Rule 1500High pumping capacity and reliability at a lower cost. The Rule 1500 offers more pumping capacity and more exclusive design features than any comparable competitive pump. 1-1/8"" (28.6mm) discharge outlet. 12 Volts DC unless noted.Features:Computerized operation - no float switch required3 wire version allows manual override or indicator light capabilityFully SubmersibleEasy clean snap lock strainerSilent and vibrationless operationAnti-airlock protectionCompact efficient long life motorIgnition protectedNo burn-out when run dryRust and Corrosion protectionUsed by leading boatbuilders worldwidemarine grade blocked wiringProduct : RULE 1500 GPH AUTOMATIC BILGE PUMP Manufacturer : RULE Manufacturer Part No : 51S UPC : 042237084965