Constructed from engineered composites for dependable, corrosion-free service, the energy-efficient Pentair Flotec FPZS50T 1/2-HP 115-Volt Submersible Thermoplastic Sump Pump delivers high-output performance for your home's water removal needs. With a maximum output of 4200 gallons per hour (GPH), this pump has a max lift of 22 feet and handles up to 3/16-inch solids. Use the tethered on/off float switch in smaller sump basins, operating in 14-inch basins or larger. With the included piggyback plug, you have the option of operating the pump manually or automatically. In addition to the corrosion-resistant thermoplastic construction, the zinc motor housing allows the pump to dissipate heat quickly and extends motor life. This pump includes a 1-1/2-inch NPT discharge, 8-foot grounded power cord, piggyback-style switch for automatic or manual operation, a detailed owner's manual, and a 1-year limited manufacturer's .