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
Nordyne MS3BC018KA Furnace Door Switch
A furnace door switch is a switch that prevents the blower and ignition sequence being triggered to start so as to avoid injuries. You must have the device replaced promptly if it is defective.
What signals that my furnace door switch is almost dead?
- The door switch is broken badly
- The system will not even begin to start even with the door 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