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AO Smith Century 1.65 HP Square Flange 115V/230V Motor - HSQ165

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Original price $299.99
Original price $299.99 - Original price $299.99
Original price $299.99
Current price $219.60
$219.60 - $219.60
Current price $219.60

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Product Description

The AO Smith Century 1.65 HP Square Flange 115V/230 V Motor HSQ165 is a replacement pool and spa motors that are durable and easy to install. It features Triple Seal protection that is designed into the pump end of the motor to protect the bearings from water, pests, and debris, extending the life of the motor. It has premium sealed 203 bearings on both ends and also has an open and accessible terminal board and wiring compartment. Along with a UL 1081 design, it is also a Voltage change device with definitive shaft access using a 7/16-inch wrench. With an auto protector and 303 stainless steel threaded shaft, this pump has a patented CENTURY SEAL which is its primary line of defense in preventing moisture from washing the grease out of a bearing. It also has an IP-55 rated lip seal located behind the Century seal to ensure any moisture that might make it past is stopped in its tracks. It also has an integrated bearing lock plate for preventing moisture ingress to the backside of the bearing. This particular model, HSQ165 1.65 HP Centurion Pro Motor Square Flange, has an open drip-proof enclosure, with a Counterclockwise Pump End rotation, a 50-degree Celsius ambient temperature, and 60Hz frequency. This is a single-phase motor that has a Total Output HP of 1.65 HP with a 230/115 Voltage, 3,450 RPM speed, 9.4/18.8 Amperes, a 48Y frame, and a Square Flange. With ball drive end bearing and a rolled steel frame material, its dimensions include an overall length of 14.12 inches, frame length of 10.13 inches, shaft extension of 0.906 inches and a shaft diameter of 0.625 inches.


  • Professional grade
  • Hybrid end frame design: The Centurion PRO's hybrid end frame design incorporates a unique BX hole placement and new terminal board design that provides installers ample room to easily feed even larger gauge wiring through with unencumbered access
  • PCB terminal board: Formed from highly durable PCB material, the larger terminal board boasts a layout that is both hand- and tool-friendly
  • Voltage change device: The Centurion PRO incorporates a new voltage change plug that virtually eliminates mis-wiring errors. The new voltage change plug fits specifically to one or the other clearly defined sets of angled spade terminals on the terminal b
  • Definitive shaft access: The Centurion PRO design introduces a new and clearly defined shaft access path to aid installers in identifying the proper tool and location to acquire the shaft during installation or service.
  • 203 Bearings both ends


  • Brand: Regal Beloit
  • Item: Pool and Spa Pump Motor
  • Thrust Horsepower: 1.65 HP
  • Phase: 1-Phase
  • RPM: 3450
  • Ambient Temperature: 50 deg C
  • Bearing Type: Sealed Ball
  • Diameter: 5-5/8 Inch
  • Duty Cycle: Continuous
  • Enclosure Design: Open Drip Proof
  • Finish Color: Satin Black
  • Flange Type: Square
  • Frame: 48Y
  • Frequency Rating: 60 Hz
  • Full Load Amps: 18.8/9.4 A
  • Insulation Class: B
  • Motor Design: Capacitor Start
  • Motor Shaft Rotation: CCWPE
  • Motor Thermal Protection: Auto
  • Number of Speed: 1-Speed
  • Overall Length: 12.03 Inch
  • Service Factor: 1.00
  • Shaft Design: Threaded
  • Shaft Diameter: 5/8 Inch
  • Shaft Material: 303 Stainless Steel
  • Standards Approvals: UL 1081 Approved, UL Recognized (E46412), CSA Certified (LR43341)
  • Type: C
  • Voltage Rating: 115/230 V