On Monday, 29 September 2003 13:21:06 UTC+1, Andrew Gabriel wrote:
I'd be dubious about the longevity of the o-ring seal.
Normally, I see up to perhaps ~20 years life of those
in similar circumstances.

As we're now at 17 years, any advance on #20 years?

And is it a serious problem given the tendency of cheap copper pipe to pinhole?

Owain