does this injector support?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes adjustable quick couplers specifically designed to fit both R1234yf and R134a service fittings. That makes it practical for shops or owners who service a range of vehicles without swapping tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable couplers adapt between R1234yf and R134a port sizes.\u003c\/li\u003e\n  \u003cli\u003eBrass couplers resist corrosion for reliable sealing.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard low-side service ports when used correctly.\u003c\/li\u003e\n  \u003cli\u003eCompatible with common lubricants and UV dyes formulated for automotive A\/C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features improve durability and accuracy?\u003c\/h3\u003e\n\u003cp\u003eThe injector body uses machined aluminum for strength and light weight, the hose is a premium rubber for flexibility, and etched volume markings resist wear. A threaded cap and shut-off valve give precise control over injected amounts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEtched capacity markings from 7.5 ml to 60 ml that won’t rub off.\u003c\/li\u003e\n  \u003cli\u003eAluminum rod body resists dents and chemical exposure.\u003c\/li\u003e\n  \u003cli\u003eDurable brass couplers and rubber hose for long service life.\u003c\/li\u003e\n  \u003cli\u003eShut-off valve prevents unintended flow during connection or removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat accessories are included and how do they help?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with oil checkers, valve core remover, protective gloves and a storage pouch so you can inject, inspect, and tidy up without hunting for extra parts. Those extras make measurement and maintenance faster and cleaner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo oil checkers for quick verification of lubricant presence.\u003c\/li\u003e\n  \u003cli\u003eValve core remover for safe service port access and repair.\u003c\/li\u003e\n  \u003cli\u003ePair of white gloves to keep hands and components clean.\u003c\/li\u003e\n  \u003cli\u003eFlannelette pouch for organized storage and transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Boltigen R1234yf Dye Injector Kit is aimed at independent mechanics, mobile technicians, and informed car owners who need a single, robust tool to add dye or lubricant to multiple A\/C systems. It’s especially useful if you service both modern R1234yf-equipped vehicles and older R134a systems and want accurate dosing, a durable build, and the convenience of a shut-off valve and adaptable couplers. The included accessories and 12-month warranty make it a practical addition to any A\/C service kit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this injector on both R1234yf and R134a systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit’s adjustable brass quick couplers are designed to fit and seal both R1234yf and R134a service ports.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much dye or oil can the injector hold?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The cylinder capacity ranges from about 7.5 ml (1\/4 oz) up to 60 ml (2 oz) with etched volume markings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Boltigen","offers":[{"title":"Default Title","offer_id":55171439788375,"sku":"B0CYP4YB9R","price":74.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/boltigen-injector-front-view_0dd8da0a-8720-4a99-94a6-ada5f3f927fb.jpg?v=1790445336"}],"url":"https:\/\/britishgarage.co.uk\/collections\/boltigen.oembed","provider":"British Garage","version":"1.0","type":"link"}