Originally Posted by Oakman
Water in the line should drain down into the black tank when you disconnect the hose. You don't need to do anything to it.
Depends on how it's plumbed. My flush inlet is right next to my dump outlet, but the actual flush unit is on the curb-side, so that it pushes waste towards the dump. There is a 1/2" tube that runs along the cross frame. Mine will trap water if it's not blown out.
2014 RAM 2500 Laramie 4x4 Quad Cab w/Cummins Turbo Diesel, 2009 Rockwood 2607, and 3 'yaks!
300W of Suntech Solar, a Rogue MPT-3024 Controller, and a Xantrex PW2000 Inverter