Leaky Head

[Ben Campbell]

New year; new problem :-)

My (now 15 years old; how time flies) Jabsco twist-lock manual toilet is leaking. It appears to be coming from the base. I suspect it’s end-of-life for the toilet.

I assume the easiest solution is a drop-in replacement that will hopefully match the existing bolt pattern. But what do the bolts screw into? Are there nuts under the deck that I have to worry about?

Thanks!
Ben Campbell
09 Beneteau 31 “Dancing Days”, Lewisville Lake, TX

[DAVID FLETCHER]

There is a metal boxes
Bar under the fibreglass combing

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> On Jan 6, 2026, at 9:19 PM, Ben Campbell <b...@nostrum.com> wrote:
>
> New year; new problem :-)

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[Ben Campbell]

Thanks! Is it fixed in place? Nothing to make me get underneath the combing?

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[jkr...@aol.com]

On the 331 the fasteners are lag bolts bolted directly I the glass base,

.Most mfg’s bolt patterns are the same, but make sure of hose runs. These big (old) hoses are hard to relocate.

Ron

B331

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[John Van Den Hengel]

Perhaps get a new seal?

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[Ben Campbell]

My understanding is that, as old as it is and given the Texas environment, there is a high chance the base is cracked or will crack soon.  Is that not correct?

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[William Eurbin]

A complete rebuild kit is about $120, new toilet is $200. Leaking from the bottom means you have to pretty much rebuild the whole thing, easier (and cleaner) just to replace.

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[JoeT]

On my '06 B343 I had a leaky twistlock and an original round bowl. The cost of an entire new oblong bowl unit was not much more that a new twistlock part.

Direct replacemet took about 30 minutes.

Also, don't forget to replace the original joker valve with the red Raritan #C253 joker valve, The original 3 wing unit sucks. I replaced with original 3 times in two years and always failed. Replaced with the Raritan 17 years ago and still no failure!

Joe T.

'06 B343

Regina del Seni