Commodore 1100 GPH Automatic AMP Sensor Bilge Pump - 12V [CM-B31-1100B]1100 GPH Automatic AMP Sensor Bilge Pump 12V The B31 Series Automatic Bilge Pump offers unparalleled efficiency and reliability for marine applications. Designed with a compact, automatic operation, this high performance pump eliminates the need for a separate float switch. With a flow rate of 1100 GPH and compatibility with both 12V and 24V systems, it is perfect for a wide range of vessels. Durable, marine grade materials and advanced features