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 H9MPT050F12A1 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the blower and burner from starting so as to avoid injuries. You should have the switch be changed as soon as possible especially if you suspect it is not working properly.
Key clues of an ailing safety switch on the furnace door
- The HVAC system does not even thing about starting whether the door is open or closed
- The safety door switch seems chipped
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