Century B2858 1.5 HP Single-Speed Pool Pump Motor
Part Number: B2858
Description
A full-rated 1.5 HP single-speed pool and spa motor with a threaded shaft and square-flange mount, engineered for reliable performance in a wide range of residential pool pump applications.
Compatibility & Fitment
- Fits pump systems requiring a 1.5 HP, 115/230 V, 3450 RPM single-speed motor in a 56Y frame with square-flange mounting.
- Ideal replacement when the existing motor is noisy, overheating, drawing excessive current, or is no longer ideal for service.
- Drop-in compatible for pump systems originally specifying part number B2858.
Features & Specifications
- Horsepower: 1.5 HP
- Speed: 3450 RPM (single-speed)
- Voltage: 115/230 V
- Frame: 56Y, square flange mounting
- Shaft: Threaded stainless steel for secure mounting
- Enclosure: Open drip-proof, ball bearings rated for continuous duty
Installation Notes
Disconnect power and lock out the circuit before servicing. Remove the housing and motor bolts, disconnect wiring, and extract the old motor. Install the new B2858 motor ensuring correct alignment with the pump housing, secure mounting bolts, reconnect wiring per the motor label, restore circulation and monitor for proper operation.
Maintenance Tip
At each service interval inspect the motor bearings for noise or vibration, verify that current draw remains within specification, and replace the motor if you notice sustained overheating, abnormal noise or reduced pump performance to maintain long-term system reliability.