Description
A.O. Smith Century C-Face 1/2 HP Motor ST1052 – 56J Frame, 2-S, 115/230V
Meet the A.O. Smith Century C-Face 1/2 HP motor, model ST1052—the versatile replacement motor built on the reliable 56J frame. Designed for straightforward retrofit in residential, commercial, and light industrial equipment, it fits a wide range of OEM assemblies—from air handlers and fans to pool and spa pumps.
- Horsepower: 1/2 HP (0.5 HP) for steady, dependable performance across HVAC and pump applications
- Frame Size: 56J frame, a common OEM footprint that supports broad compatibility
- Mounting: C-Face mounting for universal compatibility with drive couplings and housings
- Speed: Two-speed operation (2-S) to balance torque and efficiency across varying loads
- Voltage: Dual voltage 115V / 230V operation, enabling flexible installations without changing unit wiring
- Applications: Ideal replacement for HVAC blower assemblies, pool and spa pumps, air handlers, and related equipment
- Reliability: Backed by the A.O. Smith/Century engineering lineage with decades of OEM and replacement motor experience
Whether you’re upgrading an aging pool pump, spa jet system, or a residential air handler, this motor offers straightforward compatibility and dependable performance. The combination of dual voltage and two-speed operation gives you practical control over start-up torque and running efficiency, helping minimize downtime and energy use. Built on a trusted heritage, ST1052 is a grounded, legacy option designed to keep essential equipment running smoothly in home and light commercial settings.
Introducing the A.O. Smith/Century C-Face 1/2 HP Motor, model ST1052. Built on the trusted 56J frame and designed for straightforward retrofit, this motor is an adaptable replacement for residential, commercial, and light industrial equipment. With C-Face mounting, 2-speed capability (2-S), and dual voltage options (115/230V), it fits a wide range of OEM assemblies—from air handlers and fans to pool and spa pumps.
Key advantages
- Two-speed operation (2-S) to balance performance and efficiency across different loads
- 115/230V dual-voltage compatibility for flexible installation without changing wiring on the unit
- C-Face mounting for universal compatibility with common drive couplings and housings
- 56J frame size, a staple in many OEM motors, offering compact power with broad compatibility
- Renowned A.O. Smith/Century engineering lineage, backed by decades of OEM and replacement motor experience
Ideal applications and use cases
As a reliable replacement motor, it excels in HVAC equipment such as blower assemblies and in pool/spa systems, including pumps and jet fixtures. The ST1052 configuration delivers a practical combination of power and adaptability for aging units that demand consistent torque and dependable operation. Its standard 56J frame and C-Face design mean quick compatibility with a wide range of housings and mounting options, reducing installation time and downtime.
Why choose A.O. Smith/Century and Bath & Spa Parts Online
A.O. Smith and Century Electric Motors, now part of Regal Beloit America, bring more than 75 years of industry leadership to every replacement motor. Their product lineup covers hermetic motors for compressors, fractional horsepower AC/DC units, and integral horsepower motors for diverse equipment. Bath & Spa Parts Online has stocked Century/A.O. Smith replacement motors since the early days of pool and spa care, offering a complete line and knowledgeable support to help you identify the exact match for your equipment. When you select this motor, you’re choosing a legacy of reliability and a supplier with deep, hands-on experience in residential, commercial, and industrial applications.
Model ST1052 is designed for straightforward ordering and dependable performance, backed by a company that stands behind its replacement motors for HVAC, pool, and pump distributors.
Ready to upgrade? Add the A.O. Smith/Century C-Face 1/2 HP Motor to your cart and experience a proven, reliable replacement that keeps equipment running smoothly with minimal downtime.
| 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? |
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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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