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Lennox 10ACE-036 Expansion Valve
Your main AC unit would not generate and cold air if the expansion valve was totally worn out. A normal AC expansion valve permits the refrigerant to expand back into its natural vaporous form from its highly pressured liquid form.
What are the clues to watch out for to know my refrigerant expansion valve is failing?
- AC takes too long trying to bring down the temperature
- Cold air is not as cold as it used to be blowing through the ductwork
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