Rule G.P.H. Automatic Bilge Pump 1500. P.H. Automatic Bilge Pump High pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design Specifications for Rule 1500 G.P.H. Automatic Bilge Pump: Manufacturer: Rule Color: Black Voltage: 12 volts Features of Rule 1500 G.P.H. Automatic Bilge Pump Computerized operation - no float switch required 3 wire version allows manual override or indicator light capability 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 Package Contents: Rule 1500 G.P.H. Automatic Bilge Pump Rule 51S: G.P.H. Automatic Bilge Pump 1500