Waterway 3712021-1D 5HP 230V 1-speed 56 frame executive pump. Features: executive wet end designed specifically for 56-frame motors two double shielded ball bearings with moisture resistant grease for quieter operation & longer life two Speed motors have four sets of insulated windings for increased efficiency 56 frame Motor for added strength, cooler Operating temperature & longer Motor life split capacitor, (start & run) for less energy consumption thermally protected to extend life expectancy of Motor. Highly versatile wet end can be rotated every 90 Degree Viton seals