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Lennox G40UH-48B-090X Expansion Valve
Expansion valves are used in AC systems and allows the coolant to expand into its normal low-pressure gas state from its highly pressured liquid form. An AC would not generate and cold air if the expansion valve was somehow damaged.
Red flags your refrigerant expansion valve will soon need to be replaced
- The cooling system takes a really long time in attempting to keep the home at a comfortably cold temperature
- The air conditioned air is well below the temp it ought to be exiting the vents
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Before buying or ordering a new Lennox G40UH-48B-090X replacement part, do your due diligence and cross-check the correct model as well as make a visual comparison in order to be sure the proper replacement expansion valve is being ordered. There is no need to install the replacement part alone. Hire someone with experience locally to hire and install the part for you.
Feel free to download your manual for help.
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