Rheem-Ruud 51-104306-01 ECM Blower Motor 1 HP 120-240V Variable Speed

The Rheem-Ruud 51-104306-01 is an OEM upgraded ECM (Electronically Commutated Motor) blower motor designed for residential HVAC furnaces and air handlers. This high-efficiency variable speed motor delivers 1 horsepower of power while operating on dual voltage 120-240V single-phase electrical systems at 50/60 Hz.

Key Specifications:

• Motor Type: ECM (Eon) variable speed technology
• Horsepower: 1 HP
• Voltage: 120-240V, single phase, 50/60 Hz
• Speed: 1050 RPM variable speed operation
• Shaft Diameter: 1/2 inch
• Motor Body Diameter: 5-5/8 inches
• Frame Size: 48
• Mounting: Shell-band
• Drive Type: Direct drive
• Bearing Type: Ball bearings

Technical Features:

• 16-pin connector for easy installation
• Compatible with ECM 2.0 and 2.3 motor systems
• Variable speed operation for improved energy efficiency
• Backward compatible with existing ECM 2.3 systems
• Shaft length: 4 inches keyed/flat, 4-1/2 inches overall
• Motor body length: 7-1/4 inches
• Overall motor length: 11-13/16 inches
• Compatible replacement module: 51-104906-18

This upgraded ECM blower motor provides superior energy efficiency compared to traditional PSC motors, delivering quieter operation and precise airflow control. The variable speed capability allows the motor to adjust its speed based on system demand, reducing energy consumption and improving comfort. Designed as a direct OEM replacement for Rheem, Ruud, WeatherKing, and Corsaire HVAC systems.