Lance furnace
It seems like the furnace cycles for too short of time ...can comes on then burner comes on for a minute or two then Shuts off and the fan continues to run for a minute mostly colder air....does get u...
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I had the exact same problem as the OP described...Furnace is an Atwood 15/22...Making a field repair, the sail switch was fine...Problem was the igniter gap out of adjustment...Igniter is behind the gas valve (up high - 1 red wire) and the contact gap was found to be 1/4". I squeezed them back to the factory setting of 1/8" and all was fine again...also, check out the red wire connectors and continuity before removing igniter.
Good Luck,
3 tons
Good Luck,
3 tons
