On 03/01/2019 15:05, Dave Plowman (News) wrote:
In article ,
Andy Bennet wrote:
I've been told that my electric boiler is useless during a power cut.
Are Gas boiler C.H. pumps, timer and control electronics gas powered?

No - but easy enough to run from a UPS.

You have to common earth and neutral though or the boiler won't ignite.

Bill