Description
Trust a motor built on a legacy of reliability. The A.O. Smith / Century ST1072 3/4 HP, 1-speed motor is designed to replace aging units across residential, commercial, and pool/spa equipment with confidence. Featuring a 56J frame and a C-face mount, this replacement motor is ready to perform where durability matters most.
Specifications you can count on
- Horsepower: 3/4 HP
- Speed: 1 speed
- Voltage: 115/240V (dual voltage for flexible installations)
- Current: 15A at 115V / 7.5A at 230V
- Frame: 56J
- Mounting: C-face with threaded shaft
- Capacitor: Internal Capacitor (not like the photo)
- Model: ST1072
Where it excels
Designed as a dependable replacement motor for a wide range of equipment, this Century/A.O. Smith unit delivers consistent torque and steady operation in demanding environments. The internal capacitor configuration keeps wiring clean and compact, while the 56J frame and threaded shaft ensure straightforward retrofits into existing OEM housings. Its PSC design is well-suited for pool pumps, spa jets, and other residential systems that rely on reliable, long-lasting performance.
Why choose A.O. Smith / Century for replacements
- Proven durability from a company with over 75 years of motor manufacturing heritage
- Global reach and OEM-friendly design, ensuring availability and compatibility across installations
- Internal capacitor configuration for simplified wiring and dependable start/run performance
- Flexible dual-voltage capability supports a variety of supply configurations without extra adapters
Installation & compatibility tips
Before swapping in this motor, confirm that your equipment accepts a 56J frame with a C-face mounting and a threaded shaft. If your system is wired for 115V or 230V, this unit accommodates both. Since the capacitor is built in, external run capacitors are typically unnecessary, but always follow your equipment’s service manual for shaft length, coupling compatibility, and mounting bolt patterns.
What you’ll get
A robust, reliable replacement motor that aligns with legacy A.O. Smith / Century quality. Ideal for DIY replacements or professional HVAC and pool/spa technicians refreshing aging drives, this ST1072 motor is ready to restore performance and extend the life of your equipment.
| 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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