Danfoss M30x1.5 REGUS Thermostat radiator valve head 015G3630 TRV heating
Danfoss Regus. ® Sensors, Standard, Liquid, Sensor type: Built-in sensor, 8 °C - 28 °C, Danfoss Mio; M30x1.5. ™ thermostatic sensor for valves with M30x1.5 connection. These can be replaced without draining down the system.