Description
AOS Century BN23 1/2 HP 48Y Single-Phase Motor (1-S) Replacement
Introducing the A.O. Smith Century BN23 motor — a 1/2 HP, single-phase replacement engineered for pool pumps, spa equipment, and HVAC systems. With a heritage spanning over 75 years and backed by Regal Beloit America’s global network, this OEM-grade motor delivers dependable performance for residential, commercial, and light industrial installations.
- HP & Speed: 1/2 HP, single-speed (1-S) operation for steady torque and smooth operation across varying loads
- Frame: 48Y frame design compatible with a wide range of pump and equipment housings
- Model Identifier: BN23 for straightforward cross-reference and seamless replacement in existing gear
- Electrical Type: Single-phase PSC-style motor ideal for OEM replacement projects
- Mounting: Durable base-mount interface for simple, secure installation
- Brand & Support: A.O. Smith Century with global supply reach, ensuring availability and consistent quality
This motor is a practical, widely-supported option for homeowners, HVAC technicians, and distributors seeking a reliable, readily procured replacement that aligns with common pool, spa, and heating-cooling equipment. It delivers consistent performance, easy procurement through a global network, and broad compatibility thanks to the 48Y frame and BN23 identification. For best results, verify the nameplate specs (0.5 HP, 1-S, 48Y), shaft diameter, mounting pattern, and rotation direction before installation, and keep the service manual handy for wiring guidance and torque specifications to prevent misalignment or overheating.
Meet the A.O. Smith Century Motor 1/2 HP – BN23 (1-S, 48Y). This dependable replacement motor is crafted for residential, commercial, and industrial applications, delivering steady performance for pool pumps, spa equipment, and HVAC systems. With a heritage of more than 75 years in electric motors and now backed by Regal Beloit America’s global reach, this unit combines proven reliability with wide availability for continuous operation.
Where this motor fits and how it helps
- 1/2 HP, single-speed operation (1-S) for consistent torque and smooth performance in a variety of equipment.
- 48Y frame size designed for broad compatibility with common pump and motor housings.
- BN23 model identifier for straightforward cross-reference and replacement in existing installations.
- Ideal for pool and spa systems, HVAC-related motors, and other residential, commercial, and industrial applications where a durable replacement is needed.
Why this motor stands apart
- Trusted lineage: The A.O. Smith/Century brand has guided electric motor reliability for decades, continually serving OEMs and service professionals with durable, easy-to-procure replacements.
- Global manufacturing, local reach: Part of Regal Beloit America, this motor benefits from a worldwide supply network that helps ensure availability and consistent quality across markets.
- Designed for replacement efficiency: Built as a practical OEM replacement option, reducing installation time and compatibility concerns for pool, spa, and HVAC equipment distributors and technicians.
- Proven pool/spa heritage: The Century line has long supported pool, spa, and jetted-tub applications with dependable, switchless PSC-style performance when applicable, aligning with common service needs.
Tips for install, use, and maintenance
To ensure optimal results, match the nameplate specifications—1/2 HP, 1-S speed, and 48Y frame—to your equipment. Verify shaft diameter and mounting pattern, electrical connections, and rotation direction before installation. Keep the original wiring diagram handy and refer to your unit’s service manual for wiring guidance and torque specs to prevent misalignment or overheating. Regular inspection of mounting hardware and electrical terminals will extend motor life and maintain efficient operation.
Who benefits from this motor
- Homeowners upgrading aging pool pumps, spa jets, or hot tub circulation systems seeking reliable, readily available replacements.
- HVAC technicians and contractors needing a trusted, OEM-replacement option for single-speed, 1/2 HP applications.
- Retailers and distributors serving the bath, pool, and HVAC markets looking for a proven, widely-supported motor family.
With A.O. Smith Electric Motors and Century Electric Motors, you’re choosing a legacy of quality, backed by a global network and a broad catalog of replacement motors designed to keep equipment running efficiently year after year.
| 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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| 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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