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Old 03-08-2021, 20:36   #1
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Jabsco Help?

I bought a new Jabsco toilet last year and installed it. It worked fine.

In the last 6 months I've reinstalled the hoses inserting a vented loop into the system. The toilet worked fine for the last few months, but on a recent trip the toilet started to back fill with gray water.

I don't think the joker valve should fail this soon. I've been looking for the Jabsco tech support site but only found Xylem. The site doesn't mention their toilets and the contact form doesn't seem to relate.

Does anyone know how to contact Jabsco?
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Old 03-08-2021, 20:37   #2
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Re: Jabsco Help?

Paul Campagna is Jabsco's toilet guru...
Paul.campagna@xyleminc.com
Direct line: 978.282.5246


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Old 04-08-2021, 12:12   #3
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Re: Jabsco Help?

ITT spun Jabsco off to a company called Xylem Flow Control about 10 years ago. Finding anything on the Xylem site is about as easy as mining for gold with a teaspoon. And just when you do get the bookmarks you need saved, they redesign the site...<sigh> forcing you to do it all again.

Paul Campagna is Jabsco's toilet guru...
Paul.campagna@xyleminc.com
Direct line: 978.282.5246

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Old 04-08-2021, 13:33   #4
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Re: Jabsco Help?

I found Xylem to be useless. Worse, having replace three toilets in as many years, identical model, not one felt/ functioned the same, indicating poor QC.

Should have replaced them with a different brand. Next time I will.
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Old 04-08-2021, 16:46   #5
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Re: Jabsco Help?

Quote:
Originally Posted by Tetepare View Post
I found Xylem to be useless. Worse, having replace three toilets in as many years, identical model, not one felt/ functioned the same, indicating poor QC.

Should have replaced them with a different brand. Next time I will.
I installed the cheapest Jabsco toilet in my boat about twelve years ago. It has worked just fine. I did replace the entire pump assembly a few years back, just because it was much simpler than replacing the worn parts and only a few dollars more.
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Old 04-08-2021, 18:57   #6
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Re: Jabsco Help?

Quote:
Originally Posted by rwidman View Post
I installed the cheapest Jabsco toilet in my boat about twelve years ago. It has worked just fine. I did replace the entire pump assembly a few years back, just because it was much simpler than replacing the worn parts and only a few dollars more.
My pre-Xylem went 15 years without a rebuild. After several rebuilds within the next five years I tossed it and put in a Xylem Jabsco- total POS. The replacement was difficult to operate, also a POS.

The “new”’boat has the same toilet and it feels like it wants to fall apart. When this one goes, the replacement won’t be Xylem.
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Old 05-08-2021, 15:30   #7
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Re: Jabsco Help?

There are 2 good possibilities:


1) The joker valve. Sure seems quick, but if you don't put a LOT of water through these things, they won't last long.



2) Is this an electric head? If so, there's a solenoid that controls water into it. They are insanely picky. A tiny little grain of sand can make it stick just so very slightly open. I can take them apart blind now. Stupid design.
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Old 05-08-2021, 16:13   #8
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Re: Jabsco Help?

Quote:
Originally Posted by bstreep View Post
There are 2 good possibilities:


1) The joker valve. Sure seems quick, but if you don't put a LOT of water through these things, they won't last long.
We had a similar issue with a Jabsco (Twist and Lock) toilet and replacing the joker valve fixed the problem. Its an easy job if it is easily accessible.
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Old 06-08-2021, 08:04   #9
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Re: Jabsco Help?

Water that's running back into the head is water/waste left in the hose by failing to flush long enough in the dry mode to push it over the top of the loop, so it's doing what liquids do: run downhill. The joker valve can't prevent it from running downhill, a new one can only block it from making it all the way back into the bowl...gradually allowing seepage that increases as the slit becomes stretched open with use, turning into a hole instead of a slit.

A Jabsco manual toilet can lift bowl contents up to 4' in either mode, so the "cure" for water running back to the bowl is: follow the flush with some clean water to rinse out the hose, and switch to the dry mode to push the last of it over the top of the loop. Less than a cupful should be left to run back and it should be clean water.

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