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Thread: Toilet cistern leaking slowly into the pan

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    Should Get Out More MyLittleStudPony's Avatar
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    Default Toilet cistern leaking slowly into the pan

    Oh noez - khaze woes!

    There's a very slow, continuous trickle of water going into the pan from (I assume) the cistern. Every now and then the cistern fills itself up a bit to maintain its level.

    It's a regular toilet with a push button flush on the top.

    Any idea how to fix it? I'm rubbish with plumbing.

    Thanks in advance.


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    Member PG's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Get a man in.


    Ours was doing the same a while back but the wife fixed it. I don't know what she did but it must've been a simple fix, what with her being a burd.

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    Should Get Out More 1888's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    I thought the Holiday in would have maintenance men.

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    Probably wrong Yambo's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Mine does that now and again MLSP, same sort of toilet with a push button on the top. I usually just bounce the button up and down a bit and it stops mine but it sounds like your float valve isn't sealing properly when the cistern has filled.

    I know what I'd do but I'm not there and as I can't see your set-up it'll be difficult for me to assist.

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    Imagineer Monstyr's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    It'll be a simple seal, very easy to replace yourself.
    This happened to our toilet last year and the biggest problem was finding out what the bit was called, in our case it was (appropriately enough) called a dump valve and after I managed to find the makers name I bought the matching bit from Ebay and fixed it in less than ten minutes.

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    Should Get Out More MyLittleStudPony's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Cheers Yambo.

    Doesn't the float valve stop the cistern from overfilling?

    I think mine fills to the correct level but somehow leaks down into the pan. It might be the 'siphon' I guess? Although it's a tiny amount of water so doesn't seem like it's siphoning...?

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    Should Get Out More MyLittleStudPony's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Quote Originally Posted by Monstyr View Post
    It'll be a simple seal, very easy to replace yourself.
    This happened to our toilet last year and the biggest problem was finding out what the bit was called, in our case it was (appropriately enough) called a dump valve and after I managed to find the makers name I bought the matching bit from Ebay and fixed it in less than ten minutes.
    Nice one, thank you! I'll try that.

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    Should Get Out More DefTrap's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Open up the cistern, you should be able to see where the drizzle is coming from. It could be anything from: a slightly loosened or leaky hose joint (tighten and/or fix with amalgamating tape); a lump of crud (remove and clean); a worn or broken part. Replacement bits are available - depending on the age of the cistern you can normally get a entire flush system from the likes of B&Q. Obviously turn off water before attempting any cistern bodgery.

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    Default Re: Toilet cistern leaking slowly into the pan

    yambos right to temp. stop it happening - give it a quick 'rattle' bam-bam-bam on the button to make it seat properly. Long term yo need a new one (you can buy a complete thingy in plumbing merchants. Normally like a long cyclinder thing. You could take it with you (after shutting water off) to somewhere like plumbworld or plumworld as I like to call them and they'll rip you off to the tune of twenty or theirty squid).

    ISTR I bought one in B&Q

    edit like this:

    http://www.plumbworld.co.uk/water-sa...let-1862-16454


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    Default Re: Toilet cistern leaking slowly into the pan

    Modern toilets, most I think, have done away with an outside overflow pipe are designed to overflow into the pan. Might be the inlet seal isn't quite sealing. Sometimes called a top hat washer IIRC.

    Any chance of a photo of the inside of the cistern?

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    Default Re: Toilet cistern leaking slowly into the pan

    It'll be the dump valve - mine's been seeping for months, I should really fix it.

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    Should Get Out More MyLittleStudPony's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Cheers chaps. I've got to do some 'work' but if a quick rattle and tighten doesn't sort it, I'll get some pics up.

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    Probably wrong Yambo's Avatar
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    Default Re: Toilet cistern leaking slowly into the pan

    Quote Originally Posted by MyLittleStudPony View Post

    Doesn't the float valve stop the cistern from overfilling?
    The overflow will normally flow into the toilet although on older ones it went out through a pipe - either through the wall to outside or into the drain that the toilet empties into. My syphon unit doubles as an overflow, simply emptying into the toilet. You could possibly try altering the height of the float ie lowering it so that it operates a bit earlier. The increase in pressure may help to seal the valve but that is only a temp fix. If the valve is dicky it's best to fit at least a new washer.

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    Default Re: Toilet cistern leaking slowly into the pan

    I got double bum fucked by this recently, float wasn't sealing so there was a continuous stream of water going in to the overflow pipe.

    I say "in to" not "out of" because unbeknownst to me the pipe had decayed and the water was going in between the courses of brick in an external wall. So no obvious sign anything was wrong until water started coming through the ceiling and the power shorted out

    Massive cuddly wuddly beary beary boo!

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    Default Re: Toilet cistern leaking slowly into the pan

    Quote Originally Posted by CoolHands View Post




    Orgazmo-gizmo

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