Problem with toilet cassette

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Problem with toilet cassette

Post by shaz on Sun Sep 18, 2016 12:16 pm

Hi
Hope some one can help. We have a 1995 Clubman GL.  The toilet is a Thetford PPC2R We I remove the cassette liquid has gathered on the top. I am thinking the rubber seal needs replacing.  Is this possible to do?  Are parts available and if so where would I get them? 
Thanks so much for any help with this.
Shaz
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Re: Problem with toilet cassette

Post by Paulmold on Sun Sep 18, 2016 12:26 pm

Seals should be available from any decent caravan shop. There are two seals, one pre 2000 and one post 2000 , just make sure you get right one. Replacement is a simple job. Cost about £12.

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Re: Problem with toilet cassette

Post by boxerman on Sun Sep 18, 2016 1:58 pm

There isn't a seal on the toilet bowl, just the cassette. The water on top of the cassette seal is probably there because you closed the slide too soon after flushing.

Frank
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Re: Problem with toilet cassette

Post by TeamRienza on Sun Sep 18, 2016 2:05 pm

I would agree with Boxerman. There is always a residual amount of clean water on the top of mine. Not enough to overspill the lip of the cassette opening.

I am in the habit of opening and closing the flap immediately before withdrawing the cassette for emptying. This sorts it for me, worth trying before going further.

Let us know if this works for you.

Davy
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Re: Problem with toilet cassette

Post by Paulmold on Sun Sep 18, 2016 3:40 pm

Shaz says liquid gathers on top of cassette, not in the bowl.

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Re: Problem with toilet cassette

Post by shaz on Sun Sep 18, 2016 4:18 pm

Thanks for the replies. Just to clarify the liquid ( wee ) is in the recess of the cassette where the handle is. Will try replacing the seals and hope that cures the problem.

  Shaz
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Re: Problem with toilet cassette

Post by boxerman on Sun Sep 18, 2016 5:19 pm

Sorry! misunderstood. Probably is the seal then.
As Paul said, easy enough to do, but make sure that you get the correct one.

Frank
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Re: Problem with toilet cassette

Post by Bmwdumptruck on Sun Oct 16, 2016 2:13 pm

I had the same issue with a cassette in an old Fleetwood caravan a few years back.  I tried a new seal, but still got the leak.  I realised the cassette wasn't snug enough under the bowl.  Seem to recall I found some thin plastic that I cut into a couple of 2" strips which I glued to the underside of the housing to lift the cassette slightly.  I guess age had caused things to settle causing a bit too much clearance.
Can't recall what I used exactly, or where I found it!!
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Re: Problem with toilet cassette

Post by bikeralw on Sun Oct 16, 2016 3:12 pm

Although a new main seal will most likely solve your problem, from experience I've found that another seal, pressure release valve in my case, followed by the vent seal, will fail not long after. I think these cassettes have a finite life. Mine was ten years old and I've replaced it with a Thetford fresh up kit which includes a new cassette, toilet seat and chemicals, all for under £90.
Al.
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Re: Problem with toilet cassette

Post by shaz on Sun Oct 16, 2016 3:28 pm

Have put in a new seal a
and it seems to have solved the problem. For now.
Many thanks for all reply's
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