"IMM" wrote in message
...

"Christian McArdle" wrote in message
. net...
Can they also be used as a mains stop cock?

Yes. Use 1/4 turn full bore lever valves for everything, except for
isolating low flow appliances such as washing machines and basin taps,
which
can use cheap reduced bore isolating valves.

For a stop cock make sure it is a good quality stainless steel valve.

I don't know about full bore valves but I've come across seized iso valves
due to a build up of scale and would recomend giving them a turn every now
and then to keep them free.

Dave