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Carrier 58MXA140 Expansion Valve
An air conditioning system would produce no cooled air if the valve was not functioning. Your home AC system contains an expansion valve that allows the coolant to expand into its normal low-pressure vapor form from a high pressure liquid state.
Some warnings that your Carrier expansion valve is on its last leg
- The cooling system takes its sweet time to appropriately keep the temperature down
- The cold airflow is much warmer than it ought to be being blown into the house
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