Description
Meet the A.O. Smith / Century Motor 1/2 HP (B846) — a smart, reliable replacement designed to keep your residential, commercial, or light-industrial equipment running smoothly. Built on a legacy of more than 75 years in the electric motors industry, this motor embodies the quality and consistency you expect from A.O. Smith and Century, now supported globally by Regal Beloit America.
Why this motor stands out
- 1/2 HP, single-speed performance (1-S) delivers steady, dependable power for a wide range of equipment without the complexity of multi-speed controls.
- Square Flange mounting (SqFl) for straightforward, secure installation in common OEM housings and retrofit projects.
- Dual voltage capability supports 115V or 230V inputs, offering flexible wiring options to fit your existing electrical setup.
- Proven track record from the A.O. Smith / Century family, known for hermetic, fractional horsepower, and integral horsepower motors used across HVAC, pool/pump, and related systems.
- OEM replacement alignment designed to plug into replacement markets and equipment originally built with Century/A.O. Smith motors, backed by decades of service and support.
What problems does it solve? Real, everyday reliability for critical systems like pools, spas, HVAC, and light industrial equipment. This motor provides a proven, easy-to-source replacement option that reduces downtime, simplifies maintenance, and keeps systems performing at their best without the guesswork of cross-referencing parts.
Ideal applications and use cases
- Pool and spa equipment — direct replacement for Centurion-style switchless, permanent split capacitor configurations and other spa/jetted-tub pump motors.
- HVAC components — suitable for replacement in air handlers, condensers, and cooling systems that require a compact 1/2 HP, single-speed motor.
- Commercial and light-industrial gear — fans, conveyors, and small pumps where a reliable 1/2 HP, square-flange motor is the right fit.
Technical snapshot
A.O. Smith / Century
Quality and support you can count on
- Backed by the Regal Beloit global footprint, ensuring parts availability, service, and consistent performance across markets in the United States, Mexico, China, and Europe.
- Comprehensive replacement motor options provided through OEM channels and the aftermarket, with a long-standing history in the HVAC and pool/pump communities.
- Trusted partner network — Bath & Spa Parts Online has carried Century/A.O. Smith replacement motors since the 1980s, aligning decades of product knowledge with today’s replacement needs.
Tips for a smooth install
- Verify the mounting pattern and confirm a Square Flange fit with your equipment's current housing.
- Confirm your supply voltage (115V or 230V) matches the motor’s wiring configuration before installation.
- Keep a copy of the model number (B846) handy for cross-reference with OEM replacement catalogs and service parts.
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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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