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Lennox 14ACX-018 Expansion Valve
Your main AC unit cannot possibly cool the house if the expansion valve was worn out. A normal AC expansion valve permits the refrigerant to spread back into gaseous form from a high pressure liquid state.
Key signs to watch for in a bad AC expansion valve
- The cool flow of air is not as cool as it ought to be exiting the air handler
- Your AC takes too long in its effort to bring down the temp in the house
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