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Carrier 50XZ060300 Expansion Valve
Your HVAC system expansion valve permits the refrigerant to expand into its normal low-pressure gas state from a high-pressure liquid form. Your main AC unit would not produce cooled air if the valve was missing.
Clues your main expansion valve is in need of replacing
- The air is not as cold as it really should be coming from the AC
- The outdoor AC unit takes too long in its bid to cool the indoors
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