I have just fitted a new Portsmouth standard brass ball cock to my cistern and it is vibrating/knocking badly from time to time. Are there different qualities of valve as I have had no problem before and what can I do to stop this intermittent problem? It would be easier to solve I suspect if it was a permanent problem but just now I flushed the toilet and the cistern filled perfectly without any noise.
Ball cock vibration
- Thread starter plumbduff
- Start date
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fit a "part 2 " 20th c. one instead....same fittings thru` tank wall..........and it`s a diaphragm type..still under £5.oo DIYnot Local
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