On Fri, 19 Nov 2004 20:12:07 +0000, John Rumm
wrote:

Dave£ wrote:

Thanks John and Christian. It's good to learn that stand-alone
expansion vessels are available. I didn't know they existed before you
enlightened me. I'll try to source one.

Try:-

http://www.bes.ltd.uk/products/109.asp

The smallest is under 15 quid.

Thanks John! All I need to do now is determine what size I need...

Dave