It’s endearing seeing HN discover, and proceed to flip their wig, over decades old tech like heat pumps or in this case, thermostatic mixing valves.
For membership you must write a short motivation to prove you're not a robot. If you're outside of Sweden, or don't speak Swedish, please explain why you should have an account on this instance. Please read the server rules.
@bartek I'm so used to my thermostatic show that I honestly thought it must be pretty standard by now! Even my rental home in 2004 had one!