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Lennox 13ACX-042 Expansion Valve
A split-system AC unit could not run if the valve was not working. A normal AC expansion valve lets the coolant to expand into its normal low-pressure gas form from a liquid.
Clues to watch for to know that your Lennox expansion valve has little life left
- AC air production is not as cold as it used to be coming into the home
- AC takes too long to properly bring down the temp in the house
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Before you decide on buying or ordering any Lennox 13ACX-042 replacement part, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the proper replacement expansion valve is being ordered. There is no need to install it yourself. Find a professional in your community to do the job for you.
Feel free to download your manual for help.
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