This position allows for the gray water tank to fill with water and make flushing the sewer lines a lot easier.
Rv sewer valve open or closed.
Now work the valve open and closed a few times.
The air takes the path of least resistance not necessarily out the park vent which it would if all the sewer inlets in the park were closed.
The grey water valve would not close all the way.
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.
However doing so can allow sewer gases to travel from the sewer system up your sewer hose.
Do not use the old standby wd 40.
Always add drain valve conditioner to the system when storing your rv for any extended period of time.
It may sound stupid but it works and once you get the tank dumped it will be nice and clean.
First keep the rod well lubricated.
But there s a fair amount of discussion about the gray valve.
And out the gray tank plumbing vent located on the roof of your rv.
Free flowing water for long showers but no smells from the campground sewer system.
How to replace rv sewer valve.
You ll be surprised to learn why the gray tanks sink and shower should be kept closed until it s.
Drew is correct leaving any tank valve open upsets the rv park s air balance which can cause odors in the park especially when someone in an adjacent row dumps their tanks.
Check out this simple trick.
When your sewer valve breaks the only real fix you have available is to replace it.
Many rvers like to leave the gray valve open so they can liberally use the shower and run sink water without having to worry about filling up the gray tank.
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.
Brucinaz is also spot on.
Here s how to get the best of both worlds.
Try to keep the sewer valve from opening.
Open both tanks to dump when they re two thirds full but do not keep either open until then.
Also along with closing the black water valve you should keep the gray water valve closed as well.
When you dump a tank and the handle is pulled to the open position simply shoot the stainless rod with a good shot of lubricant spray containing silicon or teflon.
Or cracked and not able to seal properly.
The sewer connection allows you to leave your rv s gray valve open so water can run right out instead of filling up your gray tank.