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suburban SF 42 problem


GlennWest

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Posted

 I would suggest to install a wire on the igniter wire and then the other end about an 1/8" from a ground. Turn on furnace with the switch on the outside. Furnace must be turned on for heat inside first.

 This will tell if board is good. The board is sendinding power to the gas valve. 

 

 If it has spark then pull igniter after shutting off the gas. There may be a bug in the oriface also.

 

just a thought,.  Vern

Posted

Glenn I had that problem and determined my gas valve was sticking. Since you smell propane I would focus on the ignitor.

Dave and Lana Hasper

Posted

Natural gas and propane are both wet gases.  In the natural gas they have compressors and dryers that remove the accumulated moisture, in propane, well as you have now seen, the system rots from the inside out.

Jim's Adventures

Old Spacecraft.... Who knows whats next

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