Century B2979 2-Speed Pool Pump Motor 2.0/0.25 HP, 230V, 56J Round Flange
The Century B2979 is a 2-speed replacement pool and spa pump motor designed for compatible pump applications that use a 56J round-flange frame. This motor operates on 230 volts and provides both high-speed and low-speed performance, making it a practical choice for systems that need strong flow on demand and lower-speed circulation for quieter, more efficient operation.
Features
- Genuine Century replacement pool pump motor
- Part number: B2979
- 2-speed motor
- 2.0 / 0.25 HP
- 230V, single phase, 60Hz
- 56J round-flange frame
- 3450 / 1725 RPM
- Service factor: 1.20
- Total horsepower: 2.4 THP
- Approximate amps: 11.0 / 1.6
- 5/8 inch threaded stainless steel shaft
- Open dripproof enclosure
- C-face mount, no base
- 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 2-speed, 230V motor with a 56J round-flange frame and threaded shaft. It is often used on compatible Jandy JHP and JHPU pumps as well as select Jacuzzi Ring-Lok style applications where the original motor matches the frame style, voltage, shaft configuration, and rotation requirements.
Important Notes
- Verify frame type, voltage, horsepower, shaft size, and rotation before ordering
- This is a 230V motor only
- Designed for round-flange 56J pump applications
- Hi/low switch may be sold separately depending on the installation
- Motor seal and gaskets are typically sold separately
- 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
- Confirm the correct speed selection and wiring setup before startup
- Replace worn seals, capacitors, or bearings promptly to help extend motor life
