Run about 5 gallons of water into the gray water tank through the kitchen faucet.
Rv black water tank valve leaking.
It holds dirty water from your toilet.
The last one is the black water tank.
If it s noticeable driving down the road it can result in a citation and fine as well.
To determine which valve is leaking you should have your rv waste tanks empty.
That will be the smaller wastewater valve.
With the wastewater valves closed and the black cap off place a 5 gallon bucket under the sewer drain port.
You can check the vent pipe from up on the roof.
In this article we shall focus more on the black water.
Proper method of lubrication.
Ion a black water tank it could simply be leaking from around the 3 inch pipe from the toilet or the smaller vent pipe requiring nothing more than new sealant.
If a vent pipe were to drop it usually drops into the tank through a rubber tank fitting.
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.
The contents inside the valve dry out causing the valve to stick.
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.
Leave all valves open overnight or long enough for the waste pipe to drip completely dry.
The second is a grey water tank that holds dirty water from your kitchen sink and shower.
This may or may not cause an actual tank leak.
The logic behind this is that if one is broken it may not be that long before the other one goes bad.
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.
In some cases the 1 5 inch gray valve gets sticky over time especially if the rver is not using his rv full time.
Most rv parks and campgrounds are absolutely phobic when it comes to the issue of a leaking black water tank drain valve.
Some rvs might lack the grey tank the black tank contain all the dirty water from the kitchen sink toilet and showers.