The new minimalist Grohtherm cube thermostat series sets a new standard in 100% square design.‎ aligned to the design needs of today’s cosmopolitan men and women, Grohtherm cube offers cutting-edge, geometric styling at an affordable price.‎ Brains.‎ Grohtherm cube is equipped with the most advanced precision-made cartridges in the industry, our GROHE TurboStat® engine.‎ By increasing the sensitivity of the thermo-element, our thermostats react to changes in water pressure twice as fast as before, resulting in a safer and more comfortable bath and shower experience.‎