The Commodore 2000 GPH Automatic Bilge Pump is an electric marine pump that utilizes electronic sensing technology to activate only when water is detected, eliminating the need for an external float switch. This unit periodically checks for water every 2.5 minutes and features a quick-connect system for efficient installation and maintenance. Flow rate: 2000 GPH Voltage: 24V Current: 7.5A Head height: 18.04' (5.5m) Outlet size: 1-1/8" (29mm) Electronic sensing: Checks for water every 2.5 minutes, running for 0.5 seconds Construction: Stainless-steel motor shaft, moisture-tight seals, and marine-grade blocked wiring Anti-airlock: Vented impeller housing Integrated check valve: Prevents water backflow Weight: 1.71 lbs Includes: Straight and 90-degree 1-1/8" fittings, quick-connect plumbing, and wiring Model: CM-B31-2000B-24V