On Dec 11, 4:45*pm, Tim Watts wrote:
I think I will equip the CH when I do it with a contingency supply from a
generator so at least HW keeps working too

I'm thinking of doing the same, but given that our CH is gas rather
than oil is there much point? In the event of a major electricity
supply failure does the gas keep flowing (and indeed the water)?

Richard.
http://www.rtrussell.co.uk/