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 G43UF-48C-090 Furnace Door Switch
A furnace door switch is a safety feature that blocks the vent fan and ignition sequence from switching on so as to stop a potential explosion. It is vital that this part be traded for new one ASAP if it is damaged so as to prevent something bad happening.
Clues to watch for in a failing safety door switch
- The switch seems to be wrong
- The furnace will not fire up even with the door closed
This site contains affiliate links for which I may be compensated
If you are going to be buying or purchasing a new Lennox G43UF-48C-090 replacement part, do your due diligence and cross-check the correct model and also make a visual inspection so that you are positive that the proper replacement furnace door switch is being ordered. There is no rule that says you have to install the part by yourself. Hire someone with experience locally to do it for you.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
