Superior Pump model 91346 1/3 Hp Submersible Automatic Utility pump is ideal for water removal from crawl spaces, window wells, standing water, basements and numerous other water transfer applications. This powerful, yet compact auto utility pump moves up to 2580 Gal. of water per hour and has a maximum lift of 30 vertical feet. The pump is automatically activated when water levels reach approximately 1-1/2 in. above the base of the pump and will turn off when water levels drop below approximately 1/8 in. This pump features a 30-second delayed shut off which allows the pump to continue pumping excess water below the shut off level. 3/4 in. garden hose adapter is included.