Danfoss RAS-D2 Radiator Pack thermostatic radiator valve set (TRV set), OEM order code 013G6018 — a matched 3-elements package for a single radiator: Includes RAS-D2 sensor, RA-FS 15 mm bi-directional straight valve, lockshield valve, 10/15 mm fittings and Allen key for fixing sensor. Straight pattern, valve size 10/15 mm. The RAS-D2 sensor is liquid-charged and self-acting (setting range 8–28 °C, no power or wiring); the RLV-D return/lockshield valve allows the radiator to be balanced and isolated for service. Genuine Danfoss parts; technical data quoted verbatim from store.danfoss.com (code 013G6018). OEM P/N 013G6018, EAN 5702420063485. Used in commercial refrigeration, provision-room cooling and reefer plant rooms across HFC, HFO and CO2 (R744) refrigerants.