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 CB30U-21 Furnace Door Switch
A furnace door switch is a safety feature that blocks the draft inducer and burner being triggered to start so as to avoid injuries. You should really have it changed swiftly especially if you suspect it is not working properly.
Some warnings of a weak safety furnace door switch
- The door switch seems to be stuck
- The furnace does not turn on with the door closed
This site contains affiliate links for which I may be compensated
If you are going to be buying or ordering a new Lennox CB30U-21 replacement part do your best and make sure of the correct model and also make a visual comparison in order to be sure the proper replacement furnace door switch is being ordered. Replacing a new furnace door switch can be quite easy if you have the know-how and have the proper tools to get it done.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
