Same problem here. Have ot turn off water heating on boiler itself for heating to start.
No solution to it yet...
adamo
November 2011
If boiler is a combi, then should always provide hot water when requested at the expense of your heat circuit. When you turn off hot tap hot water should then be avaliable to heat circuit again.
Big Joyce
November 2009
I can answer this question...
My vokera hydra boiler gives me either heat or hot water but not both at th?