Boltigen

Boltigen 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. This injector kit is built to let technicians and DIYers add trace dye or...

Boltigen 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. This all-in-one injector set includes the main aluminum alloy injector body, low-side couplers...

Boltigen'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. When you connect to campground water, inconsistent pressure...

Boltigen'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. Camping water hookups can be unpredictable: pressure spikes, chlorine taste and sediment are common at campgrounds and marinas. This all-in-one...

Boltigen'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. Built from reinforced EPDM rubber, this straight hose is made to withstand the thermal and pressure demands of automotive cooling systems while...

Boltigen 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. This 20-foot transmission cooler hose from Boltigen is designed to create a...

Boltigen 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. This heavy-duty 6-foot hose combines a nitrile inner liner, stainless-steel braid reinforcement, and a PVC/nitrile outer cover to deliver...

Boltigen 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. This reinforced transfer hose combines a nitrile rubber core, stainless-steel braid and a PVC/nitrile outer...

Boltigen 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. Whether you need to top up compressor oil, introduce leak-detecting...

Boltigen'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. This compact toolkit brings together heavy-duty hoses, brass can taps, and...

Boltigen 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. These brass/copper alloy access valves provide a spring-assisted...

The 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. This compact kit bundles a 2 oz (60 ml) injector...

Boltigen'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. This injector combines a durable aluminium body, knurled hand-turn control and a mini...

Boltigen 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. This kit combines a pistol-style dye/oil injector with a built-in check valve...

Boltigen'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. When temperatures drop, trapped water in RVs, boats, and outdoor plumbing can freeze and damage pipes,...

Boltigen Upgraded RV Winterizing Kit with Pressure Gauge & 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. When temperatures drop, trapped water in hoses and onboard plumbing...

Boltigen’s quick coupler kit converts R134a service hoses to R1234yf systems, giving a fast, leak-resistant connection for automotive A/C charging and diagnostics. This Boltigen adapter kit includes color-coded high and low couplers plus SAE-compatible fittings so technicians and DIYers can link modern R1234yf service...

Boltigen’s R1234yf to R134a Adapter Kit converts between R1234yf and R134a vehicle air-conditioning couplers for fast, leak-resistant service. This 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...

Boltigen's R1234YF Quick Coupler kit converts R1234yf vehicle service ports to accept standard R134a charging hoses for high- and low-side AC work. This two-piece adapter set provides a practical bridge between newer R1234yf fittings and legacy R134a service equipment. Machined from brass with knurled...

Boltigen 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. Winterizing an RV, camper, boat or sprinkler...

Boltigen'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. This heavy-duty cooler hose combines a reinforced polyester braid with a durable CPE outer cover to deliver...

Boltigen'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. This compact kit gives you a stable,...

Boltigen 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. This compact kit assembles the essential components for on-site refrigerator refrigerant work: two...

Boltigen's R1234yf to R134a Adapter Kit converts R134a quick couplers to work with R1234yf service fittings for fast, leak-resistant vehicle and refrigeration connections. Swap between refrigerants and service hoses without buying new gauges or hoses: this conversion set includes a red high-pressure and blue...