*** use Option (1) to select Voltage ***
Rule high water bilge alarm consists of a float switch and an in-dash gauge that features both a visual and 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 at7.9 m (26 ft) in length.