Bilge pump switch & notification system. Primary protection, to activate a bilge pump when it senses the presence of water and a secondary system for added protection or a backup against primary system failure. The 257 can be connected to any auxiliary system such as a second bilge pump, audio alarm or visual alarm.
Dimensions: 2-1/8"W x 3-1/8"H x 1-5/8"D
Max. main load: 15 amps @ 12V
Max. aux load: 10 amps @ 12V
Max. total load: 20 amps @ 12V
7 year limited warranty