Discuss Toilet pan doesn't clear.... in the Plumbing Jobs | The Job-board area at PlumbersForums.net
I would also have said just change the syphon washer. Those old round syphons were the best and the fact that they are round means they kept their shape.
where u get that info from?
my advice would be retrieve the old syphon and get a washer for it or make one from a suitable thickness of rubish sack
Or wouldn't a drop valve be worth a go? Surely a Fluidmaster has to be able to empty a cistern with as much oomph?
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