https://www.grohe.ru/ru_ru/grohtherm-800-dn-15-34567000.html  Grohtherm 800 Bath thermostat, DN 15 - wall mounting - GROHE SafeStop safety stopper at 38 ° C - GROHE SafeStop Plus optional 43 ° C temperature limiter included - GROHE TurboStat built-in thermocouple - built-in stopper of mixed water - pressure control with GROHE EcoButton water-saving button and individually adjustable stopper - built-in check valves - anti-backflow dirt filters - minimum pressure 1.0 bar