The Wayne EEAUP250 1/4 HP (horsepower) water removal pump is ideal for crawl spaces, flat roofs, window wells, and other problem areas around the home where water accumulates. Its energy efficient oil-free motor pumps up to 3,000 GPH (gallons per hour) and removes water down to within 3/8″ of the surface. Just plug it in and leave the pump unattended for worry-free water removal. The EEAUP250 senses the presence of water and only operates when needed, and its sealed thermoplastic construction is safe for submersible operation. Automatic On/Off electric water removal pump. iSwitch technology turns pump on and off by sensing the presence of water; removes water down to 3/8″ of surface. Corrosion resistant, sealed thermoplastic construction. Fully submersible. 1/4 HP; max. flow rate is 3000 GPH; 1850 GPH at 10; of discharge lift. 1-1/4″ discharge with 3/4″ garden hose adapter. Can be left unattended to remove water from flooded basements, window wells, boats, stock tanks, flat roofs, low spots in driveways.