Quote:
Originally Posted by engineer_gregh
I replaced my POA valve with the hi/lo pressure switch, flushed the system, and added the different oil required by 134a. I should have changed my condenser to a high flow as it doesn't cool as good as it should. In hind site I wished I had just had my POA re-calibrated and not gone with the switch. If you call vintage air I'm sure they could give some good advice on the necessary steps.
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Why do you wish you had the POA valve still? Could you replace the condenser and get better cooling?
Another suggestion I found was to add an electric fan to the condenser. What would turn that on/off?