Description
AOS Century CK1072 1 HP 56C Motor — 115/230V, Keyed Shaft, Pool & Spa Replacement
Meet the A.O. Smith Century CK1072, a 1.0 HP single‑phase motor designed around the reliable 56C frame for pool and spa equipment and other belt‑driven loads. Built on a legacy of trusted performance, this replacement motor is suited for residential, commercial, and light industrial applications where dependable operation matters most.
- HP & Voltage: 1.0 HP with dual voltage (115/230V) to fit your existing electrical setup and simplify replacements.
- Frame & Mounting: 56C frame ensures compatibility with standard mounting patterns found in newer installations and retrofits.
- Keyed Shaft: Precision keyed shaft provides a secure, slip‑free connection to your drive system under load.
- Application Focus: A practical replacement for pool pumps, spa equipment, fans, and other belt‑driven loads common in home and commercial pool and spa setups.
- Brand & Heritage: Century/A.O. Smith motors carry a long‑standing reputation for durable replacements, now backed by Regal Beloit quality.
CK1072 is designed for straightforward installation in systems that rely on a CK1072 or comparable Century motor. The standard 56C footprint and 115/230V wiring tolerance help minimize field surprises and downtime during swaps, while the motor’s robust construction keeps up with the busy demands of pool and spa environments. This is a dependable, one‑piece solution that aligns with traditional drive hardware and modern expectations alike.
Introducing the A.O. Smith Century Motor CK1072, a precise 1.0 HP solution built around the familiar 56C frame design for dependable performance across residential, commercial, and light industrial equipment. With a legacy spanning more than 75 years in electric motors, A.O. Smith and Century Motors have earned trust for durable, reliable replacements. Since 2011, Regal-Beloit Corporation has continued that high standard of quality, ensuring this motor aligns with modern expectations while remaining a true fit for legacy systems.
Key specifications that matter
- 1.0 HP delivering steady torque for fans, pumps, conveyors, and other belt-driven loads.
- 56C frame ensures compatibility with a wide range of standard mounting patterns found in both new installations and retrofits.
- 115/230V dual voltage offers flexible wiring options and simplifies replacement in existing electrical setups.
- Keyed shaft provides a secure, slip-free connection to your drive system for reliable performance under load.
- CK1072 model a trusted Century/A.O. Smith replacement motor with a proven track record.
What makes this motor a practical, trouble-free choice
- Wide applicability: ideal for replacing worn or underperforming motors in HVAC blowers, air handlers, pumps, fans, and other equipment that rely on a 56C, 1 HP motor.
- Easy integration: standard footprint and electrical tolerance reduce field surprises during swap-out and minimize downtime.
- Reliable support: backed by the long-running A.O. Smith/Century lineage and the continued quality focus from Regal-Beloit.
- Durable construction for busy environments: designed to endure everyday operation in commercial settings and residential applications alike.
Installation and best practices
Before replacing, confirm compatibility with your equipment: 56C frame mounting, 115/230V supply, and the keyed shaft connection. If your system currently runs on a CK1072 or a comparable Century motor, this unit installs as a straightforward upgrade, helping you minimize downtime and keep equipment running smoothly.
Choosing the CK1072 means selecting a time-tested motor that harmonizes with both traditional control schemes and modern system expectations. It’s a practical, dependable replacement that supports a broad range of applications while aligning with your existing drive hardware.

