Danfoss RAS-D Sensors thermostatic radiator sensor, OEM order code 013G5022 — a remote (off-valve) thermostatic operator: the liquid-charged sensing bulb reads the room air and is linked to the valve head by a 2 m capillary tube, for radiators that are boxed in, curtained or close to the floor. It fits Danfoss RA radiator valves via the RA connection (ra-click fixing) and needs no wiring or batteries. Temperature setting range 8 °C to 28 °C; sensing charge liquid; housing colour White RAL 9016. The head provides built-in frost protection (holds a minimum setting at the snowflake position), maximum/minimum temperature limiting and set-point locking with concealed pins under the dial. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 013G5022). OEM P/N 013G5022, EAN 5702420020761. HS 9032.10 (thermostats).