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HOME > HVAC > LENNOX > CB30U-31 > EXPANSION VALVE

Lennox CB30U-31 Expansion Valve

Air conditioning systems could not cool the air with no functioning valve. Expansion valves are used in AC systems and lets the coolant to expand back into vaporous form from a liquid.

What signals that my refrigerant expansion valve is failing?

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Check eBay to see if your expansion valve is in stock!
Before you decide on buying or purchasing a replacement expansion valve for your Lennox CB30U-31, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the proper replacement expansion valve is the one being purchased. The installing of the expansion valve is a breeze if you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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Check eBay for your expansion valve!