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LG A3UH363FA0 Expansion Valve
Pretty much every air conditioning system has an expansion valve that lets the coolant to expand into its normal low-pressure vaporous form from its highly pressured liquid form. Any home AC unit would not produce cooled air if the valve was not working.
Signals of a faulty AC expansion valve
- Your cooling system takes a long time to actually bring down the temp in the house
- The cooled air is not cold enough as it used to be blowing from the vents
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