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Carrier 38TPA060 Expansion Valve
A split-system AC unit would be worthless if the valve was not present Pretty much every air conditioning system has an expansion valve that allows the refrigerant to expand into its normal low-pressure vapor state from a high-pressure liquid form.
Key signs of a dying refrigerant expansion valve
- AC air production is warmer than it should be exiting the air handler
- The cooling system takes its sweet time to actually keep the temperature down
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