Join Date: Aug 2006
Thanked 17 Times in 16 Posts
Rep Power: 12
Your pumpout fitting does not go up on deck like a fuel fill fitting or water tank fill?
The bladder MUST have a vent line to work. The vent line lets air out as stuff goes in. It lets the smelly air out. And it lets air in when the stuff is pumped out. Can't function without one.