Packed with useful features, the Grohtherm smart control concealed thermostat features a minimalist design that will enhance any modern bathroom. The innovative Smart control technology allows you to select your desired spray source and adjust the water volume at the push-turn of a button. The three valves offer total flexibility, whatever your shower set up "“ you can control, switch between or even combine different spray patterns and water outlets. Integrated Grohe TurboStat technology prevents any unpleasant temperature fluctuations. Grohe easy logic markings and textured buttons with exchangeable symbols make it easy and intuitive to use. Family-friendly, the Grohe SafeStop override button allows you to set a maximum temperature of 100° F/38° C to prevent scalding. Water-saving Grohe EcoJoy technology gives you the option of a reduced flow rate with no compromise on enjoyment, and, thanks to the Grohe's QuickFix system, it"™s quick and easy to install . Please note that this product must be installed in combination with the Grohe Rapido Smartbox. Grohe 29 136 Features: Constructed of metal Covered under Grohe's limited lifetime warranty Premier finishing process - finishes will resist rusting and corrosion through every day use SmartControl push button for on-off volume adjustment from EcoJoy to Full Flow Single function valve trim only Thermostatic valve cartridge with scald guard Secure mounting assembly Single push button and single knob handle Includes various icons to customize push buttons Maximum flow performance: 7.7 gallons-per-minute Optional flow reducer for CALGreen compliance included Rough-in valve not included - when adding to cart valve options will be presented Grohe 29 136 Technologies and Benefits: Red Dot Award: International symbol for design innovation. Awarded to products that have separated themselves in quality, durability, functionality, and emotional connection to the customer as a mark of their achievement. EcoJoy Technology: The highly innovative Grohe EcoJoy™ technology reduces water consumption by up to 50% without compromising on performance. StarLight Technology: Grohe StarLight® offers a made-to-last finish. The flawless, long-lasting surface is designed to be extremely resistant to dirt and scratches, making maintenance effortless and ensuring good-as-new looks for many years. TurboStat: By increasing the sensitivity to the thermo element and restructuring the internal waterways, our thermostats react up to twice as fast to abrupt changes in water pressure, and are up to nine times more accurate than the leading competitors. The desired temperature is achieved in seconds and is maintained throughout the duration of your shower. The outstanding precision offered by the TurboStat technology also adds to your showers conservation of water. SafeStop: SafeStop is a safety feature for you to set the max temperature at 100°F/38°C Grohe 29 136 Specifications: Valve Trim Height: 6-1/4" (bottom to top) Valve Trim Width: 6-1/4" (left to right)