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Carrier 50GL036300 Expansion Valve
The AC in an HVAC system would probably be the worst AC in the world if it were lacking a functioning expansion valve. Almost all AC systems have an expansion valve that permits the refrigerant to spread back into gas state from a high pressure liquid state.
Indications the AC expansion valve should need replacing
- Air flow is not as cold as it ought to be coming from the air handler
- Your AC unit takes too long in its bid to cool the home
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