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Payne PH1ZNA036000AAAA Expansion Valve
Your home AC system contains an expansion valve that facilitates in helping the refrigerant to spread back into gas state from a high-pressure liquid form. The AC in a split system would be broken if the expansion valve was broken.
Subtle cues of a barely functioning main expansion valve
- The air conditioner takes a long time to comfortably bring down the temp in the house
- The air conditioned flow is definitely not as cold as you are accustomed to streaming from the vents
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