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Carrier FF1DNA018075AAAA Expansion Valve
An expansion valve allows the coolant to expand into its regular vapor form from a high-pressure liquid form. Your AC cannot possibly cool the house if the expansion valve was broken.
Important signs your main expansion valve is dying
- The air conditioned flow is not cold enough as than the usual air blowing through the ductwork
- AC unit takes way too long to cool the house down
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