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Toilet cistern filling but starting and stopping

Postby Greenveg » Mon Aug 23, 2021 7:07 pm

I have a push button, dual flush toilet. Lately, when the cistern is filling, it does not do so in one go. It stops and starts about three times till it reaches the required level. This only takes a few seconds. There is no water escaping into the pan, so I think that it is working normally apart from the sporadic filling.I think that it is a Fluidmaster.
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Postby stoneyboy » Tue Aug 24, 2021 7:19 pm

Hi greenveg
Suggest that the float is sticking as it rises up or there is debris in the equilibrium valve.
Regards S
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Postby Greenveg » Wed Aug 25, 2021 11:59 am

What is the solution, should I replace the filler valve.
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Postby stoneyboy » Wed Aug 25, 2021 8:36 pm

Hi greenveg
Suggest you try taking the valve apart and washing everything in clean water.
If this fails replace the whole thing but don’t expect it to be a doddle.
Regards S
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Postby Greenveg » Fri Aug 27, 2021 6:40 pm

I have fitted a new Fluidmaster Pro 458, with brass shank. Cistern filling OK now, very quiet. Thank you very much for your help.
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Postby stoneyboy » Sun Aug 29, 2021 8:49 pm

Hi greenveg,
Well done and thanks for letting us know.
Regards S
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