Rule GPH Non-Automatic Bilge Pump w/6' Leads 2000. The Rule 2000 is the best selling high capacity submersible bilge pump in the world. 1-1/8" (28.6mm) discharge outlet. Specifications for Rule 2000 GPH Non-Automatic Bilge Pump w/6' Leads: Manufacturer: Rule Color: Black Voltage: 12 volts Features of Rule 2000 GPH Non-Automatic Bilge Pump w/6' Leads Gallons Per Hour: 2000 Operation: Non-Automatic Outlet Size: 1-1/8 Power - Max Continuous (Amps): 8.4 amp Volts: 12v Package Contents: Rule 2000 GPH Non-Automatic Bilge Pump w/6' Leads Rule 10-6UL: GPH Non-Automatic Bilge Pump w/6' Leads 2000