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Quick specs
Horsepower
1/3 HP
Voltage
208/230V, 1-phase
Motor Type
ECM, variable speed
Fits
Rheem RAWL-079 condensers
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
RHEEM RUUD 1/3 HP ECM Condenser Fan Motor 51-102728-20
Genuine OEM ECM Motor·1/3 HP Variable Speed
$529.44
-
- Free shipping — most items ship by the next day
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
RHEEM RUUD 1/3 HP ECM Condenser Fan Motor 51-102728-20
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Need help? (888) 292-0874
- Free shipping — most items ship by the next day
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
In stock
In most items, small items ship same day. Complete systems ship next business day.
$529.44
-
Need help? (888) 292-0874
- Free shipping — most items ship by the next day
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
Quick specs
Horsepower
1/3 HP
Voltage
208/230V, 1-phase
Motor Type
ECM, variable speed
Fits
Rheem RAWL-079 condensers
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
RHEEM RUUD 1/3 HP ECM Condenser Fan Motor 51-102728-20
This genuine OEM Rheem / Ruud ECM (Electronically Commutated Motor) condenser fan motor is a high-efficiency replacement part designed for optimal performance in residential and light commercial HVAC systems. Part number 51-102728-20 delivers reliable, variable-speed operation for outdoor condensing units.
Key Features
- 1/3 HP ECM Technology: Electronically commutated motor with variable speed capability for precise airflow control.
- Voltage & Specs: 208-230V, 1-phase, 50/60 Hz, approximately 3.5 amps, up to 789 RPM (variable).
- Durable Construction: Open Air Over (OPAO) enclosure, continuous running duty (S1), designed for demanding outdoor conditions.
- Quiet & Efficient Operation: Soft-start functionality reduces inrush current and mechanical stress.
- Genuine OEM Part: Manufactured to exact Rheem/Ruud specifications for perfect fit and long-term reliability.
Benefits
- Energy Savings: ECM motors are significantly more efficient than traditional PSC motors, reducing electricity consumption while maintaining strong airflow — especially valuable in variable conditions or two-stage systems.
- Improved System Performance: Variable speed helps optimize condenser operation, enhances humidity control, reduces temperature swings, and supports better overall HVAC efficiency.
- Enhanced Durability: Lower operating stress and smoother operation lead to longer motor life and reduced wear on other components.
- Quiet Comfort: Reduced noise during startup and running for a more peaceful outdoor environment.
- Easy OEM Replacement: Direct drop-in fit for compatible units, minimizing installation time and ensuring warranty compliance.
Compatibility
This motor is commonly used in Rheem and Ruud air conditioning and heat pump outdoor units, including models in the RA14, RA16, SA16 series (e.g., RA16-36, RA16-42, RA16-48, RA16-60 and similar). It also fits select WeatherKing, Sure Comfort, and other compatible Rheem-family systems. Always verify your unit’s model and serial number for exact fitment.
Note: A higher-numbered superseding part (such as 51-107278-*) may be available in some cases as an updated equivalent.
This premium OEM motor is the ideal choice for restoring peak efficiency and reliability to your Rheem or Ruud HVAC system. For professional installation, consult a qualified HVAC technician.
Key features
- Genuine OEM ECM Motor — Rheem/Ruud condenser fan
- 1/3 HP Variable Speed — high-efficiency airflow
- Residential and Light Commercial — AC and heat pump systems
- Direct Replacement — part 51-102728-20
Why homeowners choose NAW
Genuine OEM parts
Every part we sell is the real thing — authorized, factory-genuine, and backed by the full manufacturer warranty.
Easy online ordering
Find your part by model number, add to cart, and get it delivered to your door — no middleman, no markup.
30-day hassle-free returns
Ordered the wrong part? Send it back within 30 days.
Help when you need it
Not sure if this is the right part? Call us at (888) 292-0874 and we’ll help you find the correct replacement.
Specifications
Frequency 50/60 Hz
Current Approx. 3.5 amps
Speed Up to 789 RPM (variable)
Enclosure Open Air Over (OPAO)
Duty Continuous (S1)
Customer reviews
What buyers are saying
Verified reviews from customers who purchased this product.
5.0
6 verified reviews
TF
Teddy F
I couldn’t believe the performance I got from the Rheem Ruud OEM Condenser ECM Motor 51-102728-20 at such an amazing price! It runs smoothly and efficiently, keeping my system in top shape and providing unbeatable comfort throughout the year.
EF
Edward F
The Rheem Ruud OEM Condenser ECM Motor 51-102728-20 is a game-changer, providing exceptional energy efficiency and flawless performance for any system. Its unbeatable price makes it a must-have for anyone seeking reliable, high-quality equipment that exceeds expectations!
FV
Felix V
Recently purchased the Rheem Ruud OEM Condenser ECM Motor 51-102728-20, and I’m absolutely thrilled with its performance! The price was surprisingly reasonable, and its equipment quality is exceptional—providing efficient cooling and saving energy, making it a fantastic investment for any HVAC system.
GD
Glenda D
I recently purchased the Rheem Ruud OEM Condenser ECM Motor 51-102728-20, and the exhilarating surprise of its unbeatable price, combined with the exceptional quality of the equipment and its outstanding performance, has turned this buy into an absolute game-changer that far exceeded my expectations!
Z
Zaiden
I recently purchased the Rheem Ruud OEM Condenser ECM Motor 51-102728-20, and the exhilarating combination of its outstanding performance and surprisingly excellent price has not only optimized my HVAC system but also turned a routine replacement into a thrilling and budget-friendly improvement for my home.
K
Kevin
I recently purchased the Rheem Ruud OEM Condenser ECM Motor 51-102728-20, and I’m thrilled to share that the price was unbeatable for such a high-quality component. The surprising efficiency and exceptional performance of this motor have exceeded my expectations, making it a fantastic investment for anyone in need of reliable and top-notch HVAC equipment.
