I agree with bertb, they are fiddly to include. Either its already in another z wave network, or the stella doesn't like your radiator valve, or you have a defective unit. I suggest factory reset (exclusion) first, and also make sure your radiator valve pin is working correctly. Sometimes scale ...

Blinking green light is installer mode (not inclusion mode) and is there just to be able to attack the body of the valve to the ring. For inclusion, keep the round button pressed for 5 seconds (i.e longer than for installer mode), and it should blink red/green. If the z stick is nearby and in ...

Polling will give you temperature readings and valve position updates (% open/closed) depending on your wake up inteval. You can use these readings to activate scenes, control other switches or even turn radiators on using your virtual switches, using blockly or scripts. The batteries will drain ...

Cato do not despair I had the same frustrations as you. The good thing is that you only need to do this once per valve and then they work well The virtual switch should update the comfort set point immediately. If there is no change in your comfort set point (check the utilites tab) then you have ...

I have 4 stella Zs and I also had trouble connecting them to the Z wave network (Pi+Aeon z stick+domoticz) but once they are on they work very reliably. They are all set (by default) to respond to temperature (comfort) set-point control. I have a virtual switch (for each) to turn them on (comfort ...