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HOME > HVAC > LENNOX > G40UH-60D-155 > LIMIT SWITCH

Lennox G40UH-60D-155 Limit Switch

Limit switches are crucial because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch in the heating area that makes the determination when the air is warm enough for the main blower to kick in and circulate the air.

General warnings of an inadequate critical limit switch

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Check eBay to see if your limit switch is in stock!
Before buying or ordering any Lennox G40UH-60D-155 part, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the correct limit switch is being ordered. There is no rule that says you have to replace the part all by yourself. Pay a professional locally to do the job for you.
Feel free to download your manual for help.
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Check eBay for your limit switch!