Master Plumber, 1 HP, 115/230V, Convertible Jet Pump, Cast Iron, 30-50 Pre-Wired Pressure Switch, Water Depths To 100-Ft. Or Less, Rugged, Heavy Duty Cast Iron Pump, Housing Ready To Install, 115V Motor See Manual For 230V Conversion, Maximum Pumping Capacities To 12.9 GPM, Ejector Not Included.