Description
A.O. Smith Century C-Face 3/4 HP Motor — 115/230V, Keyed 1-S Shaft (B634)
The A.O. Smith Century C-Face 3/4 HP motor (B634) is a rugged, reliable replacement designed for residential, commercial, and light industrial equipment. With a compact C-face mounting footprint and dual-voltage capability, it offers straightforward retrofits for pumps, fans, and small drive systems in tight spaces.
- Size & mounting: C-Face mounting simplifies alignment and attachment to a wide range of equipment housings and drive components, making installation cleaner and faster.
- Power rating: 3/4 HP, single-phase motor suited for common applications such as pool and spa pumps, air handlers, and small condensers.
- Voltage flexibility: Dual voltage capability (115V or 230V) provides installation flexibility without wholesale rewiring of the drive system.
- Shaft configuration: Keyed 1-S shaft delivers a secure, slip-free connection to pulleys, sprockets, or couplings for consistent drive performance.
- OEM compatibility: Engineered as a trusted replacement compatible with HVAC, pool/spa, and related equipment, backed by the Century/A.O. Smith heritage and Regal Beloit support.
- Brand heritage: Built on A.O. Smith and Century Electric’s 75+ years of motor industry experience, offering dependable aftermarket availability and service.
- Model & category: Model B634, aligned with standard home and commercial pool/spa and light industrial needs.
With the A.O. Smith [Century] C-Face 3/4 HP Motor, you gain a practical retrofit path that minimizes downtime. The dual-voltage design adapts to different supply conditions without replacing the entire drive, while the sturdy C-face housing and keyed shaft reduce misalignment and vibration over time. This makes it a solid, long-lasting solution for frequently serviced systems where parts availability and compatibility matter—whether you're servicing home pool pumps, spa pump assemblies, or small commercial equipment.
The A.O. Smith [Century] C-Face 3/4 HP Motor (B634) is a rugged, go-to replacement designed to keep residential, commercial, and light industrial systems running smoothly. With a C-face mounting footprint, dual-voltage capability (115/230V), and a keyed 1-S shaft, this motor makes retrofits straightforward and reliable, even in tight or retrofit installations.
Key advantages that set this motor apart
- C-Face mounting simplifies alignment and attachment to a wide range of equipment housings and drive components.
- 3/4 HP, single-phase motor delivers dependable performance for common equipment such as pumps, fans, and small compressors.
- Dual voltage (115/230V) compatibility gives you flexible installation options without rewiring complexity.
- Keyed 1-S shaft provides a secure, slip-free connection to pulleys, sprockets, or couplings for consistent drive integrity.
- Heritage of reliability built on A.O. Smith and Century Electric’s 75+ years in the motor industry, now backed by Regal Beloit America for global support and ongoing quality.
- OEM replacement compatibility a trusted choice for replacement motors in HVAC, pool, spa, and related equipment—delivered by a brand with a long history of service and availability.
Ideal applications and who benefits
This motor is an excellent fit for technicians and contractors looking to source a dependable replacement for
- HVAC equipment components (air handlers, condensers, and related systems)
- Pool and spa pump assemblies where a reliable, standard motor is required
- Light industrial drives and equipment that rely on a compact, robust 3/4 HP motor
What you can expect in practice
With the A.O. Smith [Century] C-Face 3/4 HP Motor, you gain a straightforward retrofit path that minimizes downtime. The dual-voltage capability means you can adapt to different supply conditions without replacing the entire drive system. The sturdy C-face design simplifies mounting, and the keyed shaft ensures a secure connection to the driven components, reducing play and vibration over time. This makes it a practical, long-lasting solution for frequently serviced systems where parts availability and compatibility matter.
Installation and upkeep tips
- Confirm the correct voltage (115V or 230V) before wiring and operation.
- Ensure a proper fit with your existing mounting boss and a compatible drive pulley or coupling on the keyed shaft.
- Follow standard safety practices during replacement: disconnect power, verify absence of voltage, and secure all mounting hardware.
- Keep the surrounding area clean and free of debris to prevent contamination of the motor bearings and cooling paths.
- Consult OEM specifications for any required auxiliary components (such as capacitors) when integrating with existing systems.
As a trusted option in the Century/A.O. Smith lineup, this motor aligns with the quality standards that service professionals rely on for dependable replacements. If you’re looking for a proven, widely-supported solution for 1-phase, dual-voltage, C-face motors, the A.O. Smith [Century] B634 is designed to perform and endure across a broad range of equipment and environments.
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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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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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