Check to see if waste or toilet paper is caught in the flap keeping it open.
Rv sewer valve stuck.
In some cases the 1 5 inch gray valve gets sticky over time especially if the rver is not using his rv full time.
Rv sewer valve stuck open.
Try to keep the sewer valve from opening.
On a recent trip with sewer hook up and both gray and black water valves open the kitchen sink backed up.
There are two basic ways to handle this problem.
Once you re done with your little road trip you will need to hook back up to the sewer and try to open the rv waste valve again.
We are full time rv ers our black water tank valve is stuck shut no service available.
All that goop in your black water and gray water waste tanks is held in place by the tanks dump valves.
Broken or stuck toilet flapper.
Always add drain valve conditioner to the system when storing your rv for any extended period of time.
First you can use some mixture that will eat the clog and.
We are at a rv resort without public restrooms.
An understanding of how dump valves work helps us take better care of them.
When rv users do this a lot of solid waste material can dry out and clog up the valve.
A stuck or broken holding tank valve is a really big issue if it happens but can easily be prevented.
Otherwise taking the system apart to look for valves that are stuck or clogged may be the only answer.
What can we do to get this open and drain the tank.
If this seal is not airtight smells will escape.
It may sound stupid but it works and once you get the tank dumped it will be nice and clean.
When rvers ask about lubricating a sticky rv dump valve they re usually referring to the black 3 inch gate valve on their black holding tank.
If you continue to have leaks in the sewer system you may be able to check your valves if you have an external access port.
There are those rv users who do not see the importance of closing their black water valve and leave it open all the time.