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Carrier FV4BNF003000 Expansion Valve
Pretty much every air conditioning system has an expansion valve that makes it easier for the refrigerant to expand back to its low-pressure gaseous form from a liquid. The AC for your home would probably be the worst AC in the world if the expansion valve was either damaged or just not working properly.
Chief elements of a faulty expansion valve
- The air is not cold enough as you are accustomed to coming into the house
- AC unit takes a long time to cool the indoors
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