Cast Iron Submersible Sump Pump with Float Switch Cast Iron Choose between a 1/2 or 1/3 HP sump pump with rugged cast iron motor housing, 1-1/2" NPT discharge, and tethered float switch for automatic operation Highly Efficient Highly efficient, overload protected, oil-filled motor for dependability and long life Vortex Impeller Non-clogging vortex impeller effectively removes lint and debris - easily passes 3/8" solids Your Source for Premium Home Water Supply Components As one of the oldest water system manufacturers available in retail, Star Water Systems has unparalleled experience meeting homeowners' needs. Since 1866, we've manufactured premium home water supply components, delivering dependability and efficiency. Star 3SDHL Cast Iron 1/3 HP Submersible Sump Pump with Tethered Float Switch Star 5STS 1/2 HP Cast Iron Submersible Sump Pump with Float Switch Add to Cart Add to Cart Customer Reviews 4.0 out of 5 stars 1 — Price $169.00$169.00 $164.46$164.46 Material Cast Iron Cast Iron HP 1/3 1/2 Gallons Per Minute Dischare 54 GPM 60 GPM