
51-102728-21 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $299.00 | Top Pick! Condition is New, OEM Rheem Ruud Condenser ECM Outdoor Fan Motor 51-102728-21, shipping cost = $36.80 | 100.0% |
![]() | $389.89 | Condition is New, Rheem 51-102728-21 1/3 hp 208/230V ECM Variable Speed Motor #m18, shipping cost = $36.86 | 100.0% |
![]() | $410.40 | Condition is New, OEM Rheem Ruud Condenser ECM Outdoor Fan Motor 51-102728-21, shipping cost = $71.39 | 50.0% |
![]() | $506.93 | Condition is New, Rheem 51-102728-21 Motor - ECM (Outdoor), FREE SHIPPING | ![]() |
![]() | $521.41 | Top Pick! Condition is New, Rheem 51-102728-21 1/3 hp 208/230V ECM Variable Speed Motor, FREE SHIPPING | 99.4% |
![]() | $559.35 | Condition is New, RHEEM 51-102728-21 ECM Motor (Condenser Motor) -Ruud, FREE SHIPPING | 98.6% |
![]() | $549.50 | Condition is New, 51-108728-00 Rheem ECM ENSITE Air Motor (230V, 1/2 hp) 662766717327, shipping cost = $19.17 | 98.4% |
![]() | $582.95 | Top Pick! Condition is New, 51-102728-21 Rheem Ecm Motor (Condenser Motor) OEM 51-102728-21, shipping cost = $15.95 | 99.6% |
![]() | $603.84 | Condition is New, Rheem-Ruud 51-102728-21 ECM Motor (Condenser Motor), FREE SHIPPING | 99.4% |
![]() | $618.24 | Condition is New, Rheem 51-102728-21 Condenser Motor ECM Outdoor, shipping cost = $8.85 | 99.5% |
![]() | $648.59 | Condition is New, 51-102728-21 Rheem Ecm Motor Outdoor RA1636AC1NB, RA1636AJ1NA and RA1636AJ1NB, shipping cost = $19.17 | 98.4% |

The Rheem-Rudds 51-102728-21 ECM Condenser Motor is a high-performance, reliable solution for your heating and cooling system. This motor is engineered to deliver efficient and consistent operation, making it an excellent choice for residential and light commercial applications.
First and foremost, this motor comes with a 1/3 horsepower rating and operates on a single-phase 208-230 volts electrical system. The motor's maximum amp draw is 3.5 amps. The motor's RPM speed is 767, ensuring that it delivers the optimal performance for your air conditioning or heating system.
The 51-102728-21 ECM Condenser Motor utilizes an Electronic Commutation Motor (ECM) technology. ECM technology provides several benefits over traditional commutator motors. It enables improved efficiency, longer motor life, quieter operation, and more accurate speed control. This technology also makes the motor compliant with Energy Star regulations, which helps you save money on your energy bills in the long run.
The motor's housing is made from high-quality materials designed to withstand the demands of heavy usage. The motor's dual ball bearings help reduce wear and tear, allowing for smoother operation and longer motor life. Additionally, it's designed to fit perfectly within most standard mounting positions, making installation quick and easy.
The 51-102728-21 ECM Condenser Motor's sealed design ensures that no moisture or contaminants can enter the motor, preventing potential damage and minimizing the need for maintenance. Its copper windings, enclosed in a thermally-protected modular design, provide consistent resistance even when temperatures fluctuate. This design aids in the motor's efficiency and longevity.
With its defined efficiency, this motor offers a variety of benefits for your heating and cooling system. It results in reduced energy consumption, decreased utility bills, and a more comfortable living environment. Furthermore, its long motor life and minimized maintenance requirements ensure that you'll enjoy trouble-free operation for years to come.
The Rheem-Rudd 51-102728-21 Rudd ECM Condenser Motor is a 1/3 horsepower, single-phase motor designed for use in air conditioning systems. This motor is rated for voltages between 208-230 volts and has a current draw of 3.5 amps. It operates at a rotational speed of 767 rpm and utilizes an Electronically Commutated Motor (ECM) technology for energy efficiency.
Pros of buying this motor include:1. Energy Efficiency: ECM technology enables the motor to run more efficiently than traditional contactor motors. This results in reduced energy consumption and lower utility bills.
2. Longer Motor Life: ECM motors have fewer moving parts than traditional motors, which can lead to a longer motor life and reduced service calls.
3. Quieter Operation: ECM motors operate more quietly than older motors due to their improved design and fewer moving parts.
4. Smart Controls: This motor is compatible with Rheem's smart thermostat and other control systems, allowing for more precise management of temperature and energy usage.
Cons of buying this motor include:1. Higher Upfront Cost: ECM motors tend to cost more upfront than traditional motors due to their advanced technology and features.
2. Complex Installation: Installing an ECM motor can be more involved than installing a traditional motor, as it requires additional wiring and programming.
3. Incompatibility with Older Systems: Some older air conditioning systems may not be compatible with ECM motors, which may limit their suitability for some applications.
In conclusion, the Rheem-Rudd 51-102728-21 Rudd ECM Condenser Motor offers numerous benefits, including energy efficiency, longer motor life, quieter operation, and compatibility with smart controls. However, it also comes with a higher upfront cost, a more complex installation process, and possible incompatibility with older systems.
If you are looking to upgrade your existing air conditioning system with a more energy-efficient and quiet motor and have the budget and compatible system for it, then the Rheem-Rudd ECM motor is an excellent choice. On the other hand, if you are working with a tight budget or have an older system that cannot support ECM technology, it may be more cost-effective to opt for a traditional motor.
Details:
Has some scuffs and scrapes.
specifications centrafurn:
- brand: Rheem-ruud
- mpn: 51-102728-21
- type: Condenser Motor
- color: Gray
- material: Metal
seller centrafurn:
- # reviews: 61343
- city: ogden, utah
- rating: 99.3%
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
offer centrafurn:
- prices: $299.00–$648.59
- item condition: New
- availability: in stock
- started: january 20, 2025
- sold #: 27
- options: ship-to-home
- in stock #: 5
shipping centrafurn:
- class: standard, expedited
- service: standard, expedited
- type: fixed
- transit: 3-7 days
payments centrafurn:
- wallet: apple-pay
- other
- credit card: visa
returns centrafurn:
- paid by: seller
- method: money back
- time: 30 days
- policy: returns accepted
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