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International Comfort Products H8MPN150J20A1 Expansion Valve
A split-system AC unit can not run if the valve was not functioning. Almost all AC systems have an expansion valve that permits the refrigerant to expand into its normal low-pressure gas state from a high pressure liquid state.
What signals that my AC expansion valve is failing?
- The air conditioned flow is not cold enough as it really should be coming from the vents
- Your AC takes its sweet time to properly keep things cool
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