A.O. Smith UST1152 | 1.5 HP Single-Speed Up-Rated Pool Pump Motor

Upgrade your pool’s performance with the A.O. Smith UST1152, a robust 1.5-horsepower single-speed motor. Built with durability, universal compatibility, and energy efficiency in mind.

Key Specifications

• Horsepower: 1.5 HP (1.0 Service Factor)
• Voltage: 115/230 V dual-voltage capable
• RPM: 3,450 (no-load speed) 
• Frame & Mount: 56J / NEMA 56C round C-face 
• Shaft: 5/8″ threaded stainless-steel (303 grade) 
• Amps: 18.6 A @115 V / 9.3 A @230 V 

Core Benefits

• Built to Last: Corrosion-resistant housing, sealed ball bearings, sealed switch, and auto-protector ensure long life in demanding pool environments 
• Universal Compatibility: Replaces motors on Hayward Super Pump, Super II, Max-Flo, Jacuzzi Magnum, and more 
• Easy to Install & Service: Features like angled terminal, EZ-wrench access, bonding lug, and voltage-change dial streamline setup and maintenance 
• High-Efficiency Design: Part of the Centurion “Conservationist” series with premium cooling, Class F insulation, and 50 °C ambient rating for enhanced lifespan 

Important Reminders

• Always replace the mechanical pump seal when installing this motor to prevent damage
• This single-speed model does not meet current California (Title 20) or New York (NYSERDA) energy regulations and cannot ship to those states