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Lennox XP13-042 Expansion Valve
An expansion valve lets the coolant to expand into its regular gas form from a high pressure liquid state. Your main AC unit could not work if the valve was not functioning.
Signs of a weak main expansion valve
- The cool flow of air is not as cool as it ought to be blowing through the ductwork
- Your AC takes a long time trying to keep the house cool
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Before buying or ordering do your best and double check the correct model as well as make a visual comparison so that you are positive that the correct expansion valve is being ordered. The installing of a new expansion valve is a piece of cake provided you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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