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Carrier 50GX048300 Expansion Valve
Your home AC system contains an expansion valve that allows the refrigerant to expand into its regular vaporous form from a high-pressure liquid form. The air conditioner for your house could not work if the expansion valve was broken.
Signs of a bad main expansion valve
- Cold air is definitely not as cold as it should be coming from the air handler
- AC unit takes way too long to properly cool the indoors
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