Century B2844 3 HP 3450 RPM Square-Flange Pool & Spa Pump Motor
The Century B2844 is a heavy-duty, single-speed replacement motor built for in-ground pool and spa circulation pumps. With 3 HP and a 3450 RPM rating, it delivers strong, continuous flow — perfect for larger pools, heavy filtration demands, or hydraulic systems needing high performance.
Key Features
- 3 HP (2.2 kW) output with 3450 RPM speed for robust water flow and circulation.
- 208–230 V single-phase power — ideal for common residential pool electrical setups.
- 56Y-frame, square-flange design with 5/8" threaded stainless-steel shaft — fits a wide range of direct-drive pool pump housings.
- Open-Drip-Proof (ODP) enclosure with sealed ball bearings ensures reliability and long service life under continuous-duty conditions.
- Automatic thermal overload protection and 1.15 service factor support demanding operating conditions.
- PS C (permanent split capacitor) design for dependable, smooth operation.
Specifications
- Manufacturer: Century (Regal / A.O. Smith lineage)
- Model / Part Number: B2844
- Horsepower: 3 HP
- Speed: 3450 RPM
- Voltage: 208–230 V, 1-phase, 60 Hz
- Frame: 56Y, Square-Flange / C-Face mount
- Shaft: 5/8" (0.625"), threaded stainless-steel
- Enclosure: Open Drip Proof (ODP)
- Bearings: Sealed ball bearings
- Service Factor: 1.15
- Rotation: Counter-Clockwise (pump-end view)
- Duty Cycle: Continuous (suitable for everyday pool circulation use)
Applications & Compatibility
The B2844 motor fits many popular in-ground pool pumps from manufacturers such as Pentair, Sta-Rite, Pac-Fab, Purex, Challenger, and others that accept a 56Y-frame square flange motor. It’s especially well-suited for large pools, high-flow sand filters, and in-ground systems requiring sustained pump performance.
Installation & Maintenance Tips
- Confirm the pump housing matches a 56Y square-flange motor mount and threaded 5/8" shaft before ordering replacement.
- Ensure proper electrical wiring for 208–230 V single-phase supply, adhering to local electrical codes.
- Maintain adequate ventilation around the motor to prevent overheating — the ODP design tolerates continuous duty but benefits from good airflow.
- Inspect shaft, bearings and seals during installation; replace shaft seal if reusing existing wet-end to ensure leak-free operation.
Why Choose the B2844
For pool professionals and serious pool owners managing larger or more demanding systems, the Century B2844 offers proven reliability, strong hydraulic output, and broad compatibility. It’s a top-tier replacement motor when original equipment fails or when upgrading from undersized or worn motors, helping ensure peak pool performance and water flow.
