Loud explosion while backwashing black tank
Today I was doing my regular duty of emptying/backwashing the black water tank. I had emptied both the grey and black tanks and was in the process of backwashing the black tank. Now I know it says not...
Forum Discussion
As mentioned above the vent pipe may have been installed, or dropped down, against the tank bottom. I have heard of this from several owners. With the vent working properly, there will be no pressure buildup in the tank.
