Traditional concealed thermostatic shower valve with integral flow valves and engraved concealing plate made in solid brass. 15mm inlets. 3/4" outlet. Choose from our distinctive handle styles in fine English porcelain or solid brass. This product is available in all four brassware finishes with additional options including the choice of black levers and indices. Each St James Collection thermostatic shower valve is fitted with the very latest in thermostatic cartridge technology that ensures optimum temperature control and safety. The thermostatic showers are also dual control, so that water flow and water temperature can be independently operated.