... , 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 heat ... -off timing and auto-defrost function8) More reliable electric heater for option, with high-temp(90°C) self-melting ... longer than other kinds of water heaters.4) Easy and convenient:it's easy to install in many places,such ...