Forum Discussion
DrewE
Dec 31, 2017Explorer II
Don't discount what Gdetrailer says. The furnace fan motor on an RV furnace actually has two fans on it: one to move the air through the heat exchanger and through the RV, and the other (on the other side of the heat exchanger) to provide air for the combustion and remove the resulting exhaust. This second fan, with the burner not operating, will be pumping cold outside air through the heat exchanger and doing a nice job of taking heat from the RV and exhausting it outside.
pianotuna's solution is better in this regard, in that it isn't actively pushing cold air through the outside part of the heat exchanger.
pianotuna's solution is better in this regard, in that it isn't actively pushing cold air through the outside part of the heat exchanger.
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