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Heating but no hot water?

My Vaillant boiler has the radiators working fine but the pilot light indicator is off and the tap water is cold. Attempts to fix it light the flame but it goes off a few seconds later. Is it dead?
Alice, February 2010
its probably the diverter valve in the boiler


paul

paul beckett gas engineer, February 2010
link Click here to see other fixes for Vaillant.