The DHB-E instantaneous water heater unit offers all the major comfort settings of an electronically-controlled device. The actively controlled output compensates for pressure fluctuations in the water supply, guaranteeing you a pleasant shower. Temperature fluctuations or waiting "forever" for hot water are definitely a thing of the past. After all, the DHB-E consumes up to 20 % less energy and water than hydraulically controlled units, thanks to its modern electronics.