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International Comfort Products C8DNL100L20A1 Expansion Valve
Expansion valves are used in AC systems and allows the coolant to expand into its normal low-pressure gaseous form from a liquid. An AC system would be worthless if the expansion valve was worn out.
Warnings the expansion valve is on its last leg
- The cold airflow is well below the temp it should be coming from the air handler
- AC unit takes too long to comfortably cool all the rooms in your house
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