Rule 3700, 16A Non Automatic Bilge Pump 3700 GPH Max Marine Outlet Rule 3700, 16A Non Automatic Bilge Pump 3700 GPH Max Marine Outlet SEAFLO 01 Series 3700 GPH Bilge Pump (Choose 12V or 24V) 3700 GPH 12V Non Automatic Bilge Pumps for Boats Boat Marine Plumbing. Rule 3700 Heavy duty construction for both commercial and pleasure boat use; known for trouble free operation and reliability. 1 1 2" (38mm) discharge outlet. 12 Volts DC unless noted. Features: Fully Submersible Easy clean snap lock strainer Silent and vibrationless operation Anti airlock protection Compact, efficient long life motor Ignition protected No burn out when run dry Rust and Corrosion protection Used by leading boatbuilders worldwide marine grade blocked wiring WARNING: This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to P65Warnings. ca. gov.