1. Fans & Blowers Hvac Parts For Sale
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  3. RHEEM 51-21856-01

RHEEM 51-21856-01 Smith Ruud Condenser Fan Motor 323P949 A.o.smith ME478

51-21856-01 Rheem A.o.smith 323p949 Ruud Condenser Fan Motor Used #me478

( Brand: Rheem ), ( Manufacturer Part Number: 51-21856-01 ), ( Model: 323P949 ), ( Type: Condenser Fan ), ( Power Frequency: 60 Hz ), ( Voltage: 230 V )

Review RHEEM 51-21856-01.o.smith Ruud Condenser Fan Motor Used #me478

Rheem 51-21856-01 / A.O. Smith 323P949 / Ruud CONDENSER FAN MOTOR ME478 - High-Performance and Reliable Replacement

The Rheem 51-21856-01, also interchangeably known as the A.O. Smith 323P949 and the Ruud CONDENSER FAN MOTOR ME478, is a top-tier replacement solution for your air conditioning system's condenser fan motor needs. This motor is renowned for its compatibility with various brands, including Rheem, A.O. Smith, and Ruud, making it an ideal choice for a wide range of users.

Crafted with precision engineering, this motor boasts a powerful and efficient design that ensures reliable and quiet operation. It is engineered to deliver a consistent airflow, which is essential for the efficient cooling of your home. The motor's high-quality construction ensures durability, even under heavy usage, providing you with a long-lasting solution for your air conditioning needs.

The Rheem 51-21856-01 / A.O. Smith 323P949 / Ruud CONDENSER FAN MOTOR ME478 features a 1/6 HP, single-phase, and permanent split capacitor design. This design ensures smooth and quiet operation while minimizing power consumption. The motor is also equipped with a reliable capacitor that provides the necessary start-up torque for efficient performance.

Installation of this motor is straightforward, thanks to its easy-to-follow instructions and compatible mounting hardware. The motor's universal fitment ensures that it can be installed in various air conditioning systems, further enhancing its versatility.

In summary, the Rheem 51-21856-01 / A.O. Smith 323P949 / Ruud CONDENSER FAN MOTOR ME478 is an excellent choice for those seeking a high-performance, reliable, and efficient replacement condenser fan motor. Its compatibility with multiple brands, powerful design, and quiet operation make it an ideal solution for maintaining the cooling efficiency of your home.

Comparative Analysis of Rheem 51-21856-01, A.O. Smith 323P949, and Ruud ME478 Condenser Fan Motors

Pros of Rheem 51-21856-01:

1. Compatibility: This motor is specifically designed for use with Rheem air conditioning units, ensuring a perfect fit and efficient operation.

2. Efficiency: The motor is Energy Star certified, indicating it meets or exceeds the U.S. Environmental Protection Agency's guidelines for energy efficiency.

3. Warranty: Rheem provides a solid warranty for this product, offering peace of mind for consumers.

Cons of Rheem 51-21856-01:

1. Limited Brand Compatibility: This motor is only compatible with Rheem units, which may limit its versatility for users with other brands of air conditioning systems.

2. Availability: Compared to some other brands, Rheem parts may not be as readily available in local stores, requiring online purchases or special orders.

Pros of A.O. Smith 323P949:

1. Universal Compatibility: This motor is designed to fit a wide range of air conditioning systems, increasing its versatility.

2. Reliable Performance: A.O. Smith is a well-known brand, known for producing high-quality, reliable parts.

3. Warranty: The motor comes with a decent warranty, providing some protection for the consumer.

Cons of A.O. Smith 323P949:

1. Efficiency: Although the motor is reliable, it may not be as energy-efficient as some other options on the market.

2. Price: Compared to some other universal motors, the A.O. Smith 323P949 might be slightly more expensive.

Pros of Ruud ME478:

1. Compatibility: The Ruud ME478 is designed for use with Ruud air conditioning systems, ensuring a proper fit and efficient operation.

2. Energy Efficiency: This motor is Energy Star certified, demonstrating its energy-saving capabilities.

3. Warranty: Ruud offers a solid warranty for this product, giving consumers confidence in their purchase.

Cons of Ruud ME478:

1. Limited Brand Compatibility: Like the Rheem motor, the Ruud ME478 is only compatible with Ruud units, restricting its versatility.

