The boiler reaches temperature, but fails to come onlater when the house gets cold, All the radiators are stone cold.Sometimes the boiler cuts out but the external pump keeps going Long after the boiler has cut out.
I've got exactly the same problem with my glow-worm ultimate 30ff, had an engineer round but he's unsure what the problem is, any suggestions would be grately appreciated.
ADI
February 2010
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