Product Overview

The Century UST1152 Threaded Shaft Pool Pump Motor is a reliable 1.5 HP replacement motor designed for compatible pool and spa pumps requiring a 56J frame, threaded shaft, and 115/230V operation. This single-speed motor is commonly used to restore proper water circulation and filtration performance in residential pool and spa systems.

Built for pool-duty applications, the UST1152 features a durable threaded shaft, open drip-proof motor design, automatic overload protection, and dependable single-phase operation. It is commonly used with compatible Hayward Super Pump, Hayward Super II, Hayward Max-Flo, Jacuzzi Magnum, and other pumps requiring a 56J threaded-shaft motor.

Ideal For

• Replacing a failed or worn 1.5 HP pool pump motor
• Pool pumps requiring a 56J threaded-shaft motor
• Residential pool and spa circulation systems
• Compatible Hayward, Jacuzzi, and similar pump applications
• Pool service technicians and equipment repairs

Key Features

• 1.5 HP Replacement Motor – Designed for compatible pool and spa pump systems.
• Dual Voltage Operation – Can operate on 115V or 230V power.
• 56J Frame – Common pool pump motor frame size for threaded-shaft applications.
• Threaded Shaft Design – Allows secure impeller attachment for compatible pumps.
• Single-Speed Performance – Runs at approximately 3450 RPM.
• Open Drip-Proof Enclosure – Designed for protected pool equipment areas.
• Automatic Overload Protection – Helps protect the motor from overheating.
• Pool-Duty Construction – Built for demanding pool and spa environments.

Benefits

Replacing only the motor can help restore pump performance without replacing the entire pump assembly. The Century UST1152 is a practical replacement option for pool owners and service professionals working with compatible pumps that require a 1.5 HP, 56J frame, threaded-shaft motor.

Its dual-voltage design, dependable single-speed operation, and pool-duty construction make it a popular replacement motor for common residential pool pump applications.

Specifications

Customer-Facing Q&A

Q: What is the Century UST1152 used for?
A: The UST1152 is a replacement pool pump motor for compatible pumps requiring a 1.5 HP, 56J frame, threaded-shaft motor.

Q: Is this motor single speed or variable speed?
A: This is a single-speed pool pump motor.

Q: What voltage does this motor use?
A: The Century UST1152 can operate on 115V or 230V power.

Q: What frame size is this motor?
A: This motor uses a 56J frame, commonly used on threaded-shaft pool pump motors.

Q: Does this motor have a threaded shaft?
A: Yes. The UST1152 has a threaded shaft for compatible impeller installation.

Q: What RPM does this motor run at?
A: It runs at approximately 3450 RPM.

Q: What pumps is this commonly used with?
A: It is commonly used with compatible Hayward Super Pump, Hayward Super II, Hayward Max-Flo, Jacuzzi Magnum, and other pumps requiring a 1.5 HP 56J threaded-shaft motor. Always confirm compatibility with your existing motor label and pump model before ordering.

Q: Should I replace the shaft seal when installing this motor?
A: Yes. Always replace the pump shaft seal when replacing a pool pump motor to help prevent leaks and protect the new motor.

Compatibility Note

Before purchasing, compare your existing motor label to confirm the following: 1.5 HP, 115/230V, 56J frame, threaded shaft, single-speed operation, and CCW pump-end rotation. Matching these specifications helps ensure proper fit and performance.

Important Installation Note

Professional installation is recommended. Always disconnect power at the breaker before servicing pool equipment. Replace the shaft seal, gaskets, and any worn pump components during installation.