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Vaillant turbomax turning off when heating is off - why?

Hotwater in my Vaillant combi turbomax boiler goes cold when the central heating system is off , this is weird that I have to keep my heating on to maintain a certain temperature to keep the boiler on can anyone advise me why this is happening ?

Regards
Dave

April 2008

Dave
April 2008

Vaillant Heating, Home Heating Systems Combi Central System

sounds like the hot water micro switch is not operating, seems as though the valve in moving across but not operating the switch
(diverter valve switch)

gary.wright53@googlemail.com
April 2008

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Vaillant turbomax turning off when heating is off - why?

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