Help needed please - toilet won't stop filling

Alee

Well-Known Forumite
my toilet won't stop filling and it driving me crazy. I've had this problem before with different toilets but I don't no where to start with this.
Any one got a clue ?
 

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Gramaisc

Forum O. G.
The red thing should have some adjustment somewhere to make the valve shut off before it starts overflowing.
 

Gramaisc

Forum O. G.
It looks similarish to this - it may be a screw thread or it may be just a click adjustment, I can't really see on yours - adjust it to raise the lever at a lower water level.

wirquin-jollyfill-side-entry-inlet-valve-1737-p.jpg
 

Alee

Well-Known Forumite
Yes it's a screw one. It's makes no difference at all where the 'float' is . The water just won't stop
 

Gramaisc

Forum O. G.
Then the valve seal has probably failed - you may be lucky and have an isolation valve in the pipe to the valve - like this -

$_35.JPG

- if you have, then turn the screw so that the slot is "across" the valve, as seen here - this will stop the supply.
 

Alee

Well-Known Forumite
Plumber it is then . Iv just checked and I'm not lucky enough to have a cut off. I suppose I should be greatful ,its. Or everyday day I fall asleep to the sound of a waterfall
Thanks gram x
 

Gramaisc

Forum O. G.
You can get flakes of sediment stuck in the valves, holding them open - there is a red filter in the picture I put above, but they aren't always there. If you can turn off the supply then you could open the valve and see what is happening, but there is a risk that it can all get worse.....

Turn it off when you don't need it and sort it tomorrow.

Sticking an isolation valve in-line is a good idea, at the same time. These modern cistern valves are not always a long-term solution.
 

Alee

Well-Known Forumite
I doubt mine could get much worse lol
It wasn't even slightly leaking before today. I flushed it earlier then it just wouldn't stop filling, full flow not just trickling
 

Rikki

Well-Known Forumite
I'm not familiar with that particular valve but it's easier to just replace the whole thing rather than try and fix it. Like gramaisc said get an isolated valve fitted below to make future maintenance easier.

I tend to use the fluidmaster fill valves. Easy to adjust and designed to be easy to fix
 

Alee

Well-Known Forumite
Here's a better picture, small amount of water comes out the top of that red bit too
 

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Gramaisc

Forum O. G.
I'm not familiar with that particular valve but it's easier to just replace the whole thing rather than try and fix it. Like gramaisc said get an isolated valve fitted below to make future maintenance easier.

I tend to use the fluidmaster fill valves. Easy to adjust and designed to be easy to fix
I couldn't find a picture that looked like that one, hence the one that I posted as a 'similar' valve, for illustration purposes. Sometimes, if the float has sprung a leak, you can just tie them up for now, but even that wouldn't work in this case.

Whenever you've got something out, sticking an isolation valve in is a good idea.
 

Rikki

Well-Known Forumite
Saying that If you can turn the water off the top will come off somehow and replacing the diaphragm washer should fix it. Just not sure what type it would be. I personally wouldn't bother as I would rather replace with new knowing it will definitely fix it and there's no chance of having to to the job again.
 

Gramaisc

Forum O. G.
Here's a better picture, small amount of water comes out the top of that red bit too
Sounds like you have split your diaphragm - oooerrrr.

If you can get it changed tomorrow, then just shut things off when you're not using the cold supply and bear with it until then.

If the pipe is exposed below, then do consider the isolation valve - and operate it once a year, as well, or it can be a struggle when you do need it....
 

Alee

Well-Known Forumite
Yeah it does Luk like it might twist off but I dare not try it incase I break . I can only turn water off at mains , so if I break it I won't be able to turn water back on lol
 

Gramaisc

Forum O. G.
Yeah it does Luk like it might twist off but I dare not try it incase I break . I can only turn water off at mains , so if I break it I won't be able to turn water back on lol
Leaving it running overnight is only an issue if it's running your water meter up - it is worth being sure that you can shut the mains off easily though - it can get very exciting when a big leak happens...
 

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