Interesting issue
Ok, So this is gonna sound crazy, but this morning my freshwater holding tank decided to fill itself! Around 1030 this morning at the campground in Tucson after a chilly 28 degree night my wife info...
Forum Discussion
Dutch_12078 wrote:
My guess would be that ice formed in the pump and held the internal check valve open. That would allow the city water supply to backfeed into the tank. When the ice melted, back to normal.
This was *exactly* my first though too when I read your post. Ice formed on the pump check valve keeping it open. Later, it thawed enough to function properly.
Just curious, is your on-board water pump in a warm compartment, or exposed to the cold?
