The Pump Switch is an extremely reliable control system designed for the automatic control of small horsepower pumps. Two 3” Mini-Floats, a heavy duty, definite purpose contactor, and watertight connectors are mounted into a corrosion resistant, gasketed, Noryl box. A terminal strip with quick disconnects and pigtails is provided for easy field connection of the floats, pump, and power leads. Half inch threaded conduit holes have been provided for the power connection and watertight connectors. the Pump Switch units are used for pump out operations, but can be used for pump in applications by specifying normally closed floats.