. Zana Matt Black Dual Control Square Concealed Valve - 1 OutletSummaryThis Zana Matt Black Dual Control Shower Valve adds a sleek minimalistic touch to any shower. With a modern matt black finish this valve will suit most of our shower sets to help you build your ideal suite. Features Tap Type . Shower Valve Style . Modern Valve Accessibility . Easy accessible check valve Temperature . Pre-set 38°C with push button override to 48°C Function . Automatic shut off in the event of hot or cold water supply failure Min Pressure and; Flow Rate . 0.5 bar (flow rate of 10.5 litres) Max Pressure and; Flow Rate . 3.0 bar (flow rate of 26 litres) Weight . 2.67Kgs Material . Brass Valve Type . Concealed Outlet Size . G 1/2 Inlet Size . G 3/4 BS or European Standards . EN1111 WRAS Approved . No Finish . Matt Black Warranty . 10 years against manufacturer faults Features . Thermostatic Cartridge Suitable for - Combination Boilers. - Pressurised Systems. - Pumped Systems. - Gravity Fed Systems (which may require a pump) .