ATTWOOD AUTOMATIC FLOAT SWITCH

Converts any bilge pump that draws 10 amps or less at 12 volts DC 6-32 volts DC only to fully automatic operation. Because the manual pump may already be installed in a confined area, the switch features a compact, low-profile design. It can be mounted on any surface from horizontal up to a 35 degree angle. The switch mechanism is completely isolated and sealed to resist moisture, fume-ignition, and electrical shock, and contains no harmful mercury or flexing wires. - Actuates pump motor at 2" water level - Dimensions: 2-5/8"H x 3-7/8"W x 4-1/4"L.