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Dual flush, only doing the short flush now

Discussion in 'Plumbing and Central Heating' started by HDRW, 10 Jun 2014.

  1. HDRW

    HDRW

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    A few years ago I installed a Stelrad Doulton close-coupled loo, and the syphon that came with it was dual flush (quick push = short flush, hold down = full flush).

    Recently it's been doing only the short flush even when you hold the handle down. Peering inside the cistern I can't see anything that could be the culprit (there's a plastic plug in the side, but that's tight in place).

    The syphon is red with a brown top, labelled "Stelrad Doulton" and "DUDLEY".

    Is there anything I can do that doesn't involve removing the cistern? I thought at the time it was a daft design that meant the syphon was "trapped" by the cistern/pan joint, and if I have to remove it I'll replace it with a Dudley Turbo 88 which has a much more reasonable design, IMHO! (Ironic that it's one of theirs I'll be replacing).

    So, am I in for a cistern removal or is there anything else I can do?

    Cheers,
    Howard
     
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  3. jeff the gasman

    jeff the gasman

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    Time to remove the cistern. There is a rubber plug inside siphon which blocks a hole when you hold the lever down.
    Jeff
     
  4. HDRW

    HDRW

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    Thanks - I was hoping there was another way, but I suspected there wasn't - that syphon nut trapped in the cistern-pan joint really decides it, as the mechanism is inside the syphon itself as you describe.

    Cheers,
    Howard
     
  5. DIYnot Local

    DIYnot Local

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