... than 40°CPH6.5-8.5SituationBe immersed in waterApplicationPumping water from deep well, gardening, fountain and etcPRODUCT FEATUREcompact ... maintenance-free, safe, reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking( ... charged for perfect as always. XINYA 3inch 72V screw solar water pump system for irrigation pumps(3SPS2.3/180-D72/ ...