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2025-09-07 11:15:42
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Ardy
2025-07-26 15:41:21
Great Product, Works Perfect for our needs and easy to use.
river
2025-07-17 19:44:50
The product is average, with satisfactory suction power, low noise, sufficient vacuum pump oil, and user-friendly operation. However, it does not have the functionality that my friends mentioned, which allows it to be used as both a vacuum pump and an air compressor.
oggy
2025-06-21 12:33:09
This pump pulled negative 30 psi for a 16 foot line but never reached 30psi for a 25 ft line. I didn't use a schrader valve remover tool and that is something I would do differently since the obstruction might've made a difference. I simply don't trust the pump was strong enough to pull a strong vacuum on a 25 foot line, (50 feet if you add both lines)..... But it worked flawlessly, never leaked, never smoked. I ran it for 4 hours on a single line and it all held negative 25 psi, but didn't reach negative 30 psi on the 25 foot line.If I had a 16 or 10 foot line I would use it again, but for 25 feet of line I think it leaves humidity and air in the line. I didn't use a micron gauge so I don't KNOW, but I suspect it left humidity in the line, although the two units are up and running very cold air. I don't see any bad effects from using this vacuum pump on two zones, but I suspect it was not 100% successful in removing all humidity and air. It was maybe 95% successful. That's my suspicion and I can live with it and the units are working fine.If money is no object then definitely buy the $200 pump with 2 stages and more cfm and a micron gauge and a schrader valve core removal tool. Yes, the $400 will probably be worth it.If you have more time than money then run this pump for 6 hours or even 10 hours if you monitor the oil level and if it holds the vacuum then let the refrigerant into the line set and live with it.
Alvaro Apestegui-Barzuna
2025-06-08 20:55:35
Excelente
Persnickety
2025-03-26 11:14:30
We used this and a connection kit to vacuum our mini split refrigerant system out. This pulled the recommended vacuum easily and worked like a charm. This has an oil reservoir that must be filled before using it. And the price of buying the vacuum plus the connection kit was many times cheaper then any of the HVAC specialists we got quotes from.The mini split we installed using this has been working perfectly for about a year, and hopefully will continue to do so.
D. Rothenbusch
2025-02-26 15:28:22
I needed a pump for a vacuum press that I purchased. Another, more expensive ( four times the cost of the Zeny ) pump was recommended for use with the vacuum press. As the saying goes "you get what you pay for", I was skeptical but bit the bullet and ordered it anyway. Upon receiving the pump, I noted that it was well packaged and even came complete with the pump oil (none of the other pumps that I looked at did). After having to track down a hose adapter (no fault of Zeny) I was able to put this little bad boy to work. Runs great and is pretty darn quite! I was expecting the noise level of a portable electric tire pump and was pleasantly surprised when I turned it on inside of my garage and it just hummed. Since I only need to run it for a few seconds every time (5-6 time per day), I think this little pump will last for quite a while. I will buy again if I ever have the need!
Mark A.
2025-02-12 10:35:17
Only used a few times but performed great. Not sure if it could be applied to commercial use.
Marc Audet
2025-02-06 15:07:30
Légère et compacte, parfait pour service résidentiel
Customer
2025-02-01 14:14:03
Works greats pulls a great vacuum and was a good price
Roger
2024-12-18 09:13:39
Difficult to rate, because of my issue, but had I not had the issue I probably would have kept the unit and rated it higher. I was disappointed that this unit went off on overload twice, so I felt I couldn't trust it. Maybe I just had bad luck. It looked good, and well made. It did run and pull a vacuum, but I didn't have confidence that it would have a long life, or go off on overload and not re-set.
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