Little giant converts any manual pump, up through 1/3 HP, to automatic. Includes two Phillips drive screws and two cable ties. The switch is activated by pressure to a diaphragm which activates a switch providing power to the pump. Pressure to the diaphragm is caused by rising water around the switch housing. Mounting: Replaces the complete switch assembly on the model 5-APCP Pool Cover Pumps. It Can also be attached directly to a model 5-MSP (505025) Utility pump using the two slot drive screws provided. On 2"-3", Off: .50"-1.5".
Rule-A-Matic 12-24-32-VDC switches are by far the most popular choice among professionals worldwide, and the Rule-A-Matic is the best selling float switch in the world.