[Chuck v]

Sudsy,


If you fill he tank only partially (say half to a bit more...) does the overflow still have water coming out? I would think that a partial tank could not start a siphoning action. Otherwise look for a source of air or water pressure that is forcing the water out the overflow and starting a siphon. On my rig there is no 'fill' position on the pressure shore water connection -- only the gravity feed to fill via a separate port. I would think that the overflow tube comes from near the top of the filler neck and would not sustain a siphon as the water level drops below overfull in the fresh water tank...


Chuck