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.
The High Water Bilge Alarm consists of a non-mercury float switch and an in-dash gauge that features both a visual and an audible 85 db alarm. This unit allows an unmanned compartment to be constantly monitored. For additional compartments, add additional Rule Float Switches. Complies with CFR 182.530 which requires a visual and audible alarm in each unmanned space on commercial vessels at least 26' (7.9m) in length.