Description
A.O. Smith Century Motor 4.0 HP 230V 56F Thru Bolt – 2-S Two-Speed Replacement (B2235)
The A.O. Smith Century Motor 4.0 HP, 2-S, 56F/Thru Bolt, 230V (B2235) is a trusted OEM replacement built on a legacy of engineering excellence. Designed for pool, spa, HVAC, and water-feature equipment, it delivers dependable performance with a direct-fit footprint you can count on.
- Power and speed: 4.0 HP, two-speed (2-S) configuration for adjustable performance across varying load conditions
- Frame and mounting: 56F frame with thru-bolt mounting for secure, straightforward installation
- Voltage: 230V single-phase operation, compatible with common residential, commercial, and pool installations
- Direct-fit replacement: Proven OEM compatibility to swap into existing footprints with minimal modification
- Brand heritage: Century/A.O. Smith lineage backed by Regal Beloit America’s global support network
- Ideal applications: Pool pumps, spa jets, hot tub circulation, and HVAC drive components requiring robust, durable performance
Engineered for reliability in demanding environments, this motor offers a long service life with consistent torque and smooth operation. The two-speed design lets you tailor flow and efficiency to your system, helping manage energy use while preserving pump and equipment longevity. The 56F/Thru-Bolt footprint provides flexibility across a wide range of OEM housings, making replacement straightforward and downtime minimal. Backed by decades of A.O. Smith expertise and a global support network, you can source parts and service with confidence for pool, spa, and residential/light commercial HVAC applications. When upgrading aging motors or consolidating parts for dependable downtime-free performance, the B2235 delivers trusted performance you can rely on.
The A.O. Smith Century Motor 4.0 HP, 2-S, 56F/Thru Bolt, 230V (B2235) is a trusted replacement motor built on decades of engineering excellence. With a heritage that spans more than 75 years and a continued commitment from Regal Beloit to deliver reliable performance, this motor is engineered to keep residential, commercial, and industrial equipment running smoothly. Whether you’re upgrading an old pool pump, spa system, or a HVAC drive, this Century/A.O. Smith unit is designed for dependable, long-lasting operation.
Direct-fit replacement with proven compatibility
- 4.0 HP, 2-S design provides flexible performance for varying loads, helping you balance power with efficiency.
- 56F frame with thru-bolt mounting ensures a secure, straightforward installation that fits a wide range of pump and equipment housings.
- 230V operation aligns with standard single-phase service found in many residential, commercial, and pool installations.
- OEM heritage from A.O. Smith/Century means OEM replacement compatibility you can count on, with a long track record across HVAC, pool, and pump applications.
- Part of a global, trusted lineup backed by Regal Beloit America’s worldwide support network, designed to simplify replacements and service.
Ideal applications and use cases
- Pool and spa equipment: reliable replacement for pool pumps, spa jets, and hot tub circulation systems.
- Residential and light commercial HVAC components where a robust, through-bolt motor is required.
- Water features and circulating pumps where a durable, two-speed solution can optimize flow and energy use.
- OEM projects and aftermarket replacements that demand a proven 56F/through-bolt footprint with 230V service.
Why this motor stands out
Beyond just specs, this motor embodies a legacy of reliability. A.O. Smith and Century motors are known for durable construction, consistent performance, and availability through an extensive network of distributors and service providers. The 4.0 HP, two-speed configuration gives you the versatility to tailor performance to your system’s demands, helping manage load, balance efficiency, and extend the life of connected equipment.
Practical tips for installation and setup
- Confirm that your equipment’s mounting footprint matches the 56F frame and thru-bolt pattern for a seamless swap.
- Verify supply voltage is 230V and that wiring aligns with the equipment’s control and safety requirements.
- Retain or reference the original equipment’s wiring diagram and torque specs to ensure a secure, vibration-free installation.
- Use the motor as a direct replacement in compatible OEM applications to preserve performance characteristics and serviceability.
When you choose the A.O. Smith Century Motor 4.0 HP, 2-S (B2235), you’re selecting a time-tested solution with global backing, engineered for consistent operation across residential, commercial, and industrial environments. If you’re upgrading aging motors or consolidating parts for reliable downtime-free performance, this 56F/Thru Bolt, 230V motor is designed to deliver steady power where you need it most.
| 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. |
||
| 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. |
||