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 NDN5050BFA1 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the draft inducer and burner from activating in order to prevent injury and fire. It is crucial to have this part swapped out as soon as you can if you suspect that it is not working.
What are some indications that my furnace door switch is almost dead?
- The HVAC system does not function with the door closed
- The door mechanism appears as though it has been eroded
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