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Owain
 
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Default Demand boiler behaving oddly....

"Ferger" wrote
| I have a Glow Worm Swift Flow boiler. This afternoon I realised
| the radiators were all cooling and subsequently discovered that
| we had no hot water from the taps either. Pressure in the CH
| system is OK and pilot light was on, so I resigned myself to
| calling out an expert. But before I did, I heard the boiler
| fire up and now all's back to normal. I hadn't 'done' anything
| that might have fixed it.... It was probably 'out' for about
| an hour.

You haven't had a power cut (electricity) you didn't notice did you?

Owain