What is the difference between horizontal and vertical actuator valves apart from the display? I have a kit of vertical actuators but one of my valves is horizontal. Can I use a vertical unit on a horizontal valve.
The only difference is the display, you can attach a vertical Smart Radiator Thermostat to a horizontal valve.
This will simply result in the display being on it's side,
You are seriously telling me that there is not a way to invert the display via firmware or software update?
Yes, it's pretty silly. Would make sense to produce one TRV and have the display orientation set by a software switch