for integrated valves in radiators, the clamp connection with knurled nut allows direct connection to thermostatic inserts that do not have the M 30 x 1.5 connection thread, scale cover white RAL 9016, liquid-filled thermostat, stable control behavior even with small design control differences (<1 K), in accordance with EnEV and DIN V 4701-10, setpoint range 6-28 °C, number of features 1-5, frost protection, max. sensor temperature 50 °C