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This is our pneumatic 4.2CFM air operated vacuum pump. It is easy to operate, simply connect the Air Line and it pulls full vacuum in less than 2 minutes. This air vacuum pump is ideal for automotive air conditioners, home air conditioners, refrigerators and freezers. The air vacuum pump is a AC pump that eliminates moisture from air conditioning systems, making it safe and easy to add refrigerant.
Feature
Easy to Operate, Simply Connect the Air Line and it Pulls Full Vacuum in Less Than 2 Minutes
Suitable for R134a and R12 Automotive Use, Includes Fittings
Venturi-Type AC Pump Eliminates Moisture from Air Conditioning System, Makes It Safe and Easy To Charge Refrigerant
Perfect for Automotive Air Conditioning System, Home Air Conditioner, Refrigerators, Freezers and Much More
Specifications
Vacuum Port: 1/2" ACME (R134a) & R12 Connector
Vacuum Capacity: 28.3” of Mercury at sea level @ 90 PSI
Air pressure Range: 75 PSI -180 PSI
Air Consumption: 4.2 CFM @ 90 PSI
Air Inlet: 1/4” - 1/8NPT
Material: Front connection:aluminum
thick connection: cooper
1 x Vacuum Pump
Christophe Achilles
August 13, 2025
I bought this for the occasional project where I need to vacuum bubbles out of silicone or epoxy and it works well. I actually removed the "mechanism" out of the case for simplicity, and mounted it to the side of my vacuum pot. It's just a simple all plastic venturi vacuum pump so it is quite minimal inside. I bought this over an actual vacuum pump, as I already have a compressor, and don't need to have it operated for long periods so I didn't need a dedicated vacuum pump. I've got a 100 gallon compressor, and I think my compressor is a bit on the weak side, so after like 10 minutes of constant flow / vacuum, I start to drop pressure in my tank, and this pump needs 90 psi of inlet pressure to maintain the 30 psi of vacuum. I'm going to add a valve between my pump and tank, so that once I reach my 30 psi of vacuum, I'll hold the internal vacuum and recharge my compressor.
James F. Gorton
August 6, 2025
This is a aspirated vacuum requiring constant air supply. It does pull a sufficient vacuum, however vacuum I lost when air supply is lost.
Chew
July 20, 2025
As a field tech on heavy equipment, our shop has a similar one from MATCO tools. This one gets down to about -25HG. MATCO one struggles to get to -20HG. Well worth the money as long as you have enough air to support it! Would buy again!
Jess
July 4, 2025
I have had this pump for about 6 months now and have been really struggling if I should do a review on it or not. I use it for pulling a vacuum on a small vacuum chamber and it works ok, If you have a air compressor that puts out a lot of volume. I would not use this pump for evacuating a A/C system unless you have a air compressor that puts out more than 4.2cfm @90psi. Its pointless to buy this pump because it's cheap but then you have to buy a bigger compressor just to run it. I would say if you have a 6-7cfm at 90psi compressor you could run this pump for a long enough time to properly evacuate a A/C system.
M Alicea
July 1, 2025
I have been using this product for about a year and it is absolutely essential for a mobile technician that does this for a living and do not have a electrical power available, it just works, my compressor is regulated to 90-psi and i get 25 - 27 inch pounds of vacuum. If at least 25 inch pounds of vacuum is not achieved you may have a leak in the system which is easily verified with a ten minutes vacuum test and see if its holds vacuum, you must use quality gauges for a accurate test result, in a perfect world you don't loose any vacuum but if the lost is minimum 2 inch pounds i am good with it, if you loose more than 2 inch pounds you may have a leak especially if it is a rapid lost. it gets the job done period.
Admin
June 28, 2025
You need 29.92 in of Mercury measurement to boil water at 70° f you need 26.74 in of mercury, as a measurement, to boil water at 60° f and here's where the problem lies. I can't pull any more than about 26 in of mercury with this at 150 psi shop air. I can only pull 23 to 24 in of Mercury at the 90 PSI that all these tools will say is the max pressure that you can use on them. Which means that you won't be able to get all the moisture out of the system, which means this tool is okay for getting the bulk of the moisture out of the system let's say after you replace a component and Atmospheric air is able to rush into everything, but not everything. Had to go and purchase an electric vacuum pump to be able to properly vacuum a system, and I'm going to recommend everyone stays away from this.
kyle gilpin
April 22, 2025
great price
Josh
April 8, 2025
If you're a pro, you best not be caught with this. Everybody else, this works enough. As in better than not pulling a vacuum at all. With a small, pancake air compressor, it'll kind of work. If you open your a/c system you should at least change out the accumulator or drier and a pull a vacuum. Buy this if you won't buy a real vacuum pump. I do recommend for keeping your personal vehicle nice and climate controlled.
Mark Rangeloff
April 4, 2025
Very happy with purchase, did what it’s supposed to do
ERIK A VAN
March 11, 2025
Was good enough to draw 25inHg vaccum in the rebuilt AC system in my Ford. Looks to be pretty cheaply made otherwise, but it works.
JEAN PIERRE
March 6, 2025
Pull ait on Argo Tires
Brenda
January 16, 2025
This is not very good quality. Mine arrived damaged but may still have worked. Problem ok if you are only doing one or two jobs.
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