Wayne SEL40 4/10 hp Thermoplastic Sewage Pump with Tether Float Switch 4/10 hp; max. Flow rate is 5800 gallons per hour; 3700 gph at 10 ft. Of discharge lift Reinforced, corrosion-resistant, thermoplastic submersible sewage pump Combination 2 in. / 3 in. Npt discharge capable of handling up to 2 in. Solids Will replace most sewage pumps without any plumbing changes Piggy-back tether float switch for automatic or manual operation