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Lennox CB29M-21 Expansion Valve
An AC would be worthless if the valve was worn out. Pretty much every air conditioning system has an expansion valve that facilitates in helping the refrigerant to expand back into gas state from a high pressure liquid state.
Some warnings that your Lennox expansion valve has very little life left
- The air conditioned flow is not as cold as you are accustomed to comes through the ducts
- The outdoor AC unit takes forever to comfortably keep things cool
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Before buying or ordering any Lennox CB29M-21 replacement part do your best and cross-check the model number and also make a visual comparison in order to be sure the correct expansion valve is the one being purchased. There is no need to install the replacement part alone. Find a professional in your area to do it for you.
Feel free to download your manual for help.
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