On Fri, 16 Feb 2018 19:47:39 +0000, Dave W wrote:

On 16/02/2018 19:42, Murmansk wrote:
Fair enough but the thing is kind of "built-in" so getting to the
underneath of the cistern could be a serious challenge!

You need to replace the ballcock, not get underneath the cistern.

It's not actually a ballcock. No ball.

It's a Torbeck valve.

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