General description The Calla Round Concealed Thermostatic Shower Valve Mixer Set combines functionality and style, featuring a thermostatically controlled valve that ensures a comfortable shower experience. The set includes a ceiling-mounted shower head and a handheld handset, both designed with high-quality materials for durability and ease of use. Technical specifications Operating range: 20 - 50 deg C Safety button set at: 38 deg C Temperature maintenance accuracy: +/-1ºC Minimum pressure: 1 bar Maximum pressure: 6 bar Compatibility and accessories Suitable for combination boiler systems Compatible with gravity-fed systems (only with a pump) Works with MegaFlo systems Compatible with pumped hot water systems Suitable for un-vented hot water systems Package includes: 1 x Thermostatic Concealed Valve, 1 x Ceiling Mounted Shower Head and Arm, 1 x Handset, complete fitting accessories Installation Easy to fit - no tools required UK standard size fitting Usage Top dial controls water