It's not the sail switch...it wouldn't ignite at all if it were. How long is it running before shutting off? A few seconds? minutes?
Do you have any access to the furnace? If there is any code it would be a series of flashes of the red light on the main board...if yours has one. Is it the original furnace?
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Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
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