Thanks everybody for the valuable feedback.
That confirms my initial assumptions.
I am planning to replace the wired Dunfoss with a wired TADO thermostat. Based on your feedback it should be an easy swap and should not influence the hot water supply.
I assume then it is just a matter of wiring the brown cable to COM (common) and black one to NO (normally open) on the Tado thermostat?
The wiring diagram can be found at below link...
Our electric central wet system consists of an electric boiler (Heatrae Sadia Amptec C900), a hot water tank (Cyclone CY200), a wired Danfoss TP5000 thermostat and multiple radiators in each of our rooms in our apartment.
I am not able to see any receiver attached to the electric boiler so I...