With a big shower head, the end result is a shower that provides more coverage, more warmth, and more intensity for a truly drenching shower experience. a more refined showering experience. Simply set the water at your preferred temperature and turn the shower on or off with the volume control handle, without interrupting your set temperature. The thermostatic valves use new technology to protect you and your family from sudden temperature changes. Using air boost technology combines water and air, showers use at least 20% less water than the industry standard, saving you money without compromising performance.