Dusty_BootsExplorerFeb 13, 2021Gray Water not empty, only 1 gate valve2007 six-pac D650 cabover, do you have any information regarding the 38 gal gray water tank, I have only one gate valve for the black water holding tank, the gray water tank does not have a separate ...Show More
wopachopExplorerFeb 13, 2021Dang a combined black and grey tank?? You should be able to confirm that next time the shower water overflows the drain.