DescriptionMaster Spas PUMP, 10A, 2SP, 230V, 56FRPart Number: X320558 this replaces X320528, X320525, X32050510 amp hybrid, 2 speed, 56 frame pump that Master Spas started using in 2015.Executive wet end designed specifically for 56-frame motorsTwo double shielded ball bearings with moisture resistant grease for quieter operation and longer lifeTwo speed motors have four sets of insulated windings for increased efficiency56-frame motor for added strength, cooler operating temperature and longer motor lifeLarge 2 ½” intake for improved flow performance and reduced noiseLarge 6 ½” diameter wet end for higher head pressureSplit capacitor, (start and run) for less energy consumptionThermally protected to extend life expectancy of motorHighly versatile wet end can be rotated every 90°Viton seals