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
International Comfort Products NDN5050BFC1 Furnace Door Switch
The furnace door switch stops the blower and ignition sequence from turning on in order to prevent injury and fire. You should have the switch be exchanged for a new one promptly if it is not working in order to prevent injuries.
Red flags of a defective safety door switch
- The safety door switch looks eroded
- The furnace does not even thing about starting even when you close the door
This site contains affiliate links for which I may be compensated
Feel free to download your manual for help.
This site contains affiliate links for which I may be compensated