[C38] My toilet is always full

[Ray Torok]

I've had two different versions of this problem.  If it's waste coming back
in from the discharge line, then the joker valve is bad.  One way to deal
with this is to pump a bunch of sea water or fresh water from the toilet to
the holding tank to purge the discharge line of waste, and then open the
fittings to replace the joker valve.

The toilet can also fill from water coming in from the seacock that
provides flush water.  In mine, if someone left the pump handle up on the
toilet, water could slowly come back in this way.  Note that if this
happens and the top of the toilet is below the waterline, and no one is on
the boat, this could cause a really bad day.  I ended up raising the toilet
to make sure the top was above the waterline, and adding a ball valve to
the inlet hose inside the head (more convenient than having to fool with
the seacock all the time).

Ray Torok
formerly C38 #37

On Fri, Jan 28, 2022 at 6:20 PM Patrick Hatpole <1derful at comcast.net> wrote:

> Thanks
> That makes sense.
> I have been down that path and believe that I have a joker valve.
> Glad that I enjoy working on boat
>
> Sent from my iPhone
>
> On Jan 28, 2022, at 8:53 AM, Matt Wordell <matt.wordell at gmail.com> wrote:
>
> 
> It is most likely the joker valve has worn out and allows waste to
> backflow.
> You can replace just the joker valve for probably 20 bucks, but that
> requires some messy disassembly.
> You can also replace the entire pump assembly. That is pretty easy,
> usually just a few screws and a couple hose clamps.
> I did this on my Jabsco toilet last year for $100.
>
> -Matt Wordell
> Ruckus #192
>
> On Wed, Jan 26, 2022 at 4:14 PM Steven Ribble <steve.ribble at gmail.com>
> wrote:
>
>> I was told to keep the thru-hull under the V berth closed unless you're
>> actually using the head/sink...could yours be/have been open?
>>
>> On Wed, Jan 26, 2022, 3:21 PM <1derful at comcast.net> wrote:
>>
>>> Don't know
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