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Square-flange pool pump motor with threaded shaft and capacitor housing

AO Smith

AO Smith USQ1102 1HP Pool Pump Motor Square Flange

SKU CH-J2DN-E0D3D

Single-speed pool pump motor with square flange, 1 HP, dual-voltage 115/230 V operation and 3450 RPM

  • TypePool Pump Motors
  • Single-speed operation simplifies pool maintenance
  • Dual-voltage 115/230 V fits existing wiring
  • 25 service factor handles peak loads reliably
  • 3450 RPM at 60 Hz delivers strong water flow
  • 48Y frame with threaded shaft matches square-flange pumps

Square-flange 1 HP pool pump motor

This single-speed motor carries a 48Y frame and threaded shaft that bolt directly to standard square-flange pump housings. It runs at 3450 RPM on 60 Hz power and offers dual-voltage operation at 115 or 230 volts for flexible installation.

Capacity and headroom

The 1 HP rating with a 1.25 service factor delivers reliable flow for typical residential pools and small commercial features. Current draw peaks at 15.3 amps on 115 V and 7.6 amps on 230 V, so the circuit must handle that load without nuisance tripping.

Replaces worn single-speed units

Swapping an ageing capacitor-start motor of the same frame and voltage restores original flow without plumbing changes. The upgrade is worthwhile when the old motor overheats, loses prime or draws excess current beyond its nameplate rating.

Highlights

  • Single-speed operation simplifies pool maintenance
  • Dual-voltage 115/230 V fits existing wiring
  • 25 service factor handles peak loads reliably
  • 3450 RPM at 60 Hz delivers strong water flow
  • 48Y frame with threaded shaft matches square-flange pumps

Specifications

TypePool Pump Motors

Questions about this item

Will the 48Y frame and threaded shaft bolt onto my existing square-flange pump housing?

The motor uses a 48Y frame with a threaded shaft designed for square-flange mounting, matching the bolt pattern on most standard pool pump housings.

How can I confirm the motor is running at the correct 3450 RPM after installation?

At 60 Hz the motor runs at 3450 RPM; you can verify speed with a handheld tachometer or by checking that the pump delivers its usual flow rate.

Does the box include a capacitor and mounting bolts, or do I need to buy them separately?

The motor is a capacitor-start design; the capacitor is typically supplied with the motor, while mounting bolts are not included and must be sourced separately.

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