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Carrier 25HPA318A0030010 Expansion Valve
Your home AC system contains an expansion valve that makes it easier for the refrigerant to expand into its regular vapor state from a high-pressure liquid form. The AC in a split system can not deliver properly cooled air without a properly functioning valve.
Signs of a declining expansion valve
- Your AC unit takes forever in its attempt bring down the temperature
- The cold airflow is definitely not as cold as it really should be coming out of the vents
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