Fluidmaster Dual-flush - Periodic 'automatic' refill issue

18 Oct 2010
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United Kingdom

Had some fluidmaster dual-flush kits installed a few months ago. Two are fine, but the third has a problem.

If we don't flush it for a number of hours (and, as it's in the en-suite, this tends to happen), it will suddenly start filling for a few seconds, and then stop.

I know this indicates that there is a leak somewhere. Looks like it isn't leaking from the seals, so I'm assuming that the flush valve has a minor leak.

Talking to the technical support at Fluidmaster, the suggestion was to loosen a screw on the button assembly, to reduce the tension on the cable.

Has anyone else experienced this problem, and is the above suggestion successful ?
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