Fresh water tank drain valve issue
The handle on the plastic drain valve broke, so I need to replace the valve. I removed the two screws from the valve and pulled the valve out from the tank about half an inch. I can see there is tubin...
Forum Discussion
I think most if not all RV tanks are just a single wall tank. The fact that you are finding a hose makes it seem that the valve is mounted remotely from the tank. On my trailer the valve is mounted under the side where it is easily accessible. There is a tube behind the valve that disappears back through the corrugated plastic underbody and then over to the actual tank. Since it sounds like you cannot see the actual tank I would start figuring out how to get the underbody down so you can see what you are dealing with.
