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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
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
link Click here to see other fixes for Vaillant turbomax.