Stopcock issue!

[claude2]

Turned off the under sink stopcock to isolate the cold water supply. Stopcock turned fully, and the kitchen sink tap cold water shut off, as expected.
Strangely though, the other cold taps in the house, both up and downstairs, continued to run freely, with no hint of shutting off. Am I missing the blatantly obvious here?
In the loft I have two water tanks, for the hot water cylinder & central heating, I believe. Are these in the equation?
Thanks, Claude.

 

[newbuildinstaller]

the rest of your cold taps will probz be tank fed. let them run till they stop may take 5mins

 

[longdogs]

Or you can buy a rubber bung from a plumbers merchant and plug the hole in the tank. This should stop the water to allow you to do what you want to do.

 

[HERTS P&D]

Are you sure this stopcock is just for the cold water tap?

Follow the pipe work from the stopcock, if it splits into two (not including the outside tap) then it will need time to drain down as said.

If it only goes straight to the cold water tap then you should have another stopcock either under the kitchen units, under the stairs or front garden/pavement.

Andy

 

[ljrgas]

Or you can buy a rubber bung from a plumbers merchant and plug the hole in the tank. This should stop the water to allow you to do what you want to do.

blue tack is cheaper