Wayne RPP50 Sewage Pump 1/2 hp; max. Flow rate is 5700 gallons per hour; 3240 gph at 10 ft. Of discharge lift Durable, cast iron submersible sewage pump 2 in. Npt discharge capable of handling up to 2 in. Solids Ideal for basement or below grade installations. For use with 18 inch or larger diameter sewage basins Will replace most sewage pumps without any plumbing changes 1/2-Horsepower pumps up to4680-Gallon per hour at 5-Feet of lift 1 Year warranty for replacement parts