Featuring a powerful new high flow impeller design that provides the most efficient and highest true capacity flow in the category, this new 800GPH bilge pump is available pre-wired with the popular Ultima Switch for automatic operation. The Ultima Switch has no moving parts, is fully electronic, and does not get affected by oil or debris. External switch allows easy replacement without having to remove or replace pump. Pump features replaceable and upgradeable Aqua Series cartridge motors that include the industry's first in-line quick change connector for simple plug and play replacement that requires no cutting or splicing of wires. Offers small footprint and one-hand easy motor removal. Includes both straight and 90 degree redesigned heavy duty dura-port connections and removable check valve. 12V.