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HOME > HVAC > LENNOX > CB30M-51 > EXPANSION VALVE

Lennox CB30M-51 Expansion Valve

Almost all AC systems have an expansion valve that allows the coolant to expand back into vaporous form from a high pressure liquid state. The air conditioner for your house would probably be the worst AC in the world without the valve working properly.

How do you know when your Lennox expansion valve is crapping out?

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Check eBay to see if your expansion valve is in stock!
Before buying or ordering a replacement expansion valve for your Lennox CB30M-51, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the correct expansion valve is the one being purchased. You do not need to install it yourself. Hire someone with experience in your community to replace the part.
Feel free to download your manual for help.
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Check eBay for your expansion valve!