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DeLonghi PACL90 Expansion Valve
Your home AC system contains an expansion valve that permits the refrigerant to expand back into its natural gas form from its highly pressured liquid form. Your air conditioner would not yield any cooled air if the expansion valve was either damaged or just not working properly.
Signals of a declining main expansion valve
- The outdoor AC unit takes a long time in attempting to keep things cool
- Cold air is not as cool as than the usual air exiting the vents
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