Hi all,
I have a Vaillant ecoTec 832 (combi boiler) with a vaillant RF 350 thermostat and I am looking into replacing it with a smart thermostat either the nest or the hive.
circuit board: https://goo.gl/photos/ZsiE4uNBobobrFnp8
schematic: https://goo.gl/photos/N6vT8yuu9Y5wDRoj8
I am...
