This ShowerWorX Matt Black Twin Thermostatic Concealed Valve & Square Head include the perfect finishing touches to any bathroom, at a perfect price too! Shower Valves Height: 210mm Width: 130mm Depth: 40mm Material: Brass Finish: Matt Black Thermostatic Temperature Control Modern Design Wall Mounted Top dial - controls water to 1 outlet diverter Operating range 20 - 50 deg C with 38 deg C safety button Built-in non-return valves to prevent backflow and filters to protect the thermostatic mechanism Chosen temperature maintained to within +/-1ºC Pre-set maximum temperature Automatic shut off in event of water cold supply failure Suitable For The Following Water Systems Combi-boilers Gravity Fed systems MegaFlow Systems Pumped systems Un-vented systems Pressurised cylinder systems Subject to a minimum pressure of 0.2bar to maximum 6bar (Recommended pressure is 1.0bar) Shower Head 250mm Diameter Slim Square Head Matt Black Finish Shower Arm 300mm Square Wall Arm Matt Black Finish NB: All measurements are approximate. In line with manufacturing policy we reserve the right to amend the specification without any prior notice.