AO Smith Century C Face 1 HP Single Phase Motor Industrial Keyed Shaft 2 S 230V Model B974

Meet the A.O. Smith / Century C-Face 1 HP Motor, a proven, OEM-grade replacement built to keep residential, commercial, and light industrial equipment running smoothly. Model B974 brings decades of engineering excellence from A.O. Smith and Century Electric Motors into a compact, dependable package that Regal Beloit continues to honor with global support and availability.

Why this motor stands out

• C-Face mounted with a keyed shaft for secure, vibration-resistant coupling to belts, pulleys, and gear assemblies. The standard C-face pattern makes installation straightforward across a wide range of equipment.
• 1 horsepower, 230V operation delivers reliable torque for pumps, blowers, fans, and other common components in HVAC, pool, spa, and light industrial setups. The 2-S configuration provides a versatile mounting and connection footprint that fits many existing installations.
• Trusted heritage — built on more than 75 years of motor design and manufacturing expertise from A.O. Smith/Century, now part of Regal Beloit America. This means long-term reliability, consistent replacements, and a global network for parts and support.
• OEM replacement leadership — specifically designed to function as a direct replacement for Century/A.O. Smith motors, easing upgrades and minimizing downtime in your equipment lineup.
• Comprehensive support and availability — Bath & Spa Superstore carries the Century/A.O. Smith line, offering help selecting the right motor and answering installation questions, so you can complete your upgrade with confidence.

Who this motor is ideal for

• Homeowners and DIY enthusiasts replacing aging pool or spa pumps, hot tubs, or circulating pumps that require a dependable, 1 HP C-Face motor.
• HVAC technicians and facility managers seeking a durable, proven replacement motor for fans, blowers, or small compressors in residential or light commercial equipment.
• Equipment specifiers looking for a globally supported motor with a long service life and a compatible footprint for existing Century/A.O. Smith installations.

Practical advantages and use cases

In practice, this motor reduces downtime with a familiar form factor and mounting pattern, making it a straightforward swap in many standard systems. Its keyed shaft and C-face mounting ensure a solid mechanical connection, while the 230V operation matches the electrical configurations commonly found in HVAC and pool/spa equipment. Whether you’re refurbishing a pool pump, replacing a spa circulation motor, or upgrading an HVAC blower drive, this motor provides dependable performance with OEM-grade compatibility.

Installation and care tips

• Verify a matching C-face mounting pattern and shaft configuration before removal of the old unit.
• Ensure the power is completely disconnected before installation and follow all local electrical codes during wiring.
• Match the existing rotation, wiring color codes, and any OEM wiring diagrams to avoid miswiring the new motor.
• Inspect the drive components (pulleys/belts, couplings) for wear and alignment during installation to maximize efficiency and service life.

For those seeking a dependable, long-trusted replacement with broad compatibility and strong manufacturer backing, the A.O. Smith / Century C-Face 1 HP Motor (B974) is engineered to perform. It combines heritage quality, ease of installation, and global support—delivering consistent results across a range of residential, commercial, and light industrial applications.