Product details:

The SI Series Basement Watchdog Professional 1/3 HP Primary A/C Sump/Effluent Pump is built from rugged materials to be able to handle the toughest sump pump environments. The housing is all cast-iron for heavy duty protection. Made with industrial, non-corrosive components, it has stainless steel hardware, carbon ceramic shaft seal, upper and lower ball bearings and an energy-efficient permanent split capacitor (PSC) motor. This 1/3 HP sump/effluent pump handles up to 4,000 GPH and will pass 1/2" solids. The SI-33V sump pump can handle whatever mother nature throws your way-while operating efficiently to save you money.