I found the blower that keeps coming on and off while coach is just charging. The left to right slit that you see in the photo shows a motor with shaft going into the exhaust tube. When motor is running, air is blowing out of the tube. It just comes on about every 15m or so.
The thermostat is all off and propane is off.
Any ideas again why this happens? It's not the water pump for sure.
Thanks again for your reply.
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