The Cersanit Zen is a built-in thermostatic mixing valve for two functions in a black finish. This model features a built-in element with a round cover plate measuring 200 mm in diameter for flush installation. It includes a thermostatic cartridge that regulates water temperature for two-way operation with a switching function. A safety lock prevents scalding by limiting the maximum temperature to 38 °C. The faucet delivers constant flow rates of 19.69 l/min and 20.7 l/min depending on the function selected. The SafeTouch technology ensures that the faucet housing remains cool during use, enhancing safety. Connection is made via G½ threaded fittings. Made from durable materials, this thermostatic mixer provides reliable temperature control and water flow management. The black surface gives it a modern appearance that fits various bathroom designs. Installation requires professional mounting into the wall surface. The thermostatic mechanism maintains stable water temperature despite pressure fluctuations in the supply system. This built-in design creates a streamlined appearance while providing essential shower control functions. The product is suitable for residential bathroom applications where precise temperature control is required. The two-function operation allows for easy switching between different water outlets or modes. The safety features make this model suitable for households with children or elderly users. The thermostatic cartridge ensures consistent performance over extended use periods. The built-in method offers a clean, integrated look that enhances bathroom aesthetics. All necessary components for installation are included with the product.