viessmann vitodens 200

I have had Viessman Vitoden 200 for ~6 years. Have had almost no issues with it, works brilliantly. However the central heating has stopped working in the last couple of weeks. The boiler seems fine, no fault code, green light, hot water good etc. The only problem I can actually see is that the...

Hi, I have conflicting information from 2 different plumbers/Viessmann itself and not sure what is correct. My system is a Viessmann vitodens 222-f which powers UFH downstairs and rads upstairs. We have no internal thermostats anywhere in the house and just work off of the weather compensator...

Hello, I'm hoping someone could help. I'm looking to fit a Vitocom 100 (type LAN 1) unit so heating/hot water can be controlled remotely through the Viessmann app. My current setup is as follows: - Viessmann Vitodens 200 WB2C boiler - Vitotronic 200 HO1A control unit (standalone unit fitted in...