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Payne PH1ZNA030000AAAA Expansion Valve
Your home AC system contains an expansion valve that allows the refrigerant to expand into its regular vaporous form from its highly pressured liquid form. Air conditioning units would be impossible to cool the home without a properly functioning valve.
What are the clues to watch out for to know my refrigerant expansion valve is not working right?
- AC unit takes its sweet time in its attempt cool as it should
- The cooled air is much warmer than it really should be streaming from the vents
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