Deep 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.
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Mastercool Vacuum Pump Oil 18oz (531ml) for HVAC Vacuum Pumps 
Mastercool Vacuum Pump Oil 18oz (531ml) for HVAC Vacuum Pumps
Mastercool Vacuum Pump Oil 18oz (531ml) for HVAC Vacuum Pumps
£7.52Sale price £7.52 Regular price -
Mastercool 90018-6 Deep Vacuum Pump Oil | Case of 6 x 18oz (531ml) Bottles 
Mastercool 90018-6 Deep Vacuum Pump Oil | Case of 6 x 18oz (531ml) Bottles
Mastercool 90018-6 Deep Vacuum Pump Oil | Case of 6 x 18oz (531ml) Bottles
£47.82Sale price £47.82 Regular price
Frequently asked questions
Yes. We supply professional HVAC engineers, refrigeration contractors, air conditioning installers, and facilities management companies across the UK. Trade accounts are available with preferential pricing and volume discounts.
We stock leading HVAC brands including Aspen Pumps, Sauermann, Blue Diamond, Javac, Mastercool, Armacell, K-Flex, Diversitech, and many more. All products are genuine OEM or manufacturer-approved.
Yes. Orders placed before 1PM on in-stock items are dispatched same day. We offer tracked delivery options across the UK.
Yes. Our trade team is available Monday to Friday 8AM to 4PM on 0161 775 1190 or at sales@airconspares.com. We can advise on product selection, compatibility, and specifications.