I'm having black water coming up through the fresh water inlet. Any one ever had this problem and what is the cure.
Is this black water (as in sewage) or is it black but "not smelly" from degraded hose gasket, etc?
It is black water and it stinks. It only happens when driving with the tank over half full and it happen on sharp curves or hard stopping.
What are you calling the fresh water inlet? You don't mean gray water drains do you?
Is your toilet directly over the black tank (Drop & Plop) or is it offset some distance from the black tank (TurboTurd 3000)?
If the latter, see below for a recent discussion of the TT-3000;
Magnuum Opus 3000 (https://www.foreforums.com/index.php?topic=38741)
It's a manual toilet and the black water is coming out where the fresh water comes out comes out when flushing or when you
pull the flush lever up for fresh water to come in the toilet.
Since you mention the problem when the black tank is "fairly full" and going around sharp turns, It sounds like this is while driving and you aren't referring to flushing the tank and having sewage come out instead of water. Is that what you are describing?
Is it possible the tank level is reading low for what you actually have and it's the black tank contents sloshing back up? Have you checked the condition of the flapper/seal that closes to prevent black tank contents from sloshing up?
Which tank level sensor system do you have? If a Javalina, there is a somewhat involved process to calibrate the sensors - you must do all 3 at the same time, and you must both empty ALL tanks and fill ALL tanks to do the calibration.
I will have to pull the toilet apart and see how the black water gets up there. After it happens when I flush crap comes out with the fresh water.
That is truly a crappy problem to have!
Black tank venting issue?
I don't think so Bruce as normally no smell.
oldguy, if you had a Thetford Aquamatic IV I could tell you with some certainty that there is a fresh water flush line to the blade chamber.
It's a Sealand Traveler 511. I will take it apart and see it I can figger out what is the mater.
Please report back with what you figger out. I have had my Sealand Traveler 511 totally apart several times for various repairs and I cannot imagine how black water could be diverted into the fresh water fill.
Richard
Neither can I and I have had them apart. Will let you know.
The sewage tanks black and gray are seperate tanks frlm fresh water. There is no way sewer water is being fed to toilet unless you filled fresh water tank with nasty. Flush fresh water tank and see what comes out of it.
Fresh water tank can go sour. Rare.
Or they filled on someone funky well. Drain fresh tank and sanitize drain again.maybe even again.
Fresh water is fine. I will pull the toilet in the next couple of days.
Check studer vents first might have ome leaking
First Sealand Traveler 511 had two visible overflow drain holes in the upper rear of the ceramic bowl.
These holes are designed to bypass the foot pedal valve, with small water traps, to prevent running water to not overflow the top of the ceramic bowl.
To work the rubber gaskets need drain holes and the base needs to have a clear drain path.
Many things will allow smells and or black water to flow up and out these two holes.
Is your black water flowing out from these two round overflow holes?
Later versions of the same ceramic bowl model eliminated the holes, increased height and changed vacuum break and rubber gasket design and part numbers.
Barry
Just a thought before you tear your coach apart. Is it possible that the PO plumbed in a grey water toilet feed? If so, gray water can smell very swampy...unless you are sure you are actually seeing black water in the toilet flush water that is. Woody.
I had a conversation with the Sealand customer service person re our #510 toilet and the two drain holes. She said that Sealand now furnishes plugs to plug the holes. Reason given? The 510 and 511 series are manually operated so filling to an overflow condition was extremely unlikely and more likely to be "operator" error.
I got the plugs, put them in (about five years ago) and no problems since.
The bottom line within the design of toilet their is NO WAY, black water is coming through the flush water supply as that comes through the fresh water feed. Black water no pressure supply therefore no way to run uphill, Sir Isaac Newton says do. Gravity it's not a rule it's the law.
Now if the PO plumed a gray water flush some how???? But that going to require a whole other pressure system pump and all.
Not to say you don't have a problem, but their ain't no way BLACK water is running up hill from the bottom of the black tank.
Water won't run up hill but it can be pushed, like in the Bay of Fundy which has 56 ft tides. I got my toilet out today and I think I have two problems. One is the black water is being push up through the seal and out the two holes in the toilet by the sloshing in the tank going around corners. The second is as Wolfe
said something is degrading in the fresh water supply. I have had that problem since I got the rig and it doesn't smell. It would happen periodically. I will check and see what is causing that. As soon as my son
comes over I will send a picture of the first problem.
The first picture shows where the sewer came up and there was sewer all over the fins and then it came out the drain holes in the toilet bowl. The other picture is the stuff that was coming out the fill holes.
It was up against a screen in the water valve for the toilet. I don't know what it is. It might have got in when the last owner put in the new floor.
Toilet is back in. I plugged the holes in the base and the two holes in the toilet bowl with epoxy so now sewer can come up that
way and it looks like I got all the stuff that was coming out of the fresh water line.