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Whynter ARC-10WB Expansion Valve
Almost all AC systems have an expansion valve that allows the refrigerant to expand back to its low-pressure vapor form from a high pressure liquid state. Your air conditioner could not cool the air if the expansion valve was somehow damaged.
Major signs of a poorly working AC expansion valve
- Cold air is not as cold as it should be for the AC to cool the house
- Your AC takes way too long in its effort to cool all the rooms in your house
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