Add water to class A while boon docking
For some reason the onboard pump works to transport water inside the coach, but won't when trying to use the suction port to fill the water tank from a non pressurized system. Anything I could check t...
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On my Newmar, if I set the selector in the wet bay to "fill tanks" and the valves in the pump bay to "winterize", it will suck water from the external non-pressurized source and fill the tank. Takes FOREVER to fill 50 gallons this way. Think the drill driven pump would probably be faster.
