On Fri, 16 Jan 2004 21:04:51 +0000 (GMT), "Dave Liquorice"
wrote:

On Fri, 16 Jan 2004 20:03:56 +0000, Andrew Heggie wrote:

My daughter tells me it is -22C at the moment :-)

But not in the UK, Canada?

Boston Mass.

Not quite sure how the automatic change over valves function,

OK I had not considered this as a possibility, in fact I did not know
such things existed.

AJH