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 TCH436AKA1 Furnace Door Switch
The furnace door switch blocks the blower and ignition sequence from starting in order to prevent injury and fire. It is imperative that the switch be traded for new one quickly if it is defective in some way or another.
Do you know if your furnace door switch is failing?
- The furnace will not begin with the door closed
- The safety door switch appears as though it has been breaking apart
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