Description
Rheem-Ruud 51-100837-01 Blower Motor Overview
The Rheem-Ruud 51-100837-01 is a direct-replacement blower motor engineered for reliable indoor air handling performance in residential and light-commercial HVAC systems. Built to exacting OEM specifications, this permanent split capacitor (PSC) motor delivers consistent, efficient airflow across two operating speeds — making it ideal for multi-stage heating and cooling applications.
Electrical Specifications
- Horsepower: 1/4 HP
- Voltage: 208–230 VAC
- Phase: Single Phase
- Amperage: 1.4 Amps
- Motor Type: Permanent Split Capacitor (PSC)
- Speeds: 2-Speed
Mechanical Specifications
- Speed: 1075 RPM
- NEMA Frame Size: 48
- Enclosure Type: Open Air Over (OAO)
- Bearing Type: Sleeve Bearing
- Mount Style: Shell-Band Mount
- Shaft Size: 1/2″ diameter x 4-1/2″ length
- Rotation: Counter-Clockwise (CCW), viewed from shaft end
Key Features & Benefits
- OEM-specified replacement for Rheem and Ruud air handling equipment
- Two-speed operation supports variable airflow for improved comfort and efficiency
- PSC motor design provides smooth, quiet startup and steady-state operation
- Open air-over enclosure allows cooling airflow from the blower wheel, extending motor life
- Sleeve bearing construction offers low-noise, maintenance-friendly performance
- Shell-band mount simplifies installation and secure positioning within the blower housing
- 1/2″ x 4-1/2″ shaft accommodates standard blower wheel hubs
- CCW rotation matches OEM blower wheel orientation for proper airflow direction
Application
Designed as a direct OEM replacement for Rheem and Ruud furnaces, air handlers, and fan coil units requiring a 1/4 HP, 208–230V, 2-speed blower motor. Always verify shaft size, rotation, mounting style, and voltage requirements against your existing unit before installation.
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