This angled TRV in gloss white from the Stirling Bold range blends traditional colour with modern shaping. Made from brass and suitable for 15mm pipework and Ω" BSP radiator fittings, it's demountable, reusable, and built for daily performance across all water systems. The valve is designed for energy saving and features a 1/2" x 15mm brass construction. Brand: UK Radiators.