{"product_id":"goplus-air-operated-vacuum-pump-4-2-cfm-portable-venturi-hvac-r-pump-for-r134a-r12-includes-fittings","title":"Goplus Air-Operated Vacuum Pump 4.2 CFM — Portable Venturi HVAC\/R Pump for R134a \u0026 R12, Includes Fittings","description":"\u003cstrong\u003eGoplus pneumatic 4.2 CFM air-operated vacuum pump quickly pulls a full vacuum for automotive and home AC systems without electricity.\u003c\/strong\u003e\n\n\u003cp\u003eThis compact Venturi-style vacuum pump uses compressed air to create a powerful vacuum in under two minutes, making it a fast, portable solution for evacuating moisture and air before refrigerant charging. Lightweight and simple to use, the pump is designed for automotive R134a and R12 service as well as domestic air conditioners, refrigerators, and freezers. It ships with the essential fittings so you can connect to service ports and start evacuating right away.\u003c\/p\u003e\n\n\u003ch3\u003eHow fast and powerful is this air-operated vacuum pump?\u003c\/h3\u003e\n\u003cp\u003eThe Goplus AT4280 produces a 4.2 CFM equivalent vacuum flow using an air-driven Venturi mechanism, designed to reach service vacuum levels quickly. Typical setups pull a full vacuum in less than two minutes when supplied with adequate shop air, saving time compared with slow manual methods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated 4.2 CFM equivalent performance\u003c\/li\u003e\n  \u003cli\u003eReaches service vacuum in under two minutes with proper air pressure\u003c\/li\u003e\n  \u003cli\u003eVenturi design avoids electrical motors—ideal for mobile or shop use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat systems and refrigerants is it compatible with?\u003c\/h3\u003e\n\u003cp\u003eBuilt for HVAC\/R service, this pump works with automotive air conditioning systems using R134a and legacy R12, plus household air conditioners, refrigerators, and freezers. Use it to evacuate lines and components before charging refrigerant to help reduce moisture and contamination.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with R134a and R12 automotive systems\u003c\/li\u003e\n  \u003cli\u003eSuitable for small residential AC units, fridges, and freezers\u003c\/li\u003e\n  \u003cli\u003eIncludes fittings to adapt to common service ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to set up and operate?\u003c\/h3\u003e\n\u003cp\u003eOperation requires only a compressed air source and the included fittings — no electricity, pump oil, or complicated assembly. Clear instructions make hookup straightforward: connect the air line, attach service hoses, and open valves to let the Venturi draw a vacuum.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play operation with included fittings\u003c\/li\u003e\n  \u003cli\u003eNo oil changes or electrical hookup required\u003c\/li\u003e\n  \u003cli\u003eLightweight (approx. 0.99 lb) for portability and field work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about durability and maintenance?\u003c\/h3\u003e\n\u003cp\u003eWith few moving parts and a solid Venturi build, maintenance needs are minimal compared with motor-driven pumps. Periodic inspection of fittings and ensuring clean compressed air will preserve performance and extend service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple, low-maintenance Venturi mechanism\u003c\/li\u003e\n  \u003cli\u003eInspect seals and fittings regularly for leaks\u003c\/li\u003e\n  \u003cli\u003eUse clean, dry shop air to prevent contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Goplus air-operated vacuum pump is ideal for mechanics, HVAC technicians, and DIYers who need a fast, portable evacuation tool without electrical power. It suits mobile service vans, small shops, and homeowners who perform refrigerant charging and want a reliable, easy-to-use vacuum solution compatible with R134a and R12 systems.\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 pump run without electricity?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it operates using compressed air (Venturi principle), requiring no electrical power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is it compatible with R134a systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the pump is suitable for R134a automotive air conditioning systems and R12 as well.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Goplus","offers":[{"title":"Default Title","offer_id":48085904720030,"sku":"B0874SGYNS","price":49.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/goplus-front-view-vacuum-pump.jpg?v=1785880286","url":"https:\/\/northtrailauto.ca\/products\/goplus-air-operated-vacuum-pump-4-2-cfm-portable-venturi-hvac-r-pump-for-r134a-r12-includes-fittings","provider":"North Trail Auto","version":"1.0","type":"link"}