modbus

Hi, I have a burnt out Room Sensor on my underfloor heating. It is almost 10 years old (installed 2017) and looks like one of the grounding wires from the shielded 4 core cable wasn't insulated and must have eventually touched another wire and caused sparks. I have checked all the other room...

Hi All, I am curious to hear if anyone knows if the Vaillant VR33 Module that can be used to convert Vaillant Boilers to support OpenTherm also works together with the Vaillant AroTherm ASHP range? As far as I can understand Vaillant uses a very old protocol (eBus) for communications between...