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Carrier 58MSA080 Expansion Valve
Pretty much every air conditioning system has an expansion valve that allows the refrigerant to expand into its regular gaseous form from its highly pressured liquid form. Your AC could not cool the air if the expansion valve was broken.
How do you know when your main expansion valve is almost dead?
- Air from the AC is well below the temp it really should be streaming from the vents
- The outdoor AC unit takes too long to cool your home
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