Radiator Valve; Type Thermostatic; Body Configuration Angle; Nominal Size 1/2"; End Connection Soldered x Soldered; Body Material Nickel Plated Bronze; Seat Material EPDM; Temperature Rating 248 Deg F; Pressure Rating 150 PSI Hot Water, 15 PSI Steam; Inclusions/Features Valve Seat Disc; Application Hydronic Heating System, Hot Water, Steam; Differential Pressure Rating 17 PSI; Capacity 127000 BTU/HR