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Lennox G40DF-36A-070X Expansion Valve
A normal AC expansion valve allows the coolant to expand back into gaseous form from its highly pressured liquid form. Any air conditioner would not produce cooled air when lacking a functioning expansion valve.
Symptoms the expansion valve is failing
- The cool flow of air is warmer than you are accustomed to comes through the ducts
- Your cooling system takes a really long time trying to cool the indoors
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Before buying or purchasing, do your due diligence and double check the model number as well as make a visual comparison so that you are positive that the correct expansion valve is the one being purchased. Once you have the part to replace the part all by yourself. Search for a pro in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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