Description
Rheem-Ruud 51-102021-01 Blower Motor Overview
The Rheem-Ruud 51-102021-01 is a direct OEM replacement blower motor engineered for reliable, efficient airflow in Rheem and Ruud HVAC systems. Built to exacting OEM specifications, this permanent split capacitor (PSC) motor delivers consistent multi-speed performance in demanding residential and light commercial applications.
Electrical Specifications
- Horsepower: 1/2 HP
- Voltage: 460VAC
- Phase: Single Phase
- Amperage: 1.2 Amps
- Motor Type: Permanent Split Capacitor (PSC)
Mechanical Specifications
- Speed: 1075 RPM
- Number of Speeds: 3
- NEMA Frame Size: 48
- Bearing Type: Sleeve Bearing
- Mounting Style: Shell-Band Mount
- Shaft Size: 1/2″ diameter x 3″ length
- Rotation: Counter-Clockwise (CCW)
Key Features & Benefits
- OEM part number 51-102021-01 ensures direct fit for compatible Rheem and Ruud equipment
- Three-speed operation provides flexible airflow control for heating and cooling modes
- Permanent split capacitor design delivers smooth, energy-efficient starting and running performance
- Sleeve bearing construction offers quiet, long-lasting operation
- Shell-band mount simplifies installation and secure motor retention
- 1/2″ x 3″ shaft accommodates standard blower wheel configurations
- CCW rotation matches OEM blower assembly requirements
Application
This blower motor is designed as a direct OEM replacement for Rheem and Ruud air handlers, furnaces, and fan coil units that specify the 51-102021-01 part number. Always verify compatibility with your specific equipment model before installation.







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