Grundfos SL wastewater pumps were designed for raw water intake, commercial wastewater, municipal wastewater, industrial wastewater, process water, and stormwater runoff applications. Innovative technologies bring together intelligence, motors, hydraulics, and functionality to meet the challenges of modern wastewater—maximizing the hydraulic, electrical, and mechanical efficiency of your pumps. The solids-handling SL pump series ranges from 1.5 to 15 hp and is available with either the SLV/SuperVortex Impeller or the SL1/S-Tube Impeller.