@DialMforMarius thanks a lot for your help. I observed the last couple of days and must say I am so happy with the heating behavior. These random heating peaks seemed to be gone and it heats when it...

@DialMforMarius Thank you very much. Meanwhile I put the device in sleep mode and can say I don't have these random heating peaks anymore. However, I guess sleep mode will not do anything else, so it...

@Solla-topee Sure I can share the last couple of days if it helps to improve: In the picture of the 6th you can see the moment, when I wrote the last time. The first peak is the random opening of the...

@DialMforMarius I've done the calibration already several times. Every time I checked the vavlue if it installed properly because of this behvaiour. And I can say it is. It is mounted on a m30 thread...

@DialMforMarius I have exactly the same problem. The thermostat is installed properly and it closes completely most of the time. About every hour it opens the valve for a short time, which heats the...