... than 40°CPH6.5-8.5SituationBe immersed in waterApplicationPumping water from deep well, gardening, fountain and etcPRODUCT FEATUREcompact structure ... , maintenance-free, safe, reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking(MPPT ... inch 72V screw solar powered solar submersible pump water pumping system (4SPS4.2/120-D72/1300)