Rheem-Ruud 51-23023-31 PROTECH Direct Drive Blower Motor 1/3 HP 208-230V 1075 RPM 3-Speed

The Rheem-Ruud 51-23023-31 is a PROTECH series direct drive blower motor designed for quality wholesale HVAC applications and approved as an OEM replacement for many Rheem, Ruud, and WeatherKing models. This versatile 1/3 horsepower motor delivers reliable performance for residential and light commercial heating and cooling systems.

Key Specifications:

• Power: 1/3 HP (horsepower)
• Voltage: 208-230V single phase
• Frequency: 60 Hz
• Speed: 1075 RPM at high speed
• Number of Speeds: 3-speed operation
• Rotation: Reversible (CW or CCW)
• Frame Size: 48
• Motor Body Diameter: 5-5/8 inches
• Shaft Diameter: 1/2 inch

Features:

• Direct drive design for efficient power transfer
• 8-wire lead configuration with color-coded speed and direction wires
• Reversible rotation for flexible installation
• Sleeve bearing construction
• Open enclosure design
• Requires run capacitor (typically 7.5 μF/370V - sold separately)

This motor is engineered to replace numerous obsolete Rheem part numbers including 51-20900-01, 51-20901-01, 51-20902-01, 51-20903-01, 51-20908-01, 51-20909-01, 51-20910-01, 51-21767-01, 51-21768-01, 51-21789-01, 51-21790-01, and 51-21791-01. Professional installation by a licensed HVAC technician is recommended to ensure proper wiring and safe operation.