... , positive displacement pumps (diaphragm, piston, helical rotor, etc.) are best used where the TDH is high and the daily volume ... less water. We have several charts available to determine the best wire and pipe sizes to use for your pumping application so ... Battery, Mainframe box, Controller, Inverter, Pump, Pump protector, cable(18M), Wire rope Do not includeWater pump outlet pipe and solar panels ...