... temperatureLess than 40°CPH6.5-8.5SituationBe immersed in waterApplicationPumping water from deep well, gardening, fountain and etcPRODUCT ... -free, safe, reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking ... accident or mishandling during shipment, connecting to improper line voltage, or serviced by anyone other than an authorized ...