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Carrier 48XZ036060300 Expansion Valve
An expansion valve makes it easier for the refrigerant to expand back into vaporous form from a high-pressure liquid form. A split-system AC unit would be impossible to cool the home if the valve was not working.
Important signs your refrigerant expansion valve is in dire straights
- The air is not as cold as it really should be coming from the air handler
- The air conditioner takes too long to appropriately bring down the temperature
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