{"product_id":"4-cfm-vacuum-pump-1-3-hp-single-stage-rotary-vane-fast-evacuation","title":"4 CFM Vacuum Pump 1\/3 HP Single Stage Rotary Vane - Fast Evacuation","description":"\u003cp\u003eIn this review the VTG VOGTEN 4 CFM vacuum pump is evaluated as a compact, multipurpose evacuation tool for HVAC technicians and hobbyists. The bottom line: it is for anyone who needs reliable, relatively fast evacuation to deep vacuum levels without heavy-duty industrial cost. The pump delivers a 4 CFM flow and a rated ultimate vacuum down to 5 Pa (37.5 microns), which is the single biggest reason to buy it - it gets systems ready quickly while offering helpful user features like a clear oil sight window and a drain valve to simplify maintenance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-efficiency evacuation:\u003c\/strong\u003e The 4 CFM flow rate and single-stage rotary vane design reduce pump-down time for small to medium refrigeration and AC jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep vacuum capability:\u003c\/strong\u003e Rated to evacuate to 5 Pa (37.5 microns), it reliably reaches levels required for system dehydration and leak testing preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast cooling and protection:\u003c\/strong\u003e Mesh venting, T-shaped heat fins and a built-in fan help dissipate heat while built-in overheat protection preserves motor life during extended use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser-friendly maintenance:\u003c\/strong\u003e A clear oil sight window with measurement markings and a bottom oil drain valve make oil monitoring and changes straightforward and less messy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide refrigerant compatibility:\u003c\/strong\u003e The 1\/4 in SAE inlet and compatibility with R12, R22, R134a, R410a and R502 make it suitable for most residential and many commercial HVAC service tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded oil:\u003c\/strong\u003e The kit ships with a bottle of vacuum pump oil so the pump can be put into service immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe pump is best for HVAC technicians, automotive A\/C servicers, and hobbyists who need a portable, effective evacuation tool for charging and servicing systems, resin and wine degassing, wood stabilization and vacuum packaging. Its 4 CFM capacity and deep vacuum rating match typical tasks on residential systems and lighter commercial work.\u003c\/p\u003e\n\u003cp\u003eThose who regularly tackle large commercial systems that require multi-stage deep vacuuming or continuous industrial duty should look elsewhere for higher-capacity or two-stage pumps designed for heavy continuous workloads. This unit is optimized for portability and mid-range performance rather than maximum production throughput.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid evacuation performance to 5 Pa (37.5 microns) with a useful 4 CFM flow rate for most service jobs.\u003c\/li\u003e\n\u003cli\u003eThoughtful service features like an oil sight window, measurement markings and bottom drain valve for clean oil changes.\u003c\/li\u003e\n\u003cli\u003eEffective cooling design with vents, heat fins and a high-power fan plus overheat protection for longer motor life.\u003c\/li\u003e\n\u003cli\u003eIncludes vacuum pump oil and a standard 1\/4 in SAE inlet for broad refrigerant compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-stage design limits ultimate performance compared with two-stage pumps for very demanding commercial pull-downs.\u003c\/li\u003e\n\u003cli\u003eNot intended as a continuous industrial duty machine for heavy production environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Type\u003c\/td\u003e\n\u003ctd\u003e1\/3 HP single-stage rotary vane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Rate\u003c\/td\u003e\n\u003ctd\u003e4 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUltimate Vacuum\u003c\/td\u003e\n\u003ctd\u003e5 Pa (37.5 microns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Port\u003c\/td\u003e\n\u003ctd\u003e1\/4 in SAE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefrigerant Compatibility\u003c\/td\u003e\n\u003ctd\u003eR12, R22, R134a, R410a, R502\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Features\u003c\/td\u003e\n\u003ctd\u003eMesh vent, T-shaped heat fins, built-in fan, overheat protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eBottle of vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe VTG VOGTEN 4 CFM vacuum pump is a smart choice for technicians and hobbyists who need reliable, portable evacuation to deep vacuum levels without overspending. It balances solid pull-down performance, user-friendly oil maintenance features and protective cooling in a compact package, making it good value for residential HVAC, automotive A\/C and multipurpose workshop use.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this pump handle common refrigerants?\u003c\/strong\u003e\u003cbr\u003eYes, it is compatible with R12, R22, R134a, R410a and R502 via the 1\/4 in SAE inlet for typical service work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include oil so it can be used right away?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes a bottle of vacuum pump oil so the pump can be filled and placed into service immediately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for large commercial systems?\u003c\/strong\u003e\u003cbr\u003eIt suits residential and lighter commercial tasks; those servicing large commercial systems frequently should consider higher-capacity or two-stage units.\u003c\/p\u003e","brand":"VTG VOGTEN","offers":[{"title":"Default Title","offer_id":48234791633115,"sku":"B0DZH6VHCM","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71k-zhs2aTL._AC_SL1500.jpg?v=1770837438","url":"https:\/\/gearmusthave.com\/products\/4-cfm-vacuum-pump-1-3-hp-single-stage-rotary-vane-fast-evacuation","provider":"GearMustHave","version":"1.0","type":"link"}