Black water termination valve location

Cdubs

New Member
Joined
Apr 21, 2025
Posts
2
Location
Racine, WI
I am a new RV owner, we purchased a Crossroads Zinger 390db with 2 bed 2 bath. I can’t seem to locate the black water tank termination valve for the front black water tank, there is no valve attached to the 3” waste line. There are 2 valves for the smaller 1-1/2” line, I assume there are for the gray and fresh water tanks. Can anyone help? Thank you
 

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Just a few questions. What year is your camper? Did you buy it new? It appears with the hard line on the drain and the blocks that it is set up permanently on a lot. I looked at a lot of videos and they all show a handle for the black tank. You may need to pull down the underbelly covering and look for the valve.
 
This is a 2024 model, we did purchase it new and it is on a permanent site. All of the plumbing (black pipe) is original except where we are connecting it with PVC to city sewer. It doesn’t make sense that the manufacturer would hide the valve but I will check.
 
If it’s a permanent model is it possible no black tank and a straight poop shoot. Do the toilets have residential water tanks
 
Look about half way between the first hanger and the 3" pipe that comes down. All the pictures/videos i watched show a handle there. As i stated you may need to pull down the covering as the handle/rod may have came loose and fell out. Was it there when you did your walk thru?
 

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