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 HAC248GKA4 Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and ignitor from turning on so as to stop a potential explosion. You must have the device swapped out quickly if it is defective.
Major indications your furnace door switch is going to die
- The furnace will not even begin to start whether the door is open or closed
- The door mechanism appears as though it has been bent badly
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