I have a Wolf CGW-11-100 and there are zero public eBUS definitions for it. Here’s how I built them from scratch. Without any cloud service, without modifying the boiler, and without sending a single control command. The result: live boiler data flowing into Loxone and Grafana for under €30, entirely open-source. I thought this is not gonna be possible My Loxone Miniserver controls a lot of things in the house: Lights, blinds, roof windows, garden irrigation, presence detection, air-conditioning, weather data, energy monitoring and many more. The one thing that was completely invisible to it was the heating system….