... heat pump water heater, water heater, safe, environmental protecting, energy saving Heat pump water heater is the newly-developed technology, which the heater absorbs the ... 300L3) Maximum water temperature: 60°C4) Optional solar coil inside the tank for connecting the water from solar heater5) World ... timing and auto-defrost function8) More reliable electric heater for option, with high-temp(90°C) self ...