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Lennox XC21-036 Expansion Valve
Any home AC unit would probably blow heated air without a working expansion valve. An expansion valve allows the coolant to expand into its regular vapor state from a high pressure liquid state.
Major symptoms your main expansion valve will not live much longer
- Your AC unit takes way too long in attempting to keep things cool
- Cold air is not as cool as it should be being blown into the house
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If you decide on picking up or ordering a replacement expansion valve for your Lennox XC21-036 do your best and make sure of the correct model as well as make a visual comparison in order to be sure the right expansion valve is being ordered. Installation of the expansion valve is a breeze provided you have the know-how and have the proper tools to get it done.
Feel free to download your manual for help.
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