2. Availability: Ruud parts may not be as widely available as those from other manufacturers, potentially necessitating online purchases or special orders.

Conclusion:

When considering a condenser fan motor, it's essential to balance compatibility, efficiency, and cost. For those with Rheem or Ruud air conditioning systems, the Rheem 51-21856-01 or Ruud ME478 would be the most suitable choices due to their designed compatibility and energy efficiency. However, for users with various air conditioning brands or who prioritize versatility, the A.O. Smith 323P949 may be the better option, despite its slightly higher price.

Recommendation:

Based on the factors discussed, I would recommend the A.O. Smith 323P949 for its universal compatibility and reliable performance, despite its slightly higher cost. However, if you have a Rheem or Ruud system, the corresponding motor from those brands (Rheem 51-21856-01 or Ruud ME478) would be the optimal choice. Always ensure to confirm compatibility before making a purchase.

Details:

Please see more details from the images attached. Purchasing used parts you agree with the statement that sometimes hidden defects or malfunctions may occur during installation continuous use. There is no warranty on used parts. Motor has been tested, works well and it is in good cosmetic condition.

Most of the parts require specific knowledge and skills to be installed properly. This is.O.Smith 323P949 Rheem RUUD Condenser FAN MOTOR 51-21856-01 208/230V 1075 RPM 1/6 HP used part. This part was removed by HVAC installer from a working unit. Old system was replaced with newer one more energy efficient and in good working condition.

part #: 512185601 prices

  • $109.95-$198.70

specifications fablowehva:

  • brand: Rheem
  • mpn: 51-21856-01
  • model: 323p949
  • type: Condenser Fan
  • power frequency: 60 Hz
  • voltage: 230 V

seller fablowehva:

  • rating: 99.8%
  • city: Glendale, California
  • # reviews: 12526

shipping fablowehva:

  • class: Standard
  • transit: 3-8 Days
  • cost: $0.00
  • carrier: USPS
  • service: USPS Ground Advantage
  • type: Fixed

general fablowehva:

  • condition: Used
  • HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Fans Blowers

returns fablowehva:

  • paid by: Seller
  • method: Money back
  • time: 30 Days
  • policy: Returns Accepted

offer fablowehva:

  • availability: In Stock
  • started: April 29, 2025
  • options: Ship-to-home
  • quantity: 1
  • sold: 0

payments fablowehva:

  • wallet: Apple-pay
  • other
  • credit card: Discover
type: condenser fan, power frequency: 60 hz, voltage: 230 v,
category: business & industrial > hvac refrigeration > hvac refrigeration: parts accessories > hvac refrigeration: fans blowers, sku: 10618288120470772,
Rheem 51-21856-01 Is Similar To:
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3 offers $109.95–$198.70 USD
  • New. Offer #1 priced at $109.95 + $0.00 shipping estimate = $109.95* total. In an HVAC system, motors typically turn the air conditioning fan blade and the furnace blower motor. This is a new ClimaTek Condenser Fan Motor It is rated at 1/5 HP, 208-230 volts, and 1075 RPM.FREE SHIPPING
  • New. Offer #2 priced at $198.70 + $0.00 shipping estimate = $198.70* total. The rotation is reversible! It takes a 3 uf Capacitor rated at 370 volts.This Motor mouts with screws in the SIDE, instead of mounting studs coming out the back! This OEM motor was designed by Rheem to replace several older motors.FREE SHIPPING
  • New. Offer #3 priced at $160.96 + $19.99 shipping estimate = $180.95* total. of Phases: 1 ---Frequency (Hz): 60 ---Rotation Direction (OSE): Reversible ---Run Capacitor (uF/V): 3/370 (230V), 5/370 (208V) ---FLA at 230V (A): 1.30 ---Shaft Diameter (in.): 1/2 ---Motor Body Diameter (in.): 5-5/8 ---Keyed/Flat Shaft Length (in.): 3-1/4 ---Overall Shaft Length (in.): 4-1/4 ---Motor Body Length (in.): 3-9/16 ---Overall Motor Length (in. of Speeds: 1 ---High Speed (RPM): 1075 ---Input Voltage (V): 208 ---Input Voltage (V): 230 ---No.+$19.99 shipping

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