Leaking cistern

[spongebob59]

Anyone know how to adjust the below WC, I've tried to adjust the thingy in the left.to it's max so the float stops but it's still trickling into the toilet.
Bring back the old.ballcock

 

[HomecountiesJohn]

We had this problem in the ensuite, it was torture as we could hear it while sleeping.

After a quick google i found theres a rubber washer at the bottom of the siphon that was causing the water to trickle back into the pot. Easy enough to fix.

Twist and pull the siphon and the whole body is remmovable.

 

[spongebob59]

Can you remember what this type is called ?

 

[HomecountiesJohn]

I’ve just checked my emails and found this was the part

GEBERIT flush valve seal diaphragm syphon washer by Geberit​

 

[backwoodsman]

The way the light is reflecting off the water by the overflow pipe suggests the water is filling beyond the overflow. So seems to me to be an over-filling issue rather than a leak. Often caused by a sticking float. Limescale on the mechanism perhaps?

 

[RichA]

You need to adjust the float to be lower, not at its maximum height.

 

[Robster59]

You could replace the whole thing. They're not expensive.

 

[jim8flog]

Mine was cause by a hole in the washer in the inlet valve easy fix if you know the manufacturer and part number of the inlet valve.

 

[Deleted member 31467]

The way the light is reflecting off the water by the overflow pipe suggests the water is filling beyond the overflow. So seems to me to be an over-filling issue rather than a leak. Often caused by a sticking float. Limescale on the mechanism perhaps?

This.

Quite likely to be a limescale buildup, I had the same issue and replaced the entire unit. Think it was less than a tenner from Screwfix.

 

[jim8flog]

Sometimes it can be an easy fix just by adjusting the float (the cross point on the top on yours) if it is an air filled float the change in temperatures will cause a change in air pressure in the float.

Even with the old ballcock system on one of my toilets this is a summer /winter problem.

 

[spongebob59]

Sometimes it can be an easy fix just by adjusting the float (the cross point on the top on yours) if it is an air filled float the change in temperatures will cause a change in air pressure in the float.

Even with the old ballcock system on one of my toilets this is a summer /winter problem.

Ive adjusted this to its max, so its just trickling into the overflow.
i'll have another play this afternoon, but I dont think there much else to do apart from replace it, doesnt seem to be any limescale that is hindering anything

 

[RichA]

You want the float lower, so it stops refilling the cistern before it reaches the overflow. Lower it an inch, flush and it'll stop overflowing. If that doesn't work, then there's a leak in the refill mechanism or something blocking it from closing.

 

[jim8flog]

Ive adjusted this to its max, so its just trickling into the overflow.
i'll have another play this afternoon, but I dont think there much else to do apart from replace it, doesnt seem to be any limescale that is hindering anything

When you say the max what are you doing - raising the float or lowering it - you should be lowering it.

Check the internal washer. My unit is a Siamp and the washer is easily available.

 

[spongebob59]

If I lower the arm, the flow.starts, I've taken the screw down to about a cm but the when the arm stops against it, flow continues. So I've taken the screw back up to the max and then back one turn, but there is still a trickle going down the pipe.

 

[spongebob59]

I'll leave it like this until I can find out what make it is, can't see anyway of removing it from the cistern.

 

[Mel Smooth]

If you lift that white lever up (the one with the screw in the middle), with a little bit of force - as in more than the float is providing - and it still runs, then you might as well just replace the whole float valve. Might involve taking the cistern off the toilet, and that will more than likely involve pulling the toilet away from the wall.
If you step back from the toilet and take a picture of the whole thing, I'll explain the procedure.

 

[spongebob59]

If you lift that white lever up (the one with the screw in the middle), with a little bit of force - as in more than the float is providing - and it still runs, then you might as well just replace the whole float valve. Might involve taking the cistern off the toilet, and that will more than likely involve pulling the toilet away from the wall.
If you step back from the toilet and take a picture of the whole thing, I'll explain the procedure.

Cheers.
Will.do tomorrow, it' piising me off now

 

[KenL]

If you lift that white lever up (the one with the screw in the middle), with a little bit of force - as in more than the float is providing - and it still runs, then you might as well just replace the whole float valve. Might involve taking the cistern off the toilet, and that will more than likely involve pulling the toilet away from the wall.
If you step back from the toilet and take a picture of the whole thing, I'll explain the procedure.

Might be worth just getting someone in.
Had a similar issue a couple of years ago. Local plumber fixed leak and replaced dodgy shutoff valve for £70.

 

[spongebob59]

 

[spongebob59]

With all the jiggling around it seems to have stopped trickling, the only thing stopping it though is the surface tension around the edge of the pipe.