Okay, it's a 2002 keystone cougar. Has this stupid toilet that has little flush and water levers just under the seat. No foot pedals. I'm hard piped into the sewer system of the CG, Not moving th...
It is feasable but less than desireable. It will use alot of water. and if you leave the valve open to the sewer? You will get the mound from hell in your tank from the liquids draining out. A rv holding tank is just that, designed hold until reasonably full and then drained.