EMERSON 51-21276-02 Rheem Condenser Fan Motor KA55HXPA-7255

( Brand: Emerson ), ( Manufacturer Part Number: 51-21276-02 ), ( Type: Condenser Fan ), ( Compatible Brand: For Rheem, For Ruud )

Review EMERSON Oem Rheem Condenser Fan Motor Used Tested

The **Emerson 51-21276-02 (KA55HXPA-7255 Rheem Condenser Fan Motor)** is a high-performance, direct-drive electric motor meticulously engineered for use in residential and light-commercial HVAC (heating, ventilation, and air conditioning) systems, specifically designed to power Rheem-branded condenser units. This motor exemplifies Emerson s commitment to reliability, efficiency, and durability, delivering consistent performance in demanding environmental conditions. Built with a robust **51-series** frame, it features a **7255** model designation, indicating a precise fit for Rheem s condenser fan applications, ensuring seamless integration with compatible air conditioning and heat pump systems. The motor operates on a **single-phase, 115-volt AC** system, providing the necessary torque and airflow to efficiently circulate refrigerant through the condenser coil, optimizing cooling and heating cycles.

Constructed with premium materials, the Emerson 51-21276-02 incorporates a **cast aluminum housing** for superior heat dissipation, preventing overheating during prolonged operation. Its **permanent split-capacitor (PSC) induction design** ensures smooth, vibration-free performance while maintaining energy efficiency, reducing operational costs over time. The motor is equipped with a **high-quality, corrosion-resistant coil winding**, shielded by a protective varnish to guard against moisture, dust, and temperature fluctuations critical factors in outdoor condenser environments where exposure to the elements is inevitable. Additionally, the **direct-drive configuration** eliminates the need for belts or pulleys, minimizing wear and tear while maximizing mechanical efficiency.

For enhanced longevity and ease of maintenance, Emerson has integrated a **sealed bearing system** that reduces friction and extends the motor s operational lifespan. The motor s **fan assembly** is engineered to deliver optimal airflow, ensuring that the condenser operates at peak efficiency, which is vital for maintaining the system s overall performance and energy rating. Compatible with Rheem s condenser units, this motor is a direct replacement for the **KA55HXPA-7255** model, guaranteeing a perfect fit without compromising on quality. Whether installed in a new HVAC system or as a replacement for an aging unit, the Emerson 51-21276-02 offers a dependable solution for homeowners and contractors seeking a motor that balances performance, durability, and ease of installation. Its robust construction and precision engineering make it an ideal choice for maintaining the efficiency and reliability of Rheem-branded cooling and heating systems in residential and light-commercial applications.

### Pros and Cons of buying a Emerson 51-21276-02 (KA55HXPA-7255) Rheem Condenser Fan Motor

1. **Compatibility** This motor is specifically designed for Rheem and certain Emerson HVAC systems, ensuring a direct fit without modification. It is commonly used in models like the Rheem RTGC, RTGCV, and similar series, making it a reliable replacement for failing condenser fan motors.

2. **Energy Efficiency** The motor is likely to be an improved or upgraded version of the original equipment, potentially offering better efficiency than older models. This can lead to lower energy consumption and reduced operating costs over time.

3. **Durability and Reliability** Emerson and Rheem are well-known brands in the HVAC industry, and their replacement parts are generally built to last. This motor is designed to withstand the demands of continuous operation in residential or light commercial systems.

4. **Ease of Installation** Since it is an OEM (Original Equipment Manufacturer) or high-quality aftermarket part, installation is typically straightforward. It should fit seamlessly into the existing system with minimal adjustments required.

5. **Warranty Coverage** Emerson and Rheem often provide warranties on their replacement parts, offering some level of protection against defects. This can provide peace of mind, especially if the motor fails shortly after installation.

6. **Performance Consistency** The motor is engineered to match the performance specifications of the original equipment, ensuring that the condenser fan operates at the correct speed and efficiency to maintain optimal cooling or heating performance.

7. **Wide Availability** As a common replacement part, this motor is likely to be readily available through HVAC supply companies, online retailers, or directly from Emerson/Rheem distributors, reducing lead times for replacement.

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1. **Cost** Replacement motors like this one can be more expensive than generic or lower-quality aftermarket alternatives. The price may range from $100 to $300 or more, depending on the retailer and any additional fees (e.g., shipping, taxes).

2. **Potential Overkill** If your system is older or less demanding, a high-quality motor like this may offer more performance than necessary. In some cases, a slightly less expensive motor could suffice without sacrificing reliability.

3. **Compatibility Risks** While this motor is designed for specific Rheem/Emerson systems, there is always a small risk of misalignment or incompatibility if the system has been heavily modified or if the part is not the exact match. Always verify compatibility with your system s model number before purchasing.

4. **Installation Complexity** If you are not experienced with HVAC repairs, replacing a condenser fan motor may require careful handling of electrical components and proper alignment. Improper installation could lead to further damage or reduced performance.

5. **Labor Costs** If you hire a professional HVAC technician to install the motor, labor costs (typically $100 $300 or more) could significantly increase the total expense. DIY installation may not be feasible for everyone.

6. **Limited Customization** Unlike some aftermarket motors, this is a standardized replacement part. If you need specific customizations (e.g., variable speed adjustments), you may not have that flexibility with this model.

7. **Potential for Counterfeit Parts** Purchasing from untrusted sellers (e.g., third-party online marketplaces) could result in receiving a counterfeit or low-quality motor. Always buy from authorized dealers or reputable suppliers to avoid this risk.

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The Emerson 51-21276-02 (KA55HXPA-7255) Rheem condenser fan motor is a high-quality, reliable replacement part that offers compatibility, efficiency, and durability for Rheem and Emerson HVAC systems. It is an excellent choice if you prioritize performance, longevity, and ease of installation. However, the higher cost and potential overkill for less demanding systems are drawbacks to consider.

For most homeowners or businesses with Rheem/Emerson systems experiencing motor failure, this motor is a strong recommendation due to its proven track record. If budget is a concern, it may be worth comparing prices across suppliers or considering slightly less expensive but still reputable alternatives. Always ensure the motor matches your system s specifications before purchasing.

If your system requires a condenser fan motor and this part is compatible with your Rheem or Emerson unit, **proceed with purchasing it from an authorized dealer or a trusted HVAC supplier**. Verify the exact model number of your system to confirm compatibility. If you are comfortable with DIY repairs, installing it yourself can save on labor costs. Otherwise, hire a licensed HVAC technician to ensure proper installation and avoid voiding any warranties. The long-term reliability and performance benefits of this motor make it a worthwhile investment for maintaining your HVAC system s efficiency.

Details:

Some parts have been painted for cosmetic reasons only. This part must be installed by a licensed HVAC technician. 30 day warranty begins on first of delivery. All parts have been bench tested and visually inspected to ensure they are in working order.

Our pledge is to do whatever it takes make your experience with us 100% satisfactory.

part #: 512127602 price

• $149.00

specifications fablowehva:

• brand: Emerson
• mpn: 51-21276-02
• type: Condenser Fan
• compatible brand: For Rheem, For Ruud

general fablowehva:

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

payments fablowehva:

• other
• wallet: Google-pay
• credit card: Mastercard

returns fablowehva:

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

seller fablowehva:

• rating: 99.7%
• city: Wichita, Kansas
• # reviews: 1129

offer fablowehva:

• started: April 30, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

shipping fablowehva:

• class: Standard
• cost: $0.00
• type: Calculated
• service: USPS Ground Advantage
• transit: 4-9 Days
• carrier: USPS

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