On Wed, 2 Aug 2006 01:20:11 +0100, Doctor Drivel wrote:

To the original poster go to one of the forums that the professionals use.
Maxie uses the heating forum on DIYNot.com. Not bad, I had a look. Try that
in future. The forum specialises in heating plumbing so a low noise level of
idiots which permeate this group. Just don't take any notice of the idiot
amateurs on here.

The only idiot amateur here is Drivel. He's admitted as much in the past,
but he "considers himself to be a semi-pro."