Thanks all, I appreciate the advice. I will bear that in mind about the dead legs and disconnect the whole pipe where the current stopcock is.
I don't think there are any other stoptaps but will try to check.
As far as I can tell its all 15mm plastic pipe. It looks like most of it was redone...
Hi, I am replacing our lead water main with a new MDPE pipe but getting the new pipe to the piston where the current stop cock is under the kitchen sink is very difficult without ripping up the kitchen floor. Would there be any problem with blocking up the current stop cock and connecting the...