Description

Century® B129 Pump Motor – 1.5 HP, 56J Frame, Threaded Shaft

Reliable Single-Speed Replacement Motor

Features Benefits

• Durable Construction – Built for long-lasting operation in demanding pool spa environments

• Effective Horsepower: 1.95 – Thanks to a 1.3 service factor, this motor delivers more power than standard 1.5 HP models

• Dual Voltage Design – Operates on 115V or 230V single-phase systems for versatile installation

• Threaded Shaft – Standard 56J flange motor design for direct pump compatibility

• Energy-Saving Run Capacitor – Includes 25 MFD, 370V capacitor (top mounted, OPT# 5270-08) for efficient performance

Specifications

• Catalog #: B129

• Part #: 8-164304-24

• Horsepower (Label): 1.5 HP

• Service Factor: 1.3

• Total HP (Effective): 1.95

• Voltage: 115/230V, Single Phase

• Amps: 18.4A @ 115V / 9.2A @ 230V

• Frame: 56J (Threaded Shaft)

• Speed: Single Speed, 3450 RPM

• Length: 11″

• Shaft Length: 2.5″

• Diameter: 6.5″

• Mounting Holes: (4) at 5-7/8″ center-to-center

• Capacitor: Run capacitor, 25 MFD, 370V (mounted on top of motor)

• Shipping Weight: 32.6 lbs

Applications

• Common replacement motor for pool and spa pumps requiring a 56J threaded shaft motor

• Designed for compatibility with multiple OEM pump brands

⚠️ Tech Tips Cautions

• ⚠️ Always match amperage rather than just horsepower when replacing pump motors

• ⚠️ Replace the shaft seal when installing a new motor to prevent leaks (sold separately)

• ⚠️ Professional installation recommended

Other Options:

• Dual Speed -B2977

• Variable Speed – EVC225

Motor Dimensions