Wait about 30 minutes then head outside and slowly uncap the waste pipe.
Rv black water tank valve leaking.
Close all valves then go back inside the rv and add several gallons of water to just one tank.
You can check the vent pipe from up on the roof.
This may or may not cause an actual tank leak.
Did any water leak out.
If it s noticeable driving down the road it can result in a citation and fine as well.
The rvers are usually referring to the black 3 inch gate valve on their black holding tank.
The drain valve or your rv s dump valve is the spot where all your plumbing pipes for the holding tanks come together in your rv.
It holds dirty water from your toilet.
Run about 5 gallons of water into the gray water tank through the kitchen faucet.
The contents inside the valve dry out causing the valve to stick.
If a vent pipe were to drop it usually drops into the tank through a rubber tank fitting.
Leave all valves open overnight or long enough for the waste pipe to drip completely dry.
The logic behind this is that if one is broken it may not be that long before the other one goes bad.
Proper method of lubrication.
With the wastewater valves closed and the black cap off place a 5 gallon bucket under the sewer drain port.
Some rvs might lack the grey tank the black tank contain all the dirty water from the kitchen sink toilet and showers.
In some cases the 1 5 inch gray valve gets sticky over time especially if the rver is not using his rv full time.
The last one is the black water tank.
In this article we shall focus more on the black water.
Sewage from the black and gray water tanks are plumbed to this valve to allow you to dump the waste at an approved dumping station.
Another tip you should consider if the black water valve is leaking you might want to go ahead and replace the gray water valve at the same time.
To determine which valve is leaking you should have your rv waste tanks empty.
That will be the smaller wastewater valve.