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
Lennox 14ACX-036 Furnace Door Switch
The job of the furnace door switch blocks the blower and burner being triggered to start in order to prevent injury and fire. It is quite important to have it substituted for a new part quickly especially if you think it is defective.
Main clues your furnace door switch will eventually need to be replaced
- The HVAC system will not fire up whether the door is off or on
- The furnace door switch has been 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