Century B128 1 HP Single-Speed Pool Pump Motor, 115/230V, 56J Round Flange
The Century B128 is a 1 HP single-speed replacement pool and spa pump motor designed for compatible pump applications that use a 56J round-flange frame. This motor is built for 115/230V operation and is commonly used where a threaded-shaft, C-face mount motor is required for dependable circulation and filtration performance.
Features
- Genuine Century replacement pool pump motor
- Part number: B128
- 1 HP single-speed motor
- 115/230V, single phase, 60Hz
- 56J round-flange frame
- 3450 RPM
- Service factor: 1.40
- Total horsepower: 1.4 THP
- Approximate amps: 14.4 / 7.2
- 5/8 inch threaded 303 stainless steel shaft
- 7/16-20 UNF-2A right-hand shaft thread
- C-face mount, no base
- Open dripproof enclosure
- Permanent split capacitor design
- Automatic thermal overload protection
- Counterclockwise rotation facing pump end
Applications
This motor is commonly used as a replacement for compatible pool and spa pumps requiring a 1 HP single-speed motor with a 56J round-flange frame and threaded shaft. It is often used on compatible Jacuzzi Ring-Lok R, P, PC, and UP style pump applications and other systems where the original motor matches the frame style, voltage, shaft configuration, and rotation requirements.
Important Notes
- Verify frame type, voltage, horsepower, shaft size, thread size, and rotation before ordering
- This motor is field-configurable for 115V or 230V operation depending on wiring setup
- Designed for round-flange 56J pump applications
- Motor seal and gaskets are typically sold separately
- Not California Title 20 compliant
- Professional installation is recommended
Related Products
Maintenance Tips
- Keep the motor area clean and well ventilated to help prevent overheating
- Inspect the shaft seal area regularly for leaks that could damage the motor bearings
- Make sure voltage is properly set before energizing the motor
- Replace worn seals, capacitors, or bearings promptly to help extend motor life
