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
SPT TN-12E Furnace Door Switch
This switch stops the blower and burner from activating so as to avoid injuries. You should have the switch be replaced quickly if it is causing you problems.
Symptoms the switch on your furnace door is failing
- The HVAC system will not run whether the door is open or closed
- The switch seems broken
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