Danfoss RLV-KS — manual H-piece radiator valve for two-pipe hydronic heating systems, OEM order code 003L0222. 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, angle 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 003L0222). OEM P/N 003L0222, EAN 5702420035901. HS 8481.80.
| Brand | Danfoss |
| Part number | 003L0222 |
| Type | RLV-KS |
| Product group | H-piece valves |
| Description | Standard H-piece with shut-off |
| Function | H-piece (H-block) valve with shut-off |
| Design | Angle |
| Nominal size | 15 |
| Connection to system | G 3/4 |
| Connection to radiator | G 1/2 |
| Distance centre-to-centre | 50 mm |
| Kvs value | 1.3 m³/h |
| Application | 2-pipe system |
| Flow temperature (max) | 120 °C |
| Working pressure (max) | 10 bar |
| Test pressure | 16 bar |
| Finish | Nickel plated |
| REACH candidate-list substances | Lead (CAS no. 7439-92-1) |
| Net weight | 0.368 Kilogram |
| Gross weight | 0.37 Kilogram |
| EAN | 5702420035901 |
| HS code | 8481.80 (taps, cocks, valves for pipes, tanks, vats or the like) |
| Material | Body brass, Nickel plated |
| Pressure rating | 10 bar max working (test 16 bar) |
| Temperature range | up to 120 °C (flow) |
| MOQ | 1 |
H-piece valve for bottom-connected panel radiators — pair with a Danfoss RA-N / RA-FN thermostatic radiator valve (or equivalent) on the flow side. DN 15, angle pattern, connection to system G 3/4, to radiator G 1/2. Confirm design, nominal size and connections against the installation before ordering.