Or cracked and not able to seal properly.
Rv dump valve stuck open.
This keeps the valve from opening properly.
When this happens the waste materials harden and dry out clogging your valve.
What are the likely causes of this problem.
A stuck or broken holding tank valve is a really big issue if it happens but can easily be prevented.
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.
A sticky holding tank valve is a pain in the neck.
Always add drain valve conditioner to the system when storing your rv for any extended period of time.
Unscrew the cap to the rv waste dump pipe.
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.
An understanding of how dump valves work helps us take better care of them.