{"product_id":"dumos-ac-vacuum-pump-kit-4-cfm-with-leak-detector-and-r134a-manifold-gauge-set-portable-hvac-service-kit","title":"DUMOS AC Vacuum Pump Kit 4 CFM with Leak Detector and R134a Manifold Gauge Set, Portable HVAC Service Kit","description":"\u003cp\u003e\u003cstrong\u003eDUMOS AC Vacuum Pump with Leak Detector is a complete HVAC service kit combining a 4 CFM single-stage vacuum pump, accurate R134a manifold gauges, color-coded hoses, and a portable leak detector for fast, reliable refrigerant evacuation and system testing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one set bundles the core tools technicians and home HVAC enthusiasts need to evacuate, diagnose, and service automotive and small commercial refrigeration systems. The pump’s 1\/3 HP motor and visible oil window speed up deep vacuum pulls, while the manifold gauges and adapters support common refrigerants such as R134a, R410a, R22, R12 and R404a. A compact carry bag keeps everything organized for field use.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly does the DUMOS vacuum pump pull a deep vacuum?\u003c\/h3\u003e\n\u003cp\u003eThe pump is rated at 4 CFM (cubic feet per minute) with a single-stage rotary vane design and a 1\/3 HP motor, delivering efficient evacuation for HVAC and auto AC systems. A built-in cooling fan and thermal protection let you run longer jobs without overheating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4 CFM free air displacement for quicker system evacuation\u003c\/li\u003e\n  \u003cli\u003eSingle-stage rotary vane pump suitable for most refrigeration jobs\u003c\/li\u003e\n  \u003cli\u003eBuilt-in cooling fan and thermal protection for extended operation\u003c\/li\u003e\n  \u003cli\u003eAnti-slip base for stable, low-vibration performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat gauges, hoses, and adapters are included, and are they accurate?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a robust aluminum manifold with high and low pressure gauges calibrated for refrigeration work: low gauge 0–140 psi and high gauge 0–400 psi. Three 1.5 m color-coded hoses, quick couplers, and R410a adapters provide flexible, leak-resistant connections for multiple refrigerants.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh\/low aluminum manifold with clear viewing windows\u003c\/li\u003e\n  \u003cli\u003eLow gauge 0–140 psi and high gauge 0–400 psi for broad coverage\u003c\/li\u003e\n  \u003cli\u003eThree 1.5 m color-coded hoses rated up to 4000 psi\u003c\/li\u003e\n  \u003cli\u003eQuick couplers and multiple refrigerant adapters included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the leak detector and oil management improve servicing?\u003c\/h3\u003e\n\u003cp\u003eThe included leak detector helps pinpoint refrigerant leaks quickly so you can verify repairs before recharging. The vacuum pump’s 330 ml oil chamber includes a visible oil window and a bottom drain port, simplifying oil checks and clean changes to maintain pump performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHandheld leak detector for fast refrigerant leak location\u003c\/li\u003e\n  \u003cli\u003e330 ml oil chamber with sight glass to monitor oil level\u003c\/li\u003e\n  \u003cli\u003eBottom drain port for tidy oil changes and maintenance\u003c\/li\u003e\n  \u003cli\u003eLeak-resistant fittings and couplers reduce service interruptions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat accessories come in the carry bag and how portable is the kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit is supplied in a durable carry bag sized to hold the vacuum pump, manifold gauge set, leak detector, three hoses, various adapters, and a can tap. The compact layout keeps tools protected and easy to transport between jobs or stored neatly in a workshop.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable carry bag sized for pump and accessories\u003c\/li\u003e\n  \u003cli\u003eCan tap, assorted adapters, and quick couplers included\u003c\/li\u003e\n  \u003cli\u003eOrganized interior pockets for fast access to tools\u003c\/li\u003e\n  \u003cli\u003eCompact footprint for field service and garage storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The DUMOS AC Vacuum Pump with Leak Detector is designed for HVAC technicians, automotive air-conditioning specialists, and experienced DIYers who need a portable, complete service kit. It’s ideal for routine evacuations, leak diagnostics, and multi-refrigerant servicing where dependable gauges, leak detection, and easy oil maintenance save time and reduce rework.\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: Which refrigerants are supported by this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The DUMOS kit supports R134a, R410a, R22, R12, and R404a with included adapters and gauges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How large is the pump's oil reservoir and is it easy to change?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The pump has a 330 ml oil chamber with a sight window and bottom drain port for simple, clean oil changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DUMOS","offers":[{"title":"Default Title","offer_id":55170655781207,"sku":"B0H41MFLL5","price":159.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/dumos-vacuum-pump-front-view.jpg?v=1790432477","url":"https:\/\/britishgarage.co.uk\/products\/dumos-ac-vacuum-pump-kit-4-cfm-with-leak-detector-and-r134a-manifold-gauge-set-portable-hvac-service-kit","provider":"British Garage","version":"1.0","type":"link"}