Improved version of time tested 800 GPH pump and is designed for smaller boats, boats with deep “V” hulls and applications with height restrictions. Totally submersible, compact, efficient and maintenance free. Silent running and vibrationless. Features exclusive Rule moisture tight Teflon seals, water cooled motor, anti-airlock and positive snap-lock strainer base. No burn-out when run dry. Ignition protected. 36 mounting variations. Modular design for easy installation. Nylon impeller design and stainless steel shaft. Power module is replaceable. 4" high, 2-1/2" wide. No switch adapter. Hose is 1-1/8". Hose adapter is item 69, 1-1/8" to 3/4" or 5/8". Automatic switches are 31, 35, 37, 39, 35F and 37F.