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HOME > HVAC > LENNOX > SPA048H4 > EXPANSION VALVE

Lennox SPA048H4 Expansion Valve

An air conditioning system would probably be the worst AC in the world if the valve was missing. A normal AC expansion valve permits the refrigerant to expand into its regular vaporous form from a high pressure liquid state.

What to see if the Lennox expansion valve is about to stop working?

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Check eBay to see if your expansion valve is in stock!
If you are going to be buying or purchasing a replacement expansion valve for your Lennox SPA048H4 do your best and double check the correct model and also make a visual comparison so that you are positive that the correct replacement expansion valve is being ordered. There is no need to install it yourself. Hire a pro locally to do the job for you.
Feel free to download your manual for help.
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Check eBay for your expansion valve!