Danfoss RTR-C 7070 — self-acting thermostatic radiator sensor (control head) for Danfoss RA, RA-N and RA 2000 radiator valve bodies, OEM order code 013G7070. The RTR-C 7070 is a liquid-charged operator that modulates the radiator valve in proportion to room air temperature, holding a set room temperature without any external power or wiring; the liquid charge gives stable, hysteresis-controlled operation. The temperature-sensing element is built into the setpoint dial, sensing the air immediately around the valve. Setpoint range 8 °C - 28 °C, with a frost-protection setting and provision for maximum/minimum limiting and locking of the set-point. Mounts to the valve for Danfoss RA / RA-N bodies. Genuine Danfoss part; specification quoted from store.danfoss.com (code 013G7070). OEM P/N 013G7070, EAN 5702425204647. HS 9032.10.