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Carrier 48XP042060300 Expansion Valve
Your HVAC system expansion valve permits the refrigerant to expand into its regular gaseous form from its highly pressured liquid form. A split-system AC unit would not generate and cold air if the expansion valve was either damaged or just not working properly.
Major signs of an ailing refrigerant expansion valve
- AC takes its sweet time in its effort to cool all the rooms in your house
- Cold air is not cold enough as it should be coming from the vents
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