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Carrier 48GP024060300 Expansion Valve
Pretty much every air conditioning system has an expansion valve that lets the coolant to expand into its normal low-pressure vapor form from a high-pressure liquid form. The AC in a split system could not emit cold air if it were lacking a functioning expansion valve.
Some clues your refrigerant expansion valve is dying
- AC takes forever to comfortably keep things cool
- AC air production is definitely not as cold as you are accustomed to coming into the house
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