General description Experience a luxurious showering experience with the Calla 2 Way Slim Round Ceiling Thermostatic Concealed Bathroom Shower Rail Head. This high-quality shower system features a thermostatic valve with a chrome finish, ensuring durability and style. The system is designed to maintain a chosen temperature within +/-1ºC, providing comfort and safety with a pre-set maximum temperature and an automatic shut-off feature in case of cold water supply failure. Technical specifications Operating range: 20 - 50 deg C Safety button set at 38 deg C Overhead shower diameter: 200mm Slider rail adjustable height: 300mm - 640mm Solid brass swivel joint: 15 degrees Shower hose length: 1.5m Minimum pressure: 0.5 bar Maximum pressure: 6 bar Compatibility and accessories Suitable for combination boiler systems Compatible with gravity fed systems (with a pump) Works with MegaFlo systems Compatible with pumped hot water systems Suitable for unvented hot water systems Standard pressurised