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Your cart is empty.Mastercool 90066 6 CFM Vacuum Pump.Single Stage.Free Air Displacement: 6 CFM.Ultimate Vacuum: 75 Microns.Motor: 1/4 HP.Pump Speed: 1720 RPM.Electrical Specs: 110 V / 60 HZ.
Persona_Alio
Reviewed in the United States on June 18, 2013
A hefty, powerful pump that works great. It came with a large bottle of oil, which was just enough to fill up the pump. It works well for operating a dairy surge milker, but it can produce exhaust, so may want to be in a well-ventilated area and/or pipe the exhaust away.EDIT: 4 years later, and this pump is still in great condition. Also, I don't get much exhaust or smoke anymore, so perhaps that was just due to bad oil.
Hobbyist
Reviewed in the United States on May 1, 2010
I bought this pump in an on-line auction... used for one job by the first owner. It arrived in like-new condition in the original box with all papers and packing materials. I have used it on residential HVAC service calls, replacing split condensing units 3 times, installing a new split system once, and replacing compressors 2 or 3 times. I have not used it on MVAC to date, but will do so soon because I sold the other pump I was using. Inclusion of the ACME port is a plus for those doing both HVAC and MVAC.I have changed the oil two times in two years intermittent usage. Keep in mind I'm in Arizona and do not have much moisture in systems I evacuate. I plan to change the oil again this week after two recent pump-downs on residential AC units. I also plan to adjust/tighten the packing nut to see if this improves sealing of the shut-off valve. Recent use indicated a loss of 600+ microns when turning the valve to closed. See my other review of the Yellow Jacket 69075 vacuum gauge.Overall I am very pleased with this unit.
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