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Lennox XC21 Expansion Valve
The air conditioner for your house cannot possibly cool the house if it were lacking a functioning expansion valve. Expansion valves are used in AC systems and allows the coolant to expand into its regular vapor state from its highly pressured liquid form.
Easy warnings that your Lennox expansion valve is going to die
- AC unit takes forever in a bid to keep the house cool as it should
- The cool flow of air is much warmer than you are accustomed to being blown into the house
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If you decide on picking up or purchasing a new Lennox XC21 replacement part, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the proper replacement expansion valve is the one being purchased. There is no need to install it yourself. Search for a pro in your community to pay to install it for you.
Feel free to download your manual for help.
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