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International Comfort Products N8MPN100F20A1 Expansion Valve
Almost all AC systems have an expansion valve that permits the refrigerant to expand back into gas form from a high pressure liquid state. Air conditioning units would not produce cooled air if the expansion valve was totally worn out.
Symptoms your main expansion valve is dying
- Air from the AC is not cold enough as it should be coming from the vents
- Your AC unit takes way too long to comfortably cool all the rooms in your house
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