Overview Product Description B237 Century Waterway 4.0 HP-SPL Features: Ball Bearings, 50C Ambient, 3/8-16 UNC-2A threads includes Slinger, Four thru bolts on a 5.812 Bolt Circle, Auto Protector, Permanent Split Capacitor 4.0 HP-SPL 3450 RPM 230 VOLTS 12.0 AMPS 56Y FRAME INSULATION CLASS B TWO SPEED MOTOR Cross References: 193317 TS605 Application: Replacement Spa and Hot Tub OnlyNot for pool filtration in California or New York Product Videos Custom Field Product Reviews