When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
Lennox CBX27UH-042 Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that determines if and when the air is warm enough to activate the main blower. Limit switches are crucial because if the air is not warm enough then you will never get hot air through the ducts.
What happens when my limit switch most likely is almost dead?
- The system is starting to run erratically occasionally
- The HVAC system refuses to kick in nor will it stay running like it ought to
This site contains affiliate links for which I may be compensated
Before you decide on buying or purchasing a new Lennox CBX27UH-042 replacement part do your best and double check the model number as well as make a visual comparison in order to be sure the right limit switch is the one being purchased. Once you have the part to install it yourself. Find a professional locally to replace the part.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
