Have a leak in bathroom but my stop cock has seized up, but its off the main lead pipe from mains. I heard you can get a connector from the lead pipe (which is 21-23mm approx) that connects to a 15mm copper pipe under bath where I'll put new stop cock.but I'm unsure of size connector. the bloke in plumbing shop said the lead is measured in lbs and it could be 5-6-7 lbs each differing about 1mm but as the pipe is round its kinda difficult to measure. I thought there might have been a universal connector that could fit different lead pipes as only changing by a couple of mm.
Cheers
Neil
