Atwood 8531 furnace won’t stay lit
My furnace keeps turning on and lighting but goes out after about 10 seconds. I replaced the burner and igniter last winter along with the blower cage.
Forum Discussion
Most likely, like Nick said! Sail switch.... There are lots of Tube videos to assist you in diagnosing.
https://youtu.be/KBUTJMkrFlg?si=ShWPVU5BJHXbeHoP
Jim.
