Home > Air Conditioning Line Repair Tools > ZENY 3,5CFM Single-Stage 5 Pa Rotary Vane Economy Vacuum Pump 3 CFM 1/4HP Air Conditioner Refrigerant HVAC Air Tool R410a 1/4" Flare Inlet Port, Blue

ZENY 3,5CFM Single-Stage 5 Pa Rotary Vane Economy Vacuum Pump 3 CFM 1/4HP Air Conditioner Refrigerant HVAC Air Tool

1 4 " Flare Inlet Port, Vacuum Oiler, Oil Drain Plug, Pa Rotary Vane Economy Vacuum Pump, High Efficiency

9.1
9.1010
H&F Rating 174 reviews
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What We Like

  • Comes with non-slip handle that ensures a comfortable grip
  • Features direct drive motor that allows for easy starting
  • Equipped with an oil sight glass that allows to monitor the oil levels

Disadvantages

  • The pump may leak oil

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Results of our analysis:

We analyzed 3,885 reviews for 20 products in the Air Conditioning Line Repair Tools category.

We then analyzed 174 reviews for this product. Of these, 125 reviews were recent.

100% of reviews were positive.

Final Score:

9.15 out of 10, based on these factors:

  • Build quality
  • Compatibility
  • Customer support
  • Design
  • Easy to use
  • Overall satisfaction
  • Packaging
  • Size
  • Sturdiness
  • Value for money
  • Common Questions

    Q:

    Will it work for stabilizing wood in a vacumm chamber?

    A:

    I use it for that because I am at 1700+ ft elevation and pull 27 Hg on my gauge.

    Q:

    Where can I get the oil for this?

    A:

    It has 250ml of oil.

    Q:

    Will the pump pressurize to test for leaks as well as pull the vacuum?

    A:

    It's not meant to pull negative pressure by pulling air out of a space, it will not push air into a space, and even trying to do so will break the item or cause damage.

    Q:

    I put the one away because I didn't want to use it anymore, but I found out that I bought a r10a instead.

    A:

    I had a similar problem, I found a solution at a refrigeration supply.

    Q:

    I need a valve at the 14" fitting to prevent oil back flow after a pump shutdown. Anyone know of a link to one that would work?

    A:

    It is hard to give you a clear answer because you don't have any specific information as to what you are applying this pump to.

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