Strange Black Water Tank Configuration - Page 2 - Dutchmen Owners

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Old 07-04-2019, 12:48 AM   #11
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Thanks for the follow-up questions and comments. We studied about the eccentricities of using the black water tank and did add water before using. Were on only a three day campout and wasn't worried about adding too much water. My brother who is an experienced RV'r said he didn't have a pipe like we have and said ours appeared to be way to close to the tank bottom.

Just wondered if there is some reason the pipe should be that long and if we would cause some other problem by cutting off a few inches.

Is it common to have to use a stick to keep things moving?
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Old 07-04-2019, 11:26 AM   #12
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I felt really stupid because I asked the maintenance guy at Grandfather Mountain RV Camp about how I could get a toilet unstopped. it was the first time staying in an RV. he went over and cut a stick off of a nearby tree and said "try this". I then did some research and found out what happened.. DOH!
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Old 07-04-2019, 08:47 PM   #13
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Not sure how deep my tank is but the black pipe isn't anymore than 5-6" long
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Old 07-05-2019, 04:19 PM   #14
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Not sure how deep my tank is but the black pipe isn't anymore than 5-6" long
Very interesting. Haven't measured yet but can tell by looking mine is at least 3 times that length. My brother said it could be that the toilet and pipe come standard from the manufacturer with a long pipe to fit deep tanks. As my rig is on the smaller size, they just didn't customize the pipe length for my particular tank. Sounds like a plausible theory.

Wonder if the function of the pipe is to keep the waste from sloshing up into the toilet base when traveling.
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Old 07-05-2019, 04:29 PM   #15
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Originally Posted by Vulcan View Post
Very interesting. Haven't measured yet but can tell by looking mine is at least 3 times that length. My brother said it could be that the toilet and pipe come standard from the manufacturer with a long pipe to fit deep tanks. As my rig is on the smaller size, they just didn't customize the pipe length for my particular tank. Sounds like a plausible theory.

Wonder if the function of the pipe is to keep the waste from sloshing up into the toilet base when traveling.
Doesn't your toilet close off completely?
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Old 07-05-2019, 04:34 PM   #16
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Quote:
Originally Posted by Vulcan View Post
Very interesting. Haven't measured yet but can tell by looking mine is at least 3 times that length. My brother said it could be that the toilet and pipe come standard from the manufacturer with a long pipe to fit deep tanks. As my rig is on the smaller size, they just didn't customize the pipe length for my particular tank. Sounds like a plausible theory.

Wonder if the function of the pipe is to keep the waste from sloshing up into the toilet base when traveling.

If you were to pull the toilet off the base you'd have the toilet, no pipe is attached to it. The pipe is attached to the floor flange and then goes into the tank.
The toilet should have a ball valve that is closed until you step on the flush valve unless you have something really really strange.
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Old 07-05-2019, 11:42 PM   #17
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Quote:
Originally Posted by Vulcan View Post
My brother said it could be that the toilet and pipe come standard from the manufacturer with a long pipe to fit deep tanks. As my rig is on the smaller size, they just didn't customize the pipe length for my particular tank. Sounds like a plausible theory. .

I believe that. I had a stuck Black Tank release cable. Would not budge. Took the liner off under the TT. The cable was at least twice as long as needed. The answer? They a made a 18o degree bend with it.


Wonder why it got stuck??
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Old 07-10-2019, 09:07 PM   #18
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Does the flange hook to the 3"pipe? Normally it would be a 4" pipe going into the tank and terminate just into the tank. That said, Dutchman does some strange things to save money. I had a 2008 35' and they ran the bathroom sink into the black water tank instead of the grey water with the shower to save a foot of pipe and an elbow. The pipe should be close to the top so the effluent will flow away.
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Old 07-10-2019, 09:55 PM   #19
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I'm going to guess the black pipe is a bit long. Based in looking at the toilet pipes in the 3 campers I have owned they don't normally go that far down in the tank.
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Old 07-11-2019, 12:06 PM   #20
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I always put water into the bowl prior to pooing! Helps the flushing and almost always only need a single flush!
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