The small water heaters for undersink installation make their case in many ways. They are equipped with a variable temperature selection from 35 °C and 85 °C, enabling water to be drawn at all times at the same temperature. The optional temperature limits at 38, 45, 55 or 65 °C act as anti-scalding settings or can be used as economy settings. With the SNU 5 SL anti-drip-comfort, the anti-drip function prevents the tap from dripping during heating up, which in turn prevents scale deposits and saves water. Furthermore, the Thermostop function prevent heat from being radiated via the mixer tap in standby when operating the SNU 5 SL anti-drip-comfort, SNU 10 SL comfort and the UFP 5 t.