Grohe Allure New Dual Function 2-Handle Thermostatic Valve Trim - 29178Grohe Allure New Dual Function 2 Handle Thermostatic Valve Trim 29178 Two handle thermostatic trim with integrated diverter for precise temperature and outlet control. Features Thermostatic control maintains consistent water temperature GROHE TurboStat ensures fast and accurate temperature response Upper handle with integrated 2 way diverter Lower handle controls water temperature GROHE SafeStop limits temperature to 100F 38C for safety GROHE LongLife