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Lennox XC21-060 Expansion Valve
The AC in a split system would probably be the worst AC in the world without a properly functioning valve. Expansion valves are used in AC systems and lets the coolant to expand back into vaporous form from a high pressure liquid state.
Major clues your main expansion valve is in dire need of a replacement
- Air flow is definitely not as cold as than the usual air as it comes from the air conditioning unit
- Your AC takes a really long time trying to keep the home at a comfortably cold temperature
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If you are going to be buying or ordering any Lennox XC21-060 part, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the right expansion valve is being ordered. There is no rule that says you have to install the replacement part alone. 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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