water siphoning

My fix to an old problem that I took care of this weekend. My solution to the fresh water tank siphoning off and losing water after filling in the X23B. It seems there is only a short piece of water line that attaches to the top of the tank and drops through the floor to act as a breather...

Water siphons from the clear water holding tank out the city connection, a few drips at a time. This also cycles the 12v pump for a short burst. Over several days (2-3) it will completely empty the clear tank. Putting a threaded hose plug in the city connection stops the leak, and pump cycling...