Thermostatic Valve Top dial - controls to one water diverter Middle dial - controls water temperature Bottom dial - controls to one water diverter High-Quality Design Chrome Finish Thermostatically controlled Manufactured from highly durable brass 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 UK standard size fitting Shower Head With Ceiling Arm Details Showerhead dimensions - 200mm x 200mm Chrome Finish Solid Brass Arm Length - 120mm Subject to a minimum of 1.0 bar water pressure 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 of 1.0 bar water pressure Package Contents Thermostatic Valve Shower Head Shower Rail and Handset