SPARES2GO Thermostatic Radiator Valve Max Working Pressure: 10 bar Max Flow Temperature: 110°C Max Pressure Drop: 46 Ft. W.G. Max Differential Pressure: 1.0 Bar Temperature Range: 8°C to 31°C Position 3: 20°C Position *: Frost Protection Please Note: Before removing radiator the shut off cap must be refitted and fully closed or the system drained down. Premium quality compatible radiator valve., Manufacturer: SPARES2GO