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 G40UH-36B-090 Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and burner from activating so as to avoid injuries. It is quite important to have it traded for new one as soon as you can if it is defective.
Subtle hints your safety switch on the furnace door is in dire straights
- The furnace door switch seems fallen off
- The whole system does not fire up whether the door is off or on
This site contains affiliate links for which I may be compensated
Before you decide on buying or purchasing a replacement furnace door switch for your Lennox G40UH-36B-090 do your best and cross-check the correct model as well as make a visual inspection so that you are positive that the correct furnace door switch is the one being purchased. Replacing the furnace door switch is a breeze assuming you energy and have the tools to get it done.
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated
