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Carrier 48JZ036090300 Expansion Valve
Expansion valves are used in AC systems and permits the refrigerant to expand into its regular vaporous form from its highly pressured liquid form. A split-system AC unit would not produce cooled air if the expansion valve was somehow damaged.
Key signs to watch for in a failing expansion valve
- The cooling system takes too long to appropriately keep the house cool as it should
- The cold airflow is warmer than it ought to be coming into the house
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