Sorry about the technical side. Before, if i used the taps hot water only this was not a problem water never went cold but now it does it seems to go hot for a min then the heating cuts out for a min the starts again. Before it never did this. As for the shower this has always been the same...
I have a combi Vokera Excell 80SP heating my running water and radiators water also mixer shower valve. I am having some probs, first the boiler being doing this over the last month but more common now. Before constant hot water now hot for 1 min then cold for one minute. Now the Shower. Mixer...