Thermostatic control head

Description: 

Thermostatic control head for convertible radiator valves.
Built-in sensor with liquid-filled element.

For valves 338, 339, 401, 402, 425, 426, 421, 422, 455, 220, 221, 222, 223, 224, 225 and 227 series.
Graduated scale from ❄ to 5 corresponding to a temperature adjustment range from 7°C to 28°C.
With adapter.