The Zip 3 Phase Electric Water Heater is a single or multi point of use instantaneous water heater for indoor residential application. The unit switches on automatically when the tap is turned on and turns off when the tap is closed. Factory set at 50°C the temperature range of the unit is 20°C - 50°C and can be adjusted by a specialist technician. Designed to be wall mounted the unit has no external controls and automatically heats incoming mains water. Energy consumption is electronically regulated to achieve the set outlet temperature based on the incoming water temperature and flow rate.