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Old 01-31-2015, 02:06 PM   #1
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Atwood propane furnace fan problem

Atwood Model 8520 propane furnace fan operating at a lower than normal speed. Is the fan a single or two speed fan ? If a two speed is it controlled by the circuit board mounted at the back of the furnace case , or a control on the fan ? Are there many problems reported of fan bushing or bearings causing a slow running fan ? We have two Atwood furnaces , one operates properly the other does not . The slow running fan still operates the sail switch but does not supply a lot of air to warm the back of the coach.


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Old 01-31-2015, 03:02 PM   #2
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I believe it is only a single speed fan. Variation in speed might be due to friction or a bearing binding.

http://www.atwoodmobile.com/manuals/...0SP%201.08.pdf
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