Single-Speed Motor, 208/230 V, 1/3 HP, 1075 RP

Rheem/Ruud 51-23053-11 – OEM 1/3 HP Condenser Fan Motor for Residential HVAC Systems

The Rheem 51-23053-11 is a factory-specified OEM condenser fan motor designed for compatibility with a range of residential split-system HVAC units under the Rheem and Ruud brands. Engineered to operate at 1075 RPM, this motor delivers reliable airflow across the condenser coil, supporting efficient system heat exchange and consistent cooling performance in standard ambient conditions.

Designed for Direct System Compatibility

This motor is configured as a single-speed, direct-drive unit optimized for axial fan applications in outdoor condenser sections. The sealed construction and thermally protected windings ensure safe and efficient operation in demanding environments. The 1/3 HP rating offers sufficient power for most standard residential condenser platforms, with stable performance under full system load.

Professional Features & Specifications

• ✅ Voltage Rating: 208/230V, 60Hz – Standard across residential condenser platforms.
• ✅ Horsepower: 1/3 HP – Matches factory requirements for Rheem/Ruud 2–3 ton units.
• ✅ Rotation: Reversible – Allows flexibility for directional airflow as per unit design.
• ✅ Frame Size: 48Y – Universal condenser fan frame for OEM and service replacements.
• ✅ Speed: 1075 RPM – Optimized for consistent airflow in residential outdoor units.
• ✅ Mounting: Belly band compatible with threaded shaft and standard hub mounts.

Installation Requirements

The 51-23053-11 motor is intended for field replacement by licensed HVAC technicians. Installation involves disconnection and reconnection of line voltage wiring and capacitor terminals, verification of motor rotation, and proper fan blade positioning on the motor shaft. Ensure the unit is de-energized and properly grounded before beginning installation. Use only OEM-matched run capacitors to avoid early failure or motor overheating.

Applications in the Field

This motor is typically installed in residential air conditioning condensers within Rheem and Ruud systems. It supports outdoor duty operation and is protected against dust and moisture infiltration via enclosed motor housing. The durable windings and thermally protected stator enable extended service life under continuous load, making it a reliable option for service calls and OEM-specified replacement scenarios.

Additional Technical Attributes

• ✅ Enclosure: Totally Enclosed Air Over (TEAO)
• ✅ Thermal Protection: Automatic reset overload protector
• ✅ Service Factor: 1.0
• ✅ Bearings: Sleeve or ball bearing depending on production revision
• ✅ Lead Type: Color-coded pigtails with stripped ends for junction box termination