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Subject: Atwood Furnace problems:

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COOPERHAWK User is Offline

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East Central Minnesota

03/30/2008 5:05 PM
The rear furnace in my 1985 345 is an Atwood Everest Star model 7900 II/ 8000 II. The furnace is in fine shape, but the circuit board is corroded and shot. I ordered a new board from Dinosaur Boards, however this furnace is equiped with what Atwood describes as a "single sense ignition system which allows the ignition board to spark and sense flame through the same wire and electrode." The new board wants a separate wire from a flame sensor and of course, ignites the furnace for 20 seconds and then shuts off the gas. Has anyone delt with this problem. I could run a splice from the dual purpose wire to the flame sensor tab, but I am worried that the spark surge could be too much amperage for the flame sensor portion. And, oh yeah, I have run several searches on the forum with no joy,

1985 Airstream 345 Turbo-Diesel VFW,Legion, NRA FAA Air Traffic Control Supervisor (Retired) http://www.cooperhawk.net mailto:jimcooper@cooperhawk.net "People are okay in ones and twos. After that number they tend to choose up sides and wear arm bands and berets."