{"product_id":"4-cfm-single-stage-rotary-vane-vacuum-pump-1-3-hp-hvac","title":"4 CFM Single Stage Rotary Vane Vacuum Pump 1\/3 HP HVAC","description":"\u003cdiv class=\"product-content\"\u003e\n  \u003cdiv class=\"product-description\"\u003e\n    \u003ch2\u003e4 CFM Single Stage Rotary Vane Vacuum Pump 1\/3 HP HVAC\u003c\/h2\u003e\n    \u003cp\u003eA reliable single-stage rotary vane vacuum pump designed for HVAC system evacuation. Before charging refrigerant, the system must be pulled to a deep vacuum to remove moisture and non-condensables — this pump handles residential and light commercial systems with ease.\u003c\/p\u003e\n    \u003ch3\u003eKey Features\u003c\/h3\u003e\n    \u003cul\u003e\n\u003cli\u003e4 CFM displacement for fast evacuation of residential AC systems\u003c\/li\u003e\n\u003cli\u003e1\/3 HP motor pulls down to 75 microns for proper dehydration\u003c\/li\u003e\n\u003cli\u003eBuilt-in cooling fan prevents overheating during extended runs\u003c\/li\u003e\n\u003cli\u003eOil sight glass for easy level monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003ch3\u003eSpecifications\u003c\/h3\u003e\n    \u003cul\u003e\n\u003cli\u003eDisplacement: 4 CFM\u003c\/li\u003e\n\u003cli\u003eMotor: 1\/3 HP, 110V\/60Hz\u003c\/li\u003e\n\u003cli\u003eUltimate vacuum: 75 microns (5 Pa)\u003c\/li\u003e\n\u003cli\u003eOil capacity: 350ml\u003c\/li\u003e\n\u003cli\u003eInlet: 1\/4\" SAE flare\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003ch3\u003eWhat's Included\u003c\/h3\u003e\n    \u003cul\u003e\n\u003cli\u003eVacuum pump\u003c\/li\u003e\n\u003cli\u003eBottle of vacuum pump oil (350ml)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cp\u003e\u003cstrong\u003eShips same-day\u003c\/strong\u003e from our Houston warehouse on orders placed before 3PM CST.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"product-faq\"\u003e\n    \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n    \u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eHow long does it take to evacuate a residential AC system?\u003c\/h4\u003e\n\u003cp\u003eA typical 2-3 ton residential system takes 30-45 minutes to pull down to 500 microns. Allow additional time for the standing vacuum test.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eHow often should I change the oil?\u003c\/h4\u003e\n\u003cp\u003eChange the oil after every job, or whenever it appears cloudy or dark. Clean oil is critical for achieving a deep vacuum.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eCan this handle R410A systems?\u003c\/h4\u003e\n\u003cp\u003eYes, this pump works with all common refrigerants including R410A, R22, R134a, and R404A. The refrigerant type does not affect pump operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch4\u003eIs 4 CFM enough for commercial systems?\u003c\/h4\u003e\n\u003cp\u003e4 CFM is ideal for residential up to 5 tons. For larger commercial systems (10+ tons), a dual-stage 8+ CFM pump would be faster.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"National HVAC Parts","offers":[{"title":"Default Title","offer_id":63004086763891,"sku":"NHVAC-HVAC-4WKK8V","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/715hajTspqL._SL500.jpg?v=1781916861","url":"https:\/\/nationalhvacparts.com\/products\/4-cfm-single-stage-rotary-vane-vacuum-pump-1-3-hp-hvac","provider":"National HVAC Parts","version":"1.0","type":"link"}