This would be an excellent feature and easily integrated into Google home. When the home is set to away, put all radiator valves into off mode

+1 this. This feature would be excellent and help diagnose heating ussues

I'd like a feature where I could sync one or more of my KE100 radiator valves to my main thermostat which is a Google nest, so that when I adjust my main thermostat temp, my radiator valves adjust...

Is there any way of setting an automation, so if I manually change the temperature of my Google nest thermostat, it can also automatically sync the KE100 radiator valves in adjacent rooms to the same...

@Freddo75 the Kasa smart radiator valves allow you to set routines based on temperature, but not the temp sensors.

I contacted TP link through the chat and they sent me a trial version of the Tapo app, and now everything works again. So clearly it's an issue with recent app updates