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Carrier 48GP048090300 Expansion Valve
Your main AC unit would be worthless if the valve was worn out. Almost all AC systems have an expansion valve that facilitates in helping the refrigerant to expand into its normal low-pressure gaseous form from a high-pressure liquid form.
Easy warnings of a barely functioning main expansion valve
- AC takes too long to appropriately keep the temperature down
- The cooled air is much warmer than it really should be comes through the ducts
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