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Strange Toilet Problem

Discussion in 'Plumbing and Central Heating' started by ScubaCollie, 9 May 2021.

  1. ScubaCollie

    ScubaCollie

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    Hi All, these forums have been really great in the past with some plumbers really helping me out, and I've now got another problem.

    The house we moved into last year has the cistern enclosed in the wall It intermittently, when flushed, makes continuous noises that occur every few minutes and last for approx 5 seconds each time, that sounds like the cistern is starting to fill up again......?

    To get over this problem, we had to keep pressing the chrome plastic push plate very slightly, and it would sometimes stop, however in the process the chrome plastic plate broke, I removed the plate from the wall, to find one of the metal springs behind had broke down away from the plate. I also noticed that the backplate had cracked where the Gyproc board is flexing......

    We also can't identify the make of the toilet to get another push plate, ive taken it to a plumbers who are very good but we're unable to identify it.

    So my question is what do we do now?

    Its an ensuite bathroom and we keep getting woken up by the noise from the toilet when it starts playing up through the night with its refill sound!

    Do I need to open up that wall and then see where I can get back to with a standard fitting I. E find a part that's a standard part that I can then start to rebuild it from ?
     

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  3. CBW

    CBW

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    Any photos of chrome front plate or perhaps the cistern internals, eg lid, float valve?
     
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  4. ScubaCollie

    ScubaCollie

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    Hi Chris many thanks for your response mate.

    I took the plate into work around 6 months ago to see if they could fabricate me one out of metal and haven't seen it since, think they've lost it. It had two push buttons on the face but didn't have ANY identifying features on it.

    As for the internals, I think those long plastic threaded screws/push rods unscrew and can remove the plastic plate from the wall, would that be any good if I try to stick a camera down there inside the wall?
     
  5. CBW

    CBW

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    It might work, just need something to try and identify it. I think the wing nuts undo, and perhaps the two screws going into it.
     
  6. Harry Bloomfield

    Harry Bloomfield

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    If it's constantly topping up, then the syphon is passing. The missing operating plate is a secondary problem.
     
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  7. ScubaCollie

    ScubaCollie

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    Hi Chris I've taken the rods out and the front plate but now stuck with this?

    There's about 2mm movement upwards and it not enough to clear the tab at the bottom?
     

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  8. ScubaCollie

    ScubaCollie

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    Got it!!
     

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  9. ScubaCollie

    ScubaCollie

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    How about this?
     

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  11. ScubaCollie

    ScubaCollie

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    Hi Harry what does thst mean in leyman terms? :)

    I've got that plate off and another photo below?
     

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  12. ScubaCollie

    ScubaCollie

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    I've taken another couple of photos here
     

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  13. ScubaCollie

    ScubaCollie

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    This may help I've taken a video here in this link!! This shows exactly what it's doing.

     
  14. CBW

    CBW

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    After filling up, check the toilet pan, if it’s trickling it’s wither the siphon or flush valve. The filling valve is a Siamp, so likelihood is the siphon is as well. It might twist out, many like that do.
     
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  15. ScubaCollie

    ScubaCollie

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    Hi Chris defintely no trickling in the toilet when it makes that noise and once the toilet fills up there's no trickling either.

    Did you have a chance to watch that video? I don't know if you can hear that very faint noise before the main noise starts?
     
  16. Harry Bloomfield

    Harry Bloomfield

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    It means the flush syphon is constantly allowing water to leak out, into the bowl, so as the level drops it fills up again. Another possibility is that the water level is set too high, it fills, overflows, then refills - but I favour the first cause.
     
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  17. polesapart

    polesapart

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    Cistern: Siamp Intraslim B concealed cistern

    If no water trickles/seeps into bowl with the water to the cistern shut off and cistern full (check carefully, blue paper on walls of bowl ) then it's the inlet valve: Siamp 95L


    If so it will be the inlet valve diaphragm washer. May be
    easier to replace the whole valve .

    There should be a quarter-turn shutoff on the other end of the braided inlet hose.

    I dislike Siamp products.
     
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