Carrier check valves

philip1 · Aug 20, 2019

I ran into an old r22 carrier packaged unit that had two filters/ check valve in the unit. One check valve had was sweating just after the check valve, the other one was not. The bad check valve is the one that had no sweat just after it ? It is shut closed? Replace that one ?

Also head pressure high and suction low.

Thanks in advance

Poodle Head Mikey · Aug 20, 2019

This is a heat pump unit?

Once you open it up to replace the check valve - you have to replace both driers. So what's one more check valve? Just replace all of it.

PHM
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Poodle Head Mikey · Aug 20, 2019

beenthere · Aug 20, 2019

The one sweating may be the leaking/bleeding one.

Run a magnet along its side, to see if you can get it to reset.

philip1 · Aug 20, 2019

Yes, heat pump

Yes, the sweating one has Freon flow, the other one has no flow ?

The magnet will stop a chattering check valve, but not reset it ?

Carrier check valves

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