Description
AO Smith Century 2.5 HP C-Face 56J Frame Motor, 115V, 1-Speed (UST1252)
Engineered for dependable replacement performance in pool and spa equipment as well as HVAC components, this A.O. Smith Century motor delivers straightforward, single-speed operation with proven reliability. Designed around the widely adopted 56J frame and C-Face mounting, it fits a broad range of OEM housings for quick, downtime-friendly installations.
- Horsepower: 2.5 HP
- Frame: 56J
- Mounting: C-Face for universal compatibility with compatible housings
- Speed: 1-Speed (single-phase)
- Voltage: 115V
- Shaft: Threaded shaft for secure mounting and easy coupling
- Model: UST1252
- Ideal applications: Replacement motor for pool pumps, spa equipment, and HVAC blowers that use a 56J/C-Face configuration
- Brand heritage: Backed by A.O. Smith/Century decades of motor engineering and global distribution
This motor is a practical, ready-to-apply solution that minimizes downtime during maintenance and replacements. With a threaded shaft and standard 56J/C-Face footprint, it simplifies alignment and installation across compatible equipment, helping pools, spas, and HVAC systems return to service quickly and reliably.
Bring durable power and reliable performance to your pool, spa, or HVAC equipment with the A.O. Smith [Century] 2.5 HP Motor. This 56J frame, C-Face, single-speed unit runs on 115V and features a threaded shaft for secure mounting. Model UST1252.
Why choose A.O. Smith / Century
For more than 75 years, A.O. Smith Electric Motors and Century have been at the forefront of motor technology for residential, commercial, and industrial applications. Now part of Regal Beloit America, this lineage continues with a global footprint and a commitment to dependable replacement motors for HVAC, pool, and spa distributors. This motor is built to deliver consistent performance under demanding conditions while offering straightforward compatibility with the many machines built around the 56J frame and C-face mounting standard.
Key specifications
- Horsepower: 2.5 HP
- Frame: 56J
- Mounting: C-Face
- Speed: 1-speed
- Shaft/Thread: Thd (threaded shaft)
- Voltage: 115V
- Model: UST1252
Ideal applications
This motor is a versatile replacement for equipment that uses a 56J frame and C-face 2.5 HP motor in 115V, single-phase setups. It's commonly used in pool and spa equipment, such as pool pumps and spa jets, as well as HVAC components like air handlers and blowers that rely on robust, single-speed operation. The threaded shaft and C-face mounting simplify installation onto compatible OEM housings and pumps, reducing downtime during replacement.
What makes it stand out
- Heritage you can trust: A.O. Smith/Century products backed by decades of engineering and a global distribution network.
- Direct compatibility: Designed around the widely adopted 56J frame and C-face configuration for easy swap-ins during maintenance cycles.
- Simple, dependable operation: With a single-speed, 115V supply, it delivers straightforward control and reliable duty in tough environments.
- Versatile replacement option: A ready-to-apply motor for 2.5 HP pool pumps, spa equipment, and compatible HVAC components, minimizing downtime and inventory complexity.
Pro tips and installation notes
Before you replace, verify the equipment's shaft size and mounting pattern align with a 56J, C-face, 115V single-speed motor with a threaded shaft. When wiring, follow standard safety procedures and ensure appropriate overload protection and wiring according to local codes. If your system previously used a similar A.O. Smith or Century motor, this unit offers a familiar fit and performance profile to keep your system operating smoothly.
| WHY USE A.O. SMITH (AOS)/CENTURY PRODUCTS? |
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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. |
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| 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. |
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