In article ,
Bill Wright wrote:
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.

Ah - right. I've not tried using a propitiatory UPS - I made up my own
system.

But why does it need the neutral and earth common?

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*Being healthy is merely the slowest possible rate at which one can die.

Dave Plowman London SW
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