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Carrier 48HJE008 Expansion Valve
Almost all AC systems have an expansion valve that allows the coolant to expand into its normal low-pressure vapor form from a high pressure liquid state. An AC system can not supply your house with cold air without a working expansion valve.
Warnings of a poorly working main expansion valve
- Your AC takes a really long time in a bid to keep the temperature down
- The air is not as cool as it ought to be for the AC to cool the house
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