A.O. Smith [Century] C-Face 1.0 HP Motor [1-S] [Keyed] [115/230V] (B122) is a proven, OEM-grade replacement designed to keep your critical equipment running smoothly. Built on Century’s long-standing commitment to reliability and efficiency, this 1-S, dual-voltage motor fits a wide range of residential, commercial, and light industrial applications, making it a dependable choice when uptime matters.

Key capabilities at a glance

• Horsepower and speed: 1.0 HP with a single-speed configuration (1-S) for steady, predictable performance in everyday systems.
• Dual-voltage convenience: Operates on 115V or 230V, giving you flexible wiring options to match your existing electrical setup.
• C-Face mounting: Standard C-Face footprint for quick, accurate alignment with compatible equipment housings and drives.
• Keyed shaft for secure drive: Precisely machined, keyed shaft ensures a robust, slip-free connection to pulleys or couplings.
• OEM replacement with broad compatibility: Replaces multiple OEM part numbers including 12718, 222464, 5203X, 663001192657, AOS-60-5050, AOSB122, C1095, EB122, MGT-60-5093, SK1102, simplifying procurement and installation.
• Trusted brand lineage: From A.O. Smith Electric Motors / Century Electric Motors, backed by Regal Beloit America, with a global service footprint to support installation, warranty, and replacements.

Who this is for

• HVAC professionals replacing aging or failed motors in air handlers, condensers, and compressors.
• Pool and spa equipment installers seeking a reliable, widely supported replacement motor.
• Facilities managers and maintenance teams needing a durable, OEM-grade motor for light industrial equipment.

Why this motor stands out

• Reliability built from decades of engineering: Century/A.O. Smith motors are a staple in residential, commercial, and industrial gear, known for dependable operation and long service life.
• Easy integration with existing systems: Dual-voltage capability and standard C-Face mounting simplify retrofits and new installations alike, reducing downtime during replacements.
• Versatile end-use compatibility: Suitable for both HVAC-driven components and pool/pump equipment, making it a versatile choice for mixed-use facilities.

Practical tips for installation and operation

• Verify the supply voltage and confirm wiring is configured for 115V or 230V before connection.
• Ensure proper shaft key alignment and secure mounting to minimize vibration and wear.
• Check compatibility with your existing housing, belt/pulley sizes, and control strategies to optimize performance and efficiency.
• Keep a spare B122 motor on hand as part of preventive maintenance to reduce downtime in critical systems.

This motor represents a durable, OEM-grade solution built to keep HVAC, pool, and industrial equipment running with minimal disruption. If you’re upgrading an aging drive, choosing the A.O. Smith [Century] C-Face 1.0 HP Motor (B122) means aligning with a long-standing standard in electric motor reliability, backed by a global support network and a history of quality engineering.

WHY USE A.O. SMITH (AOS)/CENTURY PRODUCTS?
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.