This angled TRV in flat brushed black from the Talus Bold range pairs bold contrast with modern control. Constructed from solid brass, itÃs thermostatic and fits 15mm pipework and Ω" BSP radiator connections. Backed by a 5-year guarantee. These valves have a 10mm pipework connection, so will fit pipework of the same size. Weight: 1.1684499886 Pounds, Manufacturer: UK Radiators.