Century B2843 2 HP 56Y Frame Pool Motor
Part Number: B2843
Description
A high-performance full-rated 2 HP single-speed pool & spa motor with 56Y square-flange mounting. Designed for direct replacement in many horizontally-mounted single-stage pool pump systems.
Compatibility & Fitment
- Voltage: 208-230 V, 1-phase, 60 Hz.
- Frame size: 56Y, square flange mount with threaded shaft.
- RPM: 3450 RPM (full speed) for optimal circulation flow.
- Ideal for in-ground pool pumps (e.g., many full-rated configurations such as certain models of WhisperFlo®, Challenger® and competitive brands)."
Features & Specifications
- Horsepower: 2 HP full rated.
- Amps: ~11.0-10.2 A at 208-230 V.
- Service Factor: 1.30 (total output approx. 2.6 HP equivalent).
- Shaft: Threaded ⅝″ diameter stainless steel.
- Rotation: CCW looking at the shaft (pump end).
- Mount: Square flange (C-face) for direct drop-in replacements.
- Design: Energy-efficient full-rated motor built for pool service environments.
Installation Notes
Disconnect power and lock out the circuit. Remove the pump-motor assembly and inspect existing mounting, alignment and wiring. Ensure the replacement motor B2843 matches the original motor’s frame, mounting configuration, shaft size and rotation. Install the motor using the square flange mount, ensure shaft alignment to impeller and key, reconnect wiring according to the original schematic, restore power and monitor current draw and vibration for proper operation.
Maintenance Tip
During routine pool maintenance, visually inspect motor bearings for noise or drag, check shaft for smooth rotation and verify that the motor remains clean of debris and corrosion. Replace motor if service life is exceeded or if system efficiency drops—this helps maintain proper filtration flow and extend equipment life.
