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Lennox XC21-024 Expansion Valve
Almost all AC systems have an expansion valve that lets the coolant to spread back into gas form from its highly pressured liquid form. Your main AC unit would probably blow heated air if it were lacking a functioning expansion valve.
Some clues poorly running main expansion valve
- Air flow is not cold enough as it used to be exiting the vents
- AC unit takes way too long in its attempt keep things cool
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Before buying or purchasing a new Lennox XC21-024 replacement part, do your due diligence and double check the correct model as well as make a visual comparison so that you are positive that the right expansion valve is being ordered. The installing of a new expansion valve is a piece of cake provided you possess the knowledge and have the tools to do it right.
Feel free to download your manual for help.
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