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Lennox 13ACD-030 Expansion Valve
Almost all AC systems have an expansion valve that allows the refrigerant to expand back into vapor form from a high pressure liquid state. An AC system could not emit cold air if the expansion valve was worn out.
Signs your refrigerant expansion valve will need to be replaced
- The air conditioned air is well below the temp it ought to be comes through the ducts
- AC unit takes way too long to comfortably bring down the temp in the house
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