Replaced loo fill valve but still dripping.

[Atgni]

So went to do the job today.
I was 1/2 so thanks for that
But the tail was too long so I added some washer's before the rubber cone but it weeped so I swapped the plastic washers for rubber ones which seems to have worked. But for how long

 

[Atgni]

Will all the faff I also split the base of the fill tube where you screw the tail into. So I will be buying another one. But can leave the tail with my washers in place and screw on a new fill.

 

[Atgni]

Problem I have was with the original tail connection. I brought some new fibre washers but did not fit, i also have hundreds of different ones but none fitted.
It was a mess in there with old cotton thread seal and I can see the original washer. See photo.
I added some PTFE tape to my new tail and had it overlap the flat face very slightly and so far there are no leaks

 

[terryplumb]

You should take the original float valve to a decent plumbers merchant and source a new one with a suitable length tail,and forget the faffing about with washers. Also take the seal from the isolation valve ,and get a suitable replacement.

 

[Atgni]

Th

You should take the original float valve to a decent plumbers merchant and source a new one with a suitable length tail,and forget the faffing about with washers. Also take the seal from the isolation valve ,and get a suitable replacement.

I measured the size needed for a new fibre washer and its19.20mm with a 15mm hole. Does that sound normal

 

[terryplumb]

That's a 1/2 inch, fibre ,tap connector washer.

 

[Atgni]

Whole thing looks like this

 

[terryplumb]

That's a 1/2 inch, fibre ,tap connector washer.

And you need to remove all traces of the old washer so the fitting is nice and clean before fitting the new washer.

 

[Atgni]

And you need to remove all traces of the old washer so the fitting is nice and clean before fitting the new washer.

Amazing thank you so much saves me trying to ID it.yes will remove and and clean it.
Is it thise or is prestex slightly different.

 

[terryplumb]

Can't say I have ever used prestex tap con washers,but they look the same as any others.

 

[Atgni]

Can't say I have ever used prestex tap con washers,but they look the same as any others.

Think I will find some from somewhere else. Some reviews are saying the 14.5 internal s too small and the 18.2 needs to be bigger, which corresponds to my own measurement that I took with a digital Vernier gauge