Black Water Tank Issue
This neophyte needs help from those more experienced, and I apologize for the novel. My unit is a park model stationery RV. At the end of last season, my black tank plugged on a Friday evening when al...
Forum Discussion
Next time the tank won't drain.
Connect the drain hose, lift the open end higher than the tank.
Fill hose with water.
Open the drain valve. The water in the hose will push the clog back.
Close the drain valve.
Carefully connect the hose to the sewer drain and empty.
Or if gray water and black water discharges are in a "Y" configuration, open the gray valve (while black is also open) and the flow from gray should also push back the clog. Then shut gray, and black should (may) drain. Less messy as no hose connections are left open.
Connect the drain hose, lift the open end higher than the tank.
Fill hose with water.
Open the drain valve. The water in the hose will push the clog back.
Close the drain valve.
Carefully connect the hose to the sewer drain and empty.
Or if gray water and black water discharges are in a "Y" configuration, open the gray valve (while black is also open) and the flow from gray should also push back the clog. Then shut gray, and black should (may) drain. Less messy as no hose connections are left open.
