On Fri, 12 May 2006 09:25:22 +0100 someone who may be "Christian
McArdle" wrote this:-

Separate timing control is normally achieved using a programmable thermostat
in each zone, with the main controller either absent to set to 24h.

Works of the devil:-) Instead of having everything in a boy's toys
area one has to walk to an individual toy:-) The sooner such things
are banned the better:-)

More seriously, controls are best grouped together. This is
especially important as they become ever more complicated and it is
important to see what is going on.


--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54