Toilets continuously refilling after boiler install

[cadmunkey]

Had a new boiler installed 3 days ago, since then all four toilets in the house have had a slow drip into the bowl.
Today however all 4 are filling fast and not stopping, just continuously filling into the overflow pipes. Had to turn 3 of them off at the supply.
All toilets just have a standard fill valve, can anyone shed any light on what may be causing this? Cheers!

 

[ShaunCorbs]

Dirt on the washer

 

[cadmunkey]

Dirt on the washer

Can you elaborate a bit more? Dirt on which washer? Do I need to replace every fill valve?

 

[Last Plumber]

As Shaun says, either soiled washer or worn washers.

 

[ShaunCorbs]

Best get the installer back but might cost you

 

[cadmunkey]

Best get the installer back but might cost you

They already came back once to fix a leak Just found a youtube video showing how to clean the fill valve washers so thanks for the suggestions guys much appreciated.

 

[Best]

Was your boiler a changeover from a system that used tank water - to a combi boiler?
Just was thinking maybe mains high pressure water going to toilets that were low pressure might have required toilet valves to be modified or replaced

 

[cadmunkey]

Was your boiler a changeover from a system that used tank water - to a combi boiler?
Just was thinking maybe mains high pressure water going to toilets that were low pressure might have required toilet valves to be modified or replaced

Yes, exactly that. From a system with tank to a combi-storage boiler. We have very high cold water pressure here that needed to be reduced for the new boiler does that mean I need to find new valves?

 

[ShaunCorbs]

New valves require

 

[cadmunkey]

New valves require

OK, can you recommend any that are suitable? Wish the installers told me this!