Danfoss RLV-KS — manual H-piece radiator valve for two-pipe hydronic heating systems, OEM order code 003L0220. The RLV-KS is an H-piece (H-block) valve with integral shut-off for bottom-connected panel radiators in two-pipe systems, providing both flow and return connections on a single 50 mm centre-to-centre body. It allows the radiator to be isolated for service. RLV-KS DN 15, straight pattern, 50 mm centre-to-centre. Body brass, finish Nickel plated. Connection to system G 3/4, connection to radiator G 1/2, Kvs 1.3 m³/h. Max. working pressure 10 bar, test pressure 16 bar, flow temperature up to 120 °C. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 003L0220). OEM P/N 003L0220, EAN 5702420035864. HS 8481.80.