The AOS B235 4.0 HP two-speed motor is a rugged, reliable drive designed for pool and spa equipment, offering both rapid cycling and precise control in a single, standard package.
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Power: 4.0 HP for strong, dependable performance across applications
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Speeds: 2-Speed operation (high 3450 RPM / low 1725 RPM) for fast cycling or controlled torque
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Voltage: 230 V compatibility for common pool and spa systems
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Frame: 56J frame for broad replacement compatibility
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Shaft: Threaded shaft with approximate length of 11-9/16 in (AG)
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Mounting: Through-bolt mounting for secure, vibration-resistant installation
Designed as a versatile replacement motor, the B235 fits standard 56J footprint and thru-bolt patterns, making it easy to upgrade older systems or integrate into new drives. The two-speed design supports high-speed motion for quick material handling and low-speed torque for smooth starts and precise positioning, reducing downtime and wear on belts and drive components. Ideal for spa pumps, pool equipment, conveyors in water-treatment setups, or integrated machine tools that require a reliable, compact motor with flexible speed control.