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Lennox XP19-042 Expansion Valve
Any home AC unit would probably be the worst AC in the world if the expansion valve was somehow damaged. Your home AC system contains an expansion valve that allows the refrigerant to spread back into vaporous form from its highly pressured liquid form.
Hints the AC expansion valve will need replacing
- Your AC unit takes its sweet time in its attempt keep the house cool
- The cool flow of air is warmer than the usual air comes through the ducts
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If you are going to be buying or ordering a new Lennox XP19-042 replacement part do your best and cross-check the model number and also make a visual inspection so that you are positive that the correct replacement expansion valve is the one being purchased. Once you have the part to install the part by yourself. Pay a professional locally to do it for you.
Feel free to download your manual for help.
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