Cartridge Bilge Pumps 1000 GPH. The 1000 GPH incorporates some of the most advanced features in the industry, features developed from service in a wide variety of uses including racing, cruising, sport fishing, and demanding commercial duties. We have improved the design with easy-to-install Dura-Port discharge ports to eliminate stress cracking caused by over-tightened hose clamps. The pumps are delivered including both a straight and a 90 degree smooth elbow Dura-Port as well as a removable check valve. Both the Cartridge and the Ultima Combo pumps may be manually operated via the Johnson Pump bilge control panel. CE-approved. Features Compact, all-in-one motor/impeller unit. No tools needed for maintenance. Extremely energy efficient. Water-cooled motor for long service intervals. Meets the international standard, ISO 8849 marine. Capacity 3 ft 0.9 m head 13.6 V 50 l/min 800 GPH. Capacity Straight 63 l/min 1000 GPH. Amperage 3.2 A. Fuse Size 5 A. Connection 3/4 . Ma The 1000 GPH incorporates some of the most advanced features in the industry, features developed fro Compact, all-in-one motor/impeller unit. No tools needed for maintenance Meets the international standard, ISO 8849 marine Capacity 3 ft 0.9 m head 13.6 V 50 l/min 80