Adding TRVZB thermostat to Z2M group - is it possible?


I’m trying to add multiple Sonoff TRVZB radiator thermostats to a Zigbee2mqtt group so that I can control them simultaneously. I have created a new group in Z2M but when I try to add any of my TRVZB devices it doesn’t put them in the group. Are there any certain types of device that can be grouped?

Thanks in advance

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Hello, i have the same Problem. It is not possible to Group the Sonoff TRVZBs. How i can control them simultan for a Room?