Description
A.O. Smith Century C-Face 1/2 HP Motor (B656) is a durable, drop-in replacement designed to keep residential, commercial, and light industrial equipment running smoothly. With a rugged C-face mounting and a compact 1-S frame, this dual-voltage motor fits a wide range of standard applications and makes installation straightforward.
Built on the Century/A.O. Smith legacy, this motor embodies decades of engineering discipline and a commitment to dependable performance. Now part of Regal Beloit America’s family, it’s supported by a global network that serves OEMs and distributors alike, ensuring easy sourcing, consistent quality, and solid after-sale support.
Key specifications at a glance
- Horsepower: 1/2 HP
- Voltage: 115/230V dual voltage
- Mounting: C-Face
- Frame: 1-S
- Shaft: Keyed for secure pulley or coupling attachment
- Type: Replacement motor suitable for Century/A.O. Smith equipment and compatible systems
- Model code: B656
Ideal applications
- Pool and spa equipment replacement motors that require reliable, compact, and easily balanced operation
- Residential and light commercial HVAC components such as air handlers and small blowers
- Other small-capacity machinery and pumps that use a standard C-face, 1-S frame motor
What makes this motor stand out
- Proven reliability from a 75+ year heritage in electric motors, trusted by OEMs and service professionals alike
- Dual-voltage flexibility (115/230V) allows a simple match to your existing electrical setup without stocking separate models
- C-Face mounting and 1-S frame deliver broad compatibility with common replacement footprints, reducing retrofit time
- Keyed shaft ensures a secure, vibration-resilient connection to pulleys or couplings for smooth, quiet operation
- Backed by Regal Beloit’s global manufacturing and distribution network, supporting fast availability and consistent quality
Installation and compatibility tips
- Verify that your equipment’s voltage setting matches the motor (115V or 230V). Wire accordingly to avoid damage and maintain efficiency
- Check that the shaft is compatible with your pulley, hub, or coupling—this model uses a keyed shaft for secure attachment
- Ensure mounting holes align with the existing equipment’s C-face footprint and that the 1-S frame fits within the space constraints
- Consult your original equipment diagrams to confirm fitment, then replace any worn fasteners to maintain a solid installation
When you need a dependable, manufacturer-backed replacement that echoes the trusted Century/A.O. Smith standard, the B656 1/2 HP C-Face motor is designed for long service life and straightforward installation. It’s the practical choice for maintaining performance across pool pumps, spa gear, and core HVAC components, backed by a legacy of quality and ready access through established distributors and OEM channels.
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WHY USE A.O. SMITH (AOS)/CENTURY PRODUCTS? |
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Regal Beloit America, Inc. (Century Electric Motors / A.O. Smith Electric Motors) is a leading supplier of electric motors for residential, commercial, and industrial applications. With operations in the United States, Mexico, China, and Europe, Regal Beloit America, Inc. has the ability to serve its customers electric motor needs on a global basis. We offer a comprehensive line of hermetic motors (used in air conditioning compressors), fractional horsepower A/C and D/C motors, and integral horsepower motors. We sell our products directly to original equipment manufacturers (OEMs), and replacement motors to HVAC and pool/pump distributors. |
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