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
RV-1/2n-FUN wrote:wagonmaster2 wrote:
I understand you should always open the fresh water fill inlet on the side of the RV if filling the tank from the city water hook-up. This is supposed to keep from pressurizing the water tank and doing damage.
Pretty sure there should be NO CONNECTION between black tank and any fresh water fill!!!!! We're talking bio-hazard here.
Correct, and all fresh water tanks have a vent in them.
