... efficiency and reliablity;2, DC motor,low maintenance, 10 years of life;3, Environmental materials;4, Operate automatically,no need ... solar water pump, and 8 years for solar controller.Working Principle: Application range :of solar pump, solar water pump, solar submersible pump ... water8. Dripping irrigation.* Down below is a map showing the working of solar water pumps for a home's drinking water: DC ...