surburban furnace will not light
sf -35 # 963105899 in 97 allegro bus. Furnace goes thru steps but does not light. I have 12 volts to relay, temp sensor, sail switch , to circuit board. Fan runs ,But I do not smell propane out exhua...
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I just went through the same thing. Had the furnace pulled and there was a small birds nest sitting on top of the furnace right over the gas jets. Removed it and all is well. Have to get some screens for the furnace vents.
