{"product_id":"dumos-ac-vacuum-pump-r134a-manifold-gauge-set-4-cfm-kit-with-leak-detector-1-3-hp-motor","title":"DUMOS AC Vacuum Pump \u0026 R134a Manifold Gauge Set — 4 CFM Kit with Leak Detector, 1\/3 HP Motor","description":"\u003cstrong\u003eDUMOS AC Vacuum Pump with Leak Detector and R134a Manifold Gauge Set is a complete 4 CFM HVAC service kit that evacuates, tests and recharges automotive and light commercial refrigeration systems.\u003c\/strong\u003e\n\n\u003cp\u003eThis all-in-one kit combines a powerful single-stage vacuum pump, a full manifold gauge set calibrated for R134a and other common refrigerants, a compact electronic leak detector, plus hoses, adapters and a durable carry bag. Designed for technicians and informed DIYers, the package focuses on fast evacuation, clear pressure readings and flexible, leak-resistant connections for a variety of refrigerants.\u003c\/p\u003e\n\n\u003ch3\u003eHow fast and deep can the vacuum pump evacuate an AC system?\u003c\/h3\u003e\n\u003cp\u003eThe DUMOS pump features a 1\/3 HP motor and 4 CFM free air displacement for rapid evacuation of system moisture and non-condensables. Its single-stage rotary vane design and thermal protection let you run extended pull-downs while maintaining steady performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4 CFM free air displacement for efficient pump-downs\u003c\/li\u003e\n  \u003cli\u003e1\/3 HP motor delivering consistent rotary-vane evacuation\u003c\/li\u003e\n  \u003cli\u003eBuilt-in cooling fan and thermal protection for longer duty cycles\u003c\/li\u003e\n  \u003cli\u003eVisible oil window and bottom drain port for clean oil changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat refrigerants and pressures do the manifold gauges support?\u003c\/h3\u003e\n\u003cp\u003eThe included aluminum manifold gauge set offers high and low gauges with clear faceplates that cover typical automotive and light commercial ranges. It’s engineered for R134a and compatible with r410a, r22, r12 and r404a when used with the correct adapters and service procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-side and high-side gauges with 0–140 psi and 0–400 psi ranges\u003c\/li\u003e\n  \u003cli\u003eColor-coded controls and ports for safer hookup and operation\u003c\/li\u003e\n  \u003cli\u003eR134a ready; adapters included for other common refrigerants\u003c\/li\u003e\n  \u003cli\u003eSturdy aluminum manifold housing for workshop durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the leak detector and hose kit improve troubleshooting?\u003c\/h3\u003e\n\u003cp\u003eThis set bundles a compact leak detector with three 1.5 m color-coded hoses rated up to 4000 psi and quick couplers for secure, fast connections. The detector helps locate escaped refrigerant, while the hoses and adapters reduce leaks during service and speed up switching between systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronic leak detector for on-system refrigerant detection\u003c\/li\u003e\n  \u003cli\u003eThree 1.5 m hoses, color-coded for easy identification\u003c\/li\u003e\n  \u003cli\u003eQuick couplers and R410A adapters for tight, reliable seals\u003c\/li\u003e\n  \u003cli\u003eAssorted fittings and can tap for cylinder and service access\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance and handling features make this kit workshop-friendly?\u003c\/h3\u003e\n\u003cp\u003ePractical details like the large 330 ml oil chamber with an oil-view window, bottom drain port for clean oil changes, and an anti-slip base help keep the pump reliable and tidy. The carry bag organizes components and protects gauges and the detector during transport.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e330 ml oil chamber with sight glass for quick level checks\u003c\/li\u003e\n  \u003cli\u003eBottom drain port simplifies oil changes with minimal mess\u003c\/li\u003e\n  \u003cli\u003eAnti-slip base improves stability during operation\u003c\/li\u003e\n  \u003cli\u003eDurable carry bag stores pump, gauges, hoses and accessories neatly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The DUMOS kit suits HVAC technicians, mobile AC specialists and advanced DIYers who need a single portable solution for evacuation, leak detection and refrigerant service. It’s ideal for automotive air conditioning repairs and light commercial refrigeration work where accurate gauges, fast vacuum capability and secure hose connections matter. If you require high-volume industrial pumping or factory-level certification, consider a larger multi-stage pump and calibrated lab equipment; for routine on-site service and repairs, this DUMOS kit balances performance, convenience and value.\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 pump compatible with R134a systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The manifold gauges and included adapters support R134a, and the pump evacuates systems before recharge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the hoses handle high pressures safely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The three color-coded hoses are rated up to 4000 psi and use quick couplers for secure connections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DUMOS","offers":[{"title":"Default Title","offer_id":48080649814174,"sku":"B0H41MFLL5","price":145.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dumos-vacuum-pump-front.jpg?v=1785783648","url":"https:\/\/northtrailauto.ca\/products\/dumos-ac-vacuum-pump-r134a-manifold-gauge-set-4-cfm-kit-with-leak-detector-1-3-hp-motor","provider":"North Trail Auto","version":"1.0","type":"link"}