{"title":"Vacuum Pump Oil","description":"\u003cp\u003eDeep vacuum pump oil for HVAC and refrigeration vacuum pumps. Mastercool 18oz (531ml) vacuum pump oil in single bottles and cases of 6. Regular oil changes maintain pump performance and achieve deeper vacuum levels. Compatible with all standard single-stage and two-stage HVAC vacuum pumps. Same-day dispatch from UK stock.\u003c\/p\u003e","products":[{"product_id":"mastercool-90018-6-vacuum-pump-oil-case-of-6-18oz-531ml-bottles","title":"Mastercool 90018-6 Deep Vacuum Pump Oil | Case of 6 x 18oz (531ml) Bottles","description":"\u003ch2\u003eMastercool 90018-6 Deep Vacuum Pump Oil | Case of 6 x 18oz (531ml) Bottles\u003c\/h2\u003e\u003cp\u003ePremium-grade mineral oil specifically formulated for use in \u003cstrong\u003edeep vacuum pumps\u003c\/strong\u003e used in refrigeration and HVAC applications. Buying by the case ensures you always have stock on hand and offers better value per bottle. Regular oil changes are essential to maintain deep vacuum performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU \/ Part No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90018-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 x 18oz (531ml) bottles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePremium mineral deep vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMastercool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eAlso Available\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/mastercool-90018-deep-vacuum-pump-oil-single-18oz-531ml-bottle\"\u003e\u003cstrong\u003e90018\u003c\/strong\u003e — Single 18oz bottle\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57029558337913,"sku":"90018-6","price":47.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Mastercool-90018-6-Vacuum-Pump-Oil-Case-of-6-18oz-531ml-Bottles-Ryan-Air-Conditioning-Spares-68945171775863.jpg?v=1775889183"},{"product_id":"vacuum-pump-oil-single-18oz-531ml-bottle-mastercool-90018","title":"Mastercool Vacuum Pump Oil 18oz (531ml) for HVAC Vacuum Pumps","description":"\u003cp\u003eMastercool vacuum pump oil is designed for use in HVAC vacuum pumps during system evacuation. It ensures consistent vacuum performance by removing moisture and contaminants from refrigeration and air conditioning systems, helping to achieve and maintain deep vacuum levels on every job.\u003c\/p\u003e\u003ch3\u003eWhen Do You Need to Change Vacuum Pump Oil?\u003c\/h3\u003e\u003cp\u003eVacuum pump oil should be changed regularly to maintain performance. Under normal use, oil should be replaced every 10–15 hours of operation, or immediately when it becomes cloudy or contaminated with moisture. Milky or discoloured oil is a sign of moisture ingress and will reduce vacuum depth if not changed.\u003c\/p\u003e\u003ch3\u003eWhy Vacuum Pump Oil Matters\u003c\/h3\u003e\u003cp\u003eClean vacuum pump oil is essential for achieving deep vacuum levels during system evacuation. Contaminated oil reduces pump efficiency, increases evacuation time and can lead to poor system performance and compressor damage on newly commissioned systems.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePremium-grade mineral oil specifically formulated for deep vacuum pumps\u003c\/li\u003e\n\u003cli\u003eHelps achieve deeper, more consistent vacuum levels\u003c\/li\u003e\n\u003cli\u003eRemoves moisture and contaminants from refrigeration systems\u003c\/li\u003e\n\u003cli\u003eMaintains pump performance and extends pump life\u003c\/li\u003e\n\u003cli\u003eSuitable for most HVAC vacuum pumps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOil Change Procedure\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eDrain oil when pump is warm\u003c\/li\u003e\n\u003cli\u003ePlace pump on a level surface with a drain pan under the drain valve\u003c\/li\u003e\n\u003cli\u003eOpen drain valve and oil fill valve; let oil drain fully to remove acid traces\u003c\/li\u003e\n\u003cli\u003eFlush by pouring a small amount of fresh oil through the fill port\u003c\/li\u003e\n\u003cli\u003eClose drain valve and fill to the sight glass mark\u003c\/li\u003e\n\u003cli\u003eRe-install oil fill cap, cap all intake ports and run pump for two minutes\u003c\/li\u003e\n\u003cli\u003eStop pump and confirm oil is at the correct level on the sight glass\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMastercool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18oz (531ml) single bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePremium mineral deep vacuum pump oil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eAlso Available\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/mastercool-90018-6-vacuum-pump-oil-case-of-6\"\u003e90018-6 — Case of 6 x 18oz bottles (better value for regular use)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eUsed With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/vacuum-pumps\"\u003eVacuum Pumps\u003c\/a\u003e — single and two-stage pumps for HVAC system evacuation\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/gauges-manifolds\"\u003eManifold Gauges\u003c\/a\u003e — for monitoring vacuum depth during evacuation\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/leak-detection\"\u003eLeak Detection Equipment\u003c\/a\u003e — for confirming system integrity before charging\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hvac-tools\"\u003eAll HVAC Tools \u0026amp; Equipment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKeep your vacuum pump performing at its best — order Mastercool vacuum pump oil today with fast UK delivery and trade pricing available.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch4\u003eAlso Available as Part of a Kit\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mastercool-vacuum-commissioning-kit\"\u003eMastercool Vacuum \u0026amp; Commissioning Kit\u003c\/a\u003e — with 90066 vacuum pump, Bluetooth vacuum gauge \u0026amp; core tool\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/mastercool-hvac-engineer-starter-kit\"\u003eMastercool Newly Qualified HVAC Engineer Starter Kit\u003c\/a\u003e — complete tool set for new engineers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mastercool","offers":[{"title":"Default Title","offer_id":57029649531257,"sku":"90018","price":7.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0158\/3481\/files\/Vacuum-Pump-Oil-Single-18oz-531ml-Bottle-Mastercool-90018-Ryan-Air-Conditioning-Spares-68945000890743.png?v=1775890073"}],"url":"https:\/\/www.airconspares.com\/collections\/vacuum-pump-oil.oembed","provider":"Airconspares.com","version":"1.0","type":"link"}