Zoeller 1/3 HP 2880 gph Cast Iron Vertical Float Switch AC Submersible Sump Pump 9 ft³Protect your basement or crawl space with the Zoeller pro 0. 33 HP sump pump. This pump features a premium Zoeller float switch tested to 1,000,000 cycles for reliable water removal and long pump life. The 0. 33 HP Motor quickly eliminates water from your sump pit providing up to a 48 GPM. The rugged cast iron construction and non clogging vortex impeller provides long term peace of mind. Instructions and a quick start guide are included for your