A.O. Smith Century Motor 1.0 HP 56Y Square Flange Pool Motor 115/230V Single Phase

A.O. Smith Century Motor 56Y 1.0 HP 1-S Pool Motor is a dependable, ready-to-install replacement designed to keep your pool circulating smoothly year round. Built on the trusted Century platform, this 56Y-frame, square-flange motor is purpose-built for single-speed pool pumps, delivering consistent performance without the guesswork of mismatched replacements.

Ideal for pool owners and service technicians who value reliability and straightforward installation, this motor combines dual-voltage capability with compact, durable construction. It supports both 115V and 230V configurations, making it a versatile choice for a wide range of pool pump setups. The threaded shaft ensures a secure connection to the impeller, so you won’t wrestle with slipping parts during reassembly.

Why this motor stands out

• 1.0 horsepower delivers steady flow for most standard residential pool pumps, maintaining clean, balanced water and consistent filtration.
• 1-Speed design means simple operation and predictable performance, reducing the risk of overheating from mismatched or noisy multi-speed configurations.
• 56Y frame with square flange provides broad compatibility with a wide range of pool pumps and mounting patterns, making it a dependable replacement in many brands.
• Dual voltage (115/230V) supports flexible wiring options, helping you adapt to different electrical setups or replacement scenarios without additional adapters.
• Threaded shaft ensures a secure impeller fit, contributing to quiet operation and long-lasting performance under normal pool loads.

Practical use cases

• Replacing an aging or failing pool motor to restore reliable water circulation and filtration.
• Upgrading a single-speed pump to a proven, field-tested unit with standard mounting and shaft configurations.
• Stocking a maintenance inventory with a universal, pool-specific motor that fits a broad range of pump brands using the 56Y square-flange standard.

Installation and care tips

• Ensure proper electrical configuration for your pool system (follow local codes or consult a licensed electrician when wiring dual-voltage setups).
• Check alignment between the motor and pump housing to prevent shaft wear and maintain optimal seal life.
• Inspect bearings and impeller clearance during replacement to minimize vibration and extend motor life.
• Keep the motor well-ventilated and free from debris to avoid overheating during extended filtration cycles.

Whether you’re restoring a classic residential pool or refreshing an aging spa circulation system, the A.O. Smith Century Motor (56Y) 1.0 HP, 1-S, 115/230V with a square-flange, threaded shaft is built to deliver dependable performance, straightforward installation, and long service life. Choose this motor for a practical, field-proven solution that keeps your pool running smoothly season after season.