AOS Century 2 HP Electric Motor 56Y Frame Square Flange 230V One Speed Model B748

Upgrade your pool pump with confidence using the A.O. Smith Century 2.0 HP Pool Motor (56Y frame, 1-S, SqFl, 230V). Built on the long-standing Century/A.O. Smith heritage, this motor is a dependable replacement option for residential, commercial, and pool-side equipment. Since Regal Beloit’s acquisition in 2011, the A.O. Smith lineage has continued to emphasize reliability and efficiency across markets, so you’re choosing a motor backed by decades of engineering excellence.

This model is designed specifically for pool, spa, and jetted-tub applications, offering a straightforward, single-speed, 230V solution that streams steady flow for dependable operation. The 56Y frame with square flange mounting is a common fit for many standard pool pumps, making it a practical choice when you’re replacing an aging motor or upgrading to a robust, compatible option.

Key specifications

• Motor Type: Pool Motor
• Horsepower: 2.0 HP
• Voltage: 230V
• Phase: 1-Phase
• Speed: 1-Speed (Single-Speed)
• Frame: 56Y
• Shaft: Threaded
• Mount: Square Flange
• Capacitor: Not mounted on top
• Manufacturer: US-Motors / A.O. Smith Century
• Lineage: Replacements supported by Bath & Spa Superstore, a long-time partner for Century/A.O. Smith motors

Why this motor stands out

- Direct-fit replacement: The 56Y frame and square flange design align with a wide range of common pool pumps, reducing installation time and compatibility concerns.

- Durable performance for pool environments: Built for continuous operation in water-delivery systems, with components designed to withstand the demands of pool and spa applications.

- Time-tested reliability: The A.O. Smith/Century name reflects more than 75 years in the electric motors industry, with ongoing quality commitments carried forward by Regal Beloit America on a global scale.

- Easy sourcing and support: This motor is part of a broad line of OEM replacements and serviceable components, backed by distributors and manufacturers who understand pool equipment—ideal for service pros and DIY homeowners alike.

Who this is ideal for

Homeowners looking to replace a worn pool motor without compatibility guesswork; pool service professionals seeking a trusted, readily available replacement; facilities managers maintaining pool decks, spas, or hot tubs in small-to-mid sized commercial settings.

Practical tips for installation and use

• Verify your pump’s 56Y frame compatibility and confirm the shaft type before ordering.
• Because capacitors and external control configurations vary by pump, ensure your system’s capacitor arrangement matches this model’s “Capacitor not mounted on top” setup.
• With a 1-Phase, 230V supply, ensure your electrical connections and wiring meet local codes and that the enclosure matches your pump motor housing.
• Maintain the motor in typical pool environments by following standard electrical safety and pool equipment maintenance practices.

Ready to restore pool performance with a time-tested, replacement-ready motor? This A.O. Smith Century 2.0 HP Pool Motor (B748) combines decades of engineering with practical design to keep your pool, spa, and jets flowing smoothly—backed by the trusted lineage of Century/A.O. Smith and supported byBath & Spa Superstore’s long-standing experience with these motors.