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Thread: Leaking inlet valve on toilet

  1. #1
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    Leaking inlet valve on toilet

    Ok, I'm frustrated and I need the advice of a plumber.

    We have a Gerberit Fors (or Impuls360 overseas by the look of it) inlet valve assembly in our toilet cistern (see http://www.geberit.com.au/web/appl/a...t%20Valves.pdf ). It doesn't always shut off and thus overflows. All we need to do to stop it is momentarily turn off the supply water, then turn it back on.

    I've replaced the main silicone seal (with an aftermarket Fix-a-Loo seal) but to no avail. (The genuine Gerberit seal costs as much as the complete cistern cost us!)

    The problem is that I cannot find anywhere on the 'Net just how this inlet valve works. If I knew that, I think I could work out what the problem is.

    The seal is designed with a hole in it through which a tiny channel flows water. Why I'm not sure but I suspect it is a water pressure thing which balances pressures to shut of the valve.

    Is there a plumber on here who knows how they work?
    Ron B.
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  2. #2
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    I used to have similar problems & they all went away when I fitted ( for another reason) a pressure limiting valve.
    Do you have high water pressure??

  3. #3
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    I'd be betting on a faulty replacement seal, but we're in the wrong thread for that.

    Want me to pick up an uncontaminated one for you?

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    Problem giving you the ****s mate.........

  5. #5
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    just bend the arm abit to put some more pressure on it from the float...
    Dave

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  6. #6
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    Pull it apart. If it breaks then buy a new one.
    Cheers
    Slunnie


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  7. #7
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    A leaking inlet valve can be caused by a build up of carbon, a stuck lifter plunger or a warn lifter body. If there's a few miles on the toilet, it might be worth pulling the head and getting a regrind. You should do the stem seals and caps whilst it all apart, too.

  8. #8
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    Ron, Try these

    Google Image Result for http://www.lusanbidets.com.au/products/images/277/SANY3048h.jpg


    I have 23 toilets at my place and whenever I have a problem I fit one of these. I swear by them.

    Dave.

  9. #9
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    I,ve allways thought that regarding toilets, on the whole, you were supposed to have a leaking outlet valve,,,
    Damm!, my sense of humour is getting worse!!

  10. #10
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    How you have managed to get a faulty seal?
    I cannot believe that

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