When this happens the waste materials harden and dry out clogging your valve.
Rv dump valve stuck open.
Or cracked and not able to seal properly.
Unscrew the cap to the rv waste dump pipe.
When you see liquid dripping from the rv waste dump pipe when the valve is not opened this means that something is stopping the gate valve from seating properly.
An understanding of how dump valves work helps us take better care of them.
A sticky holding tank valve is a pain in the neck.
Alternatively storing your rv for long periods of time can cause the material in your rv s dump valve to dry out and become stiff and difficult to open.
What are the likely causes of this problem.
All that goop in your black water and gray water waste tanks is held in place by the tanks dump valves.
This keeps the valve from opening properly.
You will be splashed with smelly goo before the gate is even opened.