Century USQ1102 1 HP Up-Rated Square-Flange Pool Pump Motor
The Century USQ1102 is a professional-grade, up-rated 1 HP single-speed motor designed for inground pool pump applications. With a 48Y square-flange frame, dual-voltage capability and a 3450 RPM rating, it supports heavy duty service for pump systems requiring reliable performance.
Key Features
- 1 HP nominal rating, up-rated design for enhanced durability and service factor.
- 3450 RPM single speed—ideal for many inground pool circulation pumps.
- 115/230 V dual-voltage configuration offers installation flexibility.
- 48Y frame with square-flange mounting pattern simplifies retrofit into many pump models.
- Stainless steel threaded shaft, sealed ball bearings, and open-dripproof enclosure for pool environment durability.
Technical Specifications
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Part Number: USQ1102
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Horsepower: 1 HP (up-rated to equivalent higher durable service)
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Speed: 3450 RPM
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Voltage: 115/230 V, single‐phase
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Frame / Mount: 48Y frame, square-flange
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Shaft: Threaded stainless steel
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Service Factor: ~1.25
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Enclosure Type: Open Drip Proof (ODP)
Installation & Compatibility Notes
Verify that your existing pump motor uses a 48Y square-flange mounting pattern and square-flange bolt‐hole layout. Ensure voltage compatibility (115 V or 230 V) with the motor wiring configuration. When replacing this motor, inspect the pump seal and shaft alignment, and follow lock-out/tag-out procedures for electrical safety. Adequate ventilation is required for the ODP enclosure; do not install in fully enclosed spaces without proper airflow.
Maintenance Tips
- Check motor mounting bolts annually to ensure secure attachment.
- Inspect shaft seal and pump housing clearance at motor interface when performing pump maintenance.
- Clean motor ventilation louvers and keep area free of debris to maintain cooling flow.
- Monitor motor amperage draw to detect early signs of mechanical load increase or bearing wear.
Why Choose This Motor?
The Century USQ1102 offers a reliable, widely compatible solution for pool pump motor replacement. Its up-rated construction, broad compatibility and strong technical specification make it a smart choice for service professionals and pool owners alike who require dependable performance and long service life.
