Outdoor sensor of a probe that can be connected to internal unit with batteries - just like every basic “weather station”.

@Markirl I'll vote for YES, but... I have some serious issues with keeping the temperature where I want at all. Does your valve also oscillate and go into annoying open/close cycle? I've described...

@KariBenz thanks for backing up my observations. It's so annoying... I was hoping for an improved comfort and maybe some "side" effect in form of savings, but now it's worse than it was with good old...

@Wayne-TP I have lots of issues with the temperature control - described in my other post. But I also have the same issue as described here - in my case most visible in bathroom that has a single...

@Wayne-TP of course that can be done, but its not as flexible as my proposal, where you can use buttons in variuos ways (like double click, long press, or alternate between left and right relay etc)....

By the way, this should be the algorithm implemented, and not an on/off cycle. This is not an electric boiler, and I have a feeling that someone took that kind of algorithm and put it in KE100... or...