Wayne Water Systems 4003742 1 by 2 HP 5100Gph Stainless Steel Vertical Float Swi Tested to 1 million cycles For performance that lasts Wayne Pumps exceeds an average life of 1 million cycles Wayne Pumps energyefficient motors and engineered design provide the ultraquiet experience you wont believe The Hardest Working Pumps Youll Never Hear Durable epoxycoated and rugged cast iron construction for long life in tough sump pump applications High performance max flow rate is 5100 Gallons Per Hour 3840 GPH at 10 ft of discharge lift Integrated vertical float switch with solid leak free polypropylene float for automatic operation 9 in On level and 4 in Off level No need for weep holes Unique top suction design reduces clogging and prevents air lock condition Engineered with upper and lower ball bearings in sealed oil bath for virtually silent operation Designed with Premium John Crane CarbonCeramic Shaft Seals for quality that lasts Specifications. Maximum Discharge Flow 5100 gph. Housing Material Stainless Steel. Pump Switch Type Vertical Float Switch. Product Type Submersible Sump Pump. Sump Pump Outlet Diameter 112 in. Turn OnOff Level 9 in4 in. Agency Compliance CSA and UL. Maximum Discharge Flow: 5100 gph. Housing Material: Stainless Steel. Pump Switch Type: Vertical Float Switch.