Our revolutionary Grohe TurboStat technology delivers water at your desired temperature within a fraction of a second and keeps it constant for the duration of your shower. Grohtherm thermostats are equipped with the most advanced and precision-made cartridges in the industry. By increasing the sensitivity of the thermo-element, our thermostats react to changes in water pressure twice as fast as before. So, no more time and water wasted fiddling with the controls to get the temperature right. Compensating precisely for fluctuations in temperature and pressure results in a consistent and comfortable shower throughout. The Grohe TurboStat thermo-element at the heart of Grohe thermostats. Exceptionally swift reaction to water-pressure fluctuations.