Yes, it leaks when closed (that is shuting off the mains water) so should I close it or open it before removing the gland and placing ptfe tape? (In the hope of reducing water spillage during the repair)
Will
My mains stop cock leaks when closed or partly open, but never when fully open. I have tried tightening the packing gland nut, but it's as tight as I can get it.
All the advice I've found says close the stop cock before attempting to repack the gland, but this is when it does leak. Is this...