On Sat, 3 Sep 2011 09:23:55 +0000 (UTC), Dean Heighington wrote:

Jon Fairbairn wrote:
Roger Mills writes:

What¢s the expected lifetime of this kind of plastic pipe?

http://www.hepstore.co.uk/downloadPDF.aspx?id=1021

Speedfit Barrier Pipe carries a 25 year guarantee, so not as good as copper
pipe.
I had to replace copper pipe when the combi was fitted as the 50-year-old
pipe near the cooker couldn't take the 5 Bar pressure. The fumes and
condensation had corroded it to pinhole drips.
All of the HW & CW piping was replaced, on the grounds that if one part was
leaking...
--
Peter.
The gods will stay away
whilst religions hold sway