Trust in a motor legacy that spans decades. The A.O. Smith (AOS) Century Motor 2.0 HP, model B2233, delivers dependable two‑speed performance in a rugged 56Y frame with thru‑bolt mounting and a 230V supply. Built for residential, commercial, and industrial replacements alike, this motor embodies the era‑tested reliability of Century/A.O. Smith and Regal Beloit—makers of a complete line of durable motors for HVAC, pool, spa, and more.

Key features that matter when you’re replacing or upgrading

• 2.0 HP rating provides solid torque for demanding loads while maintaining efficiency during lighter duty cycles.
• Two‑speed (2‑S) operation offers flexible performance to adapt to varying system demands, helping to optimize energy use and comfort.
• 56F frame with thru‑bolt mounting for secure, straightforward installation and compatibility with common replacement footprints.
• 230V operation suited for typical HVAC and equipment circuits, enabling straightforward integration into existing power setups.
• Reliable, proven build from the Century/A.O. Smith lineage, backed by Regal Beloit’s global service network for OEMs and distributors.
• OEM‑grade replacement designed to fit alongside existing drive systems, mounts, and wiring configurations found in HVAC, pool, and spa equipment.

Performance and compatibility you can count on

This motor is engineered to meet the robust demands of real‑world installations. Whether you’re replacing an aging unit in a swimming pool pump, spa circulation system, or a residential/commercial HVAC component, the 2.0 HP, 56F/through‑bolt design ensures a secure fit and steady operation. The 230V rating makes it compatible with standard electrical runs, while the two‑speed capability helps you tailor performance to load conditions—delivering smoother starts, efficient running, and consistent output across duty cycles.

Ideal applications

• Pool and spa pumps requiring reliable, variable‑speed performance
• Residential and light commercial HVAC compressors and fans
• Replacement motors for equipment originally configured around Century/A.O. Smith components
• Any duty that benefits from dual‑speed control, steady torque, and durable construction

Installation and practical guidance

When replacing, verify that the existing system matches the motor’s 56F frame, thru‑bolt mounting pattern, and 230V supply. Ensure you use the correct run capacitor and wiring configuration as specified in the motor’s wiring diagram. If your setup includes a dual‑voltage or two‑speed control, follow the manufacturer’s instructions for selecting speed taps and safe power‑up sequences. For best results, align the shaft and pulley with the existing drive system and confirm the rotation direction matches your equipment’s requirements.

Why choose A.O. Smith / Century for replacements

With more than 75 years of commitment to the electric motors industry, A.O. Smith and Century Motors have established a global footprint and a trusted reputation for quality. Regal Beloit America’s ownership ensures ongoing investment, broad availability, and consistent replacement parts through OEMs and HVAC/pool distributors. This motor isn’t just a component; it’s part of a heritage of reliability designed to keep essential equipment running smoothly, cost‑effectively, and with confidence.

What you get and how it serves you

Choosing the A.O. Smith / Century 2.0 HP motor means opting for a dependable replacement that aligns with established equipment footprints, provides flexible performance, and leverages a lineage of engineering excellence. It’s ideal for technicians seeking a straightforward, durable upgrade that minimizes downtime and maximizes system uptime in both residential and commercial settings.

Ready for reliable service with a proven track record? Add this A.O. Smith / Century motor to your cart and replace aging motors with a trusted, OEM‑grade solution designed for long‑term performance.