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Compressor or Reversing Valve
I've had a heat pump failure and have had two techs look at it. Tech A says it's a bad reversing valve. Tech B says it's a bad compressor.
Tech B says is can't be a bad reversing valve, because when those valves fail, they fail either in the heat position or the cool position, or a bi-flow position (in the middle). In all three cases, he says, there should be a change in the coolant pressure when you start the compressor, if it's working. Tech A says that in the bi-flow failure mode there will be no change in pressure when you start the compressor, even if it's working. Who is right? Thanks, Steve |
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It does not make a difference who is correct. The problem you have is choosing between two servicemen. I would call a third person to check both of the others estimates.
In all cases there will be some kind of change in the pressure upon start up. |
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