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Carrier 58STX09010014 Expansion Valve
Your home AC system contains an expansion valve that allows the refrigerant to expand back into vaporous form from a liquid. The AC in a split system would not generate and cold air if it were to lack a properly working expansion valve.
Some warnings of a worsening refrigerant expansion valve
- The cooling system takes way too long in its effort to bring down the temperature
- The air conditioned flow is not as cool as than the usual air blowing from the vents
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