838

Hi, I've moved into a new place and it has a Vailant 838 combi boiler which was installed in the last few months. I've noticed when you turn the hot water taps on it takes 15-30sec for the water to warm. I was reading if you turn on comfort mode it should speed things up, but I don't seem to...

Hi all, Just wandering is the nest compatible with the vaillant ecotec 838 plus combi boiler? And if so, does anyone have an appropriate link with how the wiring should be undertaken. The boiler is a brand new install with no current thermostat installed. Any help and advice would be largely...