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Goodman GMS90453BXA Expansion Valve
An air conditioning system could not work if the expansion valve was somehow damaged. Pretty much every air conditioning system has an expansion valve that lets the coolant to expand back into gas state from a high pressure liquid state.
Elements of a poorly performing main expansion valve
- The outdoor AC unit takes its sweet time in its attempt cool
- The air conditioned air is much warmer than it should be for the AC to cool the house
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