Product Description The WAYNE CDU980E 3/4 HP Submersible Sump Pump delivers powerful water removal performance in a durable cast iron and stainless steel design. Moving up to 5,490 gallons per hour, this pump helps protect basements from heavy rain and groundwater intrusion. Its vertical float switch ensures reliable automatic operation, while the top suction design reduces air lock and clogging. Assembled in the USA and backed by a 5-year warranty, the CDU980E provides long-term protection and peace of mind From the Manufacturer The Wayne CDU980E submersible sump pump can move up to 4600 gallons per hour (gph). The top suction design filters debris and minimizes clogging. It is a rugged, stainless steel and cast iron submersible sump pump. This pump is designed for 11-Inch diameter and larger sump pits.Intended for indoor use only.