{"product_id":"nilight-3-5-cfm-hvac-vacuum-pump-kit-r22-r134a-r410a-oil-included","title":"Nilight 3.5 CFM HVAC Vacuum Pump Kit – R22 R134a R410a","description":"\n\u003ch2\u003eNilight 3.5 CFM Single-Stage HVAC Vacuum Pump Kit\u003c\/h2\u003e\n\u003cp\u003eKeep your HVAC and automotive AC systems running at peak performance with the \u003cstrong\u003eNilight 3.5 CFM Single-Stage Vacuum Pump\u003c\/strong\u003e. Engineered for professional-grade air conditioning servicing, refrigerant recharging, and refrigeration maintenance, this pump delivers a powerful ultimate vacuum of \u003cstrong\u003e5 Pa\u003c\/strong\u003e — making it one of the most capable tools in its class. Oil is included so you can get started right out of the box.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful 4-Pole All-Copper Motor:\u003c\/strong\u003e The 1\/4 HP (110V) motor delivers 3.5 CFM free air displacement at 1720 RPM, reaching an ultimate vacuum of 5 Pa for fast, thorough evacuations. Advanced rapid-cooling technology prevents overheating for long-term reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser-Friendly Design:\u003c\/strong\u003e Die-cast aluminum housing ensures durability and reduced maintenance. An oil inlet and graduated oil sight glass make checking and replenishing oil easy. A simple on\/off switch, comfortable carry handle, and non-slip rubber base provide safe, convenient operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Backflow Protection:\u003c\/strong\u003e The anti-backflow design prevents refrigerant from flowing back into the pump, ensuring safe, worry-free operation during every job.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Refrigerant Compatibility:\u003c\/strong\u003e Works with \u003cstrong\u003eR22, R404a, R134a, and R410a\u003c\/strong\u003e refrigerants. Fitted with a standard 1\/4\" SAE inlet, this pump is ready for HVAC, automotive AC, laboratory, and packaging applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet \u0026amp; Clean Operation:\u003c\/strong\u003e Advanced noise-reduction technology keeps operating noise at or below 65 dB. The oil cap features a built-in cotton filter that separates oil mist from exhaust gas, protecting your workspace and the environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Cold-Start Performance:\u003c\/strong\u003e Excellent starting torque design ensures reliable startup even at lower ambient temperatures and voltages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE and UL certified for safety and quality assurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFree Air Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRotating Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1720 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUltimate Vacuum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Pa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤65 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInlet Fitting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4\" SAE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Refrigerants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR22, R404a, R134a, R410a\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDie-cast aluminum (open-type)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Perform a Leak Check\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect the vacuum pump inlet to a vacuum gauge.\u003c\/li\u003e\n  \u003cli\u003eTighten all inlets securely, then start the pump.\u003c\/li\u003e\n  \u003cli\u003eAfter a few minutes, check for oil mist at the exhaust. \u003cstrong\u003eNo oil mist = pump is operating correctly.\u003c\/strong\u003e Continuous mist or smoke indicates a possible leak in the AC system connections.\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: A standard refrigerant pressure gauge cannot measure vacuum levels. Always use a dedicated vacuum gauge and verify all external connections are firmly tightened.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Nilight Single-Stage Vacuum Pump (3.5 CFM)\u003c\/li\u003e\n  \u003cli\u003e1× Vacuum pump oil (included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About HVAC Safety\u003c\/h3\u003e\n\u003cp\u003eProper handling and recovery of refrigerants is essential for environmental safety. Learn about EPA guidelines for refrigerant management at \u003ca href=\"https:\/\/www.epa.gov\/section608\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eEPA Section 608 – Refrigerant Management\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What refrigerants is the Nilight 3.5 CFM vacuum pump compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This HVAC vacuum pump is compatible with R22, R404a, R134a, and R410a refrigerants, making it suitable for a wide range of residential and commercial air conditioning, automotive AC, and refrigeration servicing applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the Nilight vacuum pump come with oil?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Vacuum pump oil is included in the kit so you can begin using the pump immediately. The graduated oil sight glass on the unit makes it easy to monitor oil levels and top up as needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this vacuum pump suitable for automotive AC servicing?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The Nilight 3.5 CFM pump's 1\/4\" SAE inlet fitting and compatibility with R134a and R1234yf-adjacent refrigerant families make it an excellent choice for automotive air conditioning service, refrigerant recharging, and system evacuation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How loud is this HVAC vacuum pump during operation?\u003c\/h4\u003e\n\u003cp\u003eA: Thanks to built-in noise-reduction technology, the pump operates at 65 dB(A) or less — comparable to a normal conversation — making it comfortable to use in workshops and residential settings.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What refrigerants is the Nilight 3.5 CFM vacuum pump compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This HVAC vacuum pump is compatible with R22, R404a, R134a, and R410a refrigerants, making it suitable for a wide range of residential and commercial air conditioning, automotive AC, and refrigeration servicing applications.\"}}, {\"@type\": \"Question\", \"name\": \"Does the Nilight vacuum pump come with oil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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