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 H9MPD050F12C2 Furnace Door Switch
This switch inhibits initial fan and ignitor from activating so as to avoid injuries. Do not try to fix it, just have it traded for new one ASAP if it is causing you problems.
Red flags of a bad switch on the furnace door
- The door switch looks as if it has been messed up
- The HVAC system does not turn on whether the door is open or closed
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