Posted by Toaster on November 11, 2001 at 16:31:08:
In Reply to: combi boiler posted by andy on December 09, 2000 at 10:36:23:
I had the same problem. It resulted in calling an engineer out.
My heaters were re-installed too. During the installation a small stone must have got into the copper pipe and loged itself.
It was successfully removed.