Michel & Siso are very knowledgeable and explain everything to where I could understand! Amazing experience! Thank you will always come here for any AC needs. Trustworthy and excellent customer service.

Celest G.
Verified Customer

4.9/5 based on 4750 reviews

PROTECH 51-102728-21 Genuine OEM Condenser ECM Outdoor Fan Motor 1/3 HP 208-230V

PROTECH 51-102728-21 Genuine OEM Condenser ECM Outdoor Fan Motor 1/3 HP 208-230V

In stock

Regular price $608.85 USD
Regular price Sale price $608.85 USD
Sale Sold out
Shipping calculated at checkout.

Key Features & Specifications

  • Genuine Rheem/Ruud PROTECH™ 1/3 HP ECM Outdoor Fan Motor.

  • High-efficiency variable speed for precise condenser airflow.

  • Durable ball-bearing design for long-lasting outdoor performance.

  • Operates on 208-230V, Single Phase, 50/60Hz systems.

  • Reliable OEM replacement ensuring quiet, vibration-free operation.

Please visit our store for pick up.

Quantity

safe & secure Checkout

Fast & Tracked Delivery
30 Day money back guarantee

Specifications

Product Details and Key Specifications:

  • Part Number: 51-102728-21
  • Manufacturer: Rheem / Ruud (PROTECH™ Genuine OEM)
  • Part Type: ECM Outdoor Condenser Fan Motor
  • Voltage: 208-230V
  • HP / RPM: 1/3 HP @ 767 RPM
  • Phase / Hertz: Single-phase (1PH) / 50/60 Hz
  • Rotation: Counter-Clockwise (CCW)
  • Shipping Weight: 12.22 lbs

description

PROTECH 51-102728-21 Genuine OEM Condenser ECM Outdoor Fan Motor 1/3 HP 208-230V

The PROTECH™ 51-102728-21 is a high-efficiency Genuine OEM ECM (Electronically Commutated Motor) specifically designed for Rheem and Ruud outdoor condensing units. As a critical component of the outdoor system, this motor drives the condenser fan to facilitate heat rejection, ensuring the HVAC system maintains peak efficiency while protecting the compressor from operational stress and overheating.

Technical Performance:

Engineered for precision, this 1/3 HP motor operates on 208-230V single-phase power and utilizes advanced ECM technology for variable-speed performance. Choosing a Genuine OEM replacement ensures seamless electrical compatibility and a precision "no-vibration" fit, which is essential for maintaining the quiet operation and longevity of high-efficiency outdoor units. Unlike standard motors, its ball-bearing construction and weather-resistant design are built to withstand the demanding conditions of outdoor use.

Key Features and Function:

  • Precision Airflow Management: Variable-speed ECM technology provides optimal airflow control, improving cooling performance and system energy savings.
  • Genuine OEM Reliability: Exact factory-authorized replacement ensures proper fitment and performance without modification.
  • Quiet & Durable Operation: Features a ball-bearing design for smooth, quiet rotation and a long service life in harsh environments.
  • Direct-Fit Plug-and-Play: Designed for straightforward installation with a thru-bolt mounting system for compatible condenser units.

Product Details and Key Specifications:

  • Part Number: 51-102728-21
  • Manufacturer: Rheem / Ruud (PROTECH™ Genuine OEM)
  • Part Type: ECM Outdoor Condenser Fan Motor
  • Voltage: 208-230V
  • HP / RPM: 1/3 HP @ 767 RPM
  • Phase / Hertz: Single-phase (1PH) / 50/60 Hz
  • Rotation: Counter-Clockwise (CCW)
  • Shipping Weight: 12.22 lbs

🛠️ HVAC Depot Pro Tip: Secure the Signal

When installing this ECM motor, ensure the low-voltage communication harness is fully seated and free of corrosion. A weak or intermittent signal from the control board can cause erratic motor behavior or failure to start. Always check that the fan blade is properly balanced and secured to the shaft to prevent premature bearing wear caused by vibration.

Cross-Reference & Compatibility:

The 51-102728-21 is a direct OEM replacement for the following part numbers:

  • OEM Numbers: 5110272821, 662766555561
  • Equivalent Numbers: 5SME39HL, RUU 5110272821

Extensive Model Compatibility List:

  • RA16 Series: RA1636AJ1NB, RA1636AJ1NA, RA1636AC1NB, RA1642AC1NB, RA1648AC1NB, RA1660AC1NB
  • UAPL Series: UAPL-024JAZ, UAPL-030JAZ, UAPL-036JAZ, UAPL-042JAZ, UAPL-048JAZ, UAPL-060JAZ

Specification

Refund policy

Refund & Return Policy

Last Updated: June 2026

At HVAC Parts & Equipment Depot, customer satisfaction is important to us. This Refund & Return Policy explains how returns, exchanges, and refunds are handled for purchases made through TopHVACParts.com.

Return Eligibility

We accept returns within 30 days of delivery.

To qualify for a return:

  • The item must be unused, uninstalled, and in its original condition.
  • The item must be returned in its original packaging.
  • Model numbers and serial numbers must match the original purchase records.
  • Proof of purchase or order confirmation is required.

Non-Returnable Items

The following items are not eligible for return or refund:

  • Installed or used parts.
  • Products showing signs of installation, modification, or damage caused after delivery.
  • Items missing original packaging.
  • Sale or clearance items.
  • Special-order or custom-order products.
  • Returns requested more than 30 days after delivery.

Restocking Fee

Approved returns may be subject to a 20% restocking fee.

The restocking fee will be deducted from the refund amount after the returned item has been inspected and approved.

Damaged, Defective, or Incorrect Items

If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery.

Email: support@tophvacparts.com
Phone: (214) 734-5222

We may request photographs and additional information to help process your claim.

If the claim is approved, we will provide a replacement, exchange, or refund at no additional cost to you.

Exchanges

We replace items only if they are defective, damaged upon arrival, or incorrectly shipped.

To request an exchange, contact us at:

support@tophvacparts.com

Refund Process

Once your return is received and inspected, we will notify you by email regarding approval or rejection of your refund request.

If approved:

  • Refunds will be issued to the original payment method.
  • Processing typically takes 7–14 business days after approval.
  • Your financial institution may require additional time before the refund appears in your account.

Return Shipping

Customers are responsible for return shipping costs unless the return is the result of:

  • Our shipping error,
  • A defective product,
  • A damaged product received upon delivery.

Original shipping charges are non-refundable.

We recommend using a trackable shipping service and purchasing shipping insurance for higher-value items.

Return Address

HVAC Parts & Equipment Depot
1135 E Plano Parkway, Suite 8
Plano, TX 75074
United States

Professional Installation Notice

Many HVAC products require installation by a licensed HVAC professional.

HVAC Parts & Equipment Depot is not responsible for damages resulting from improper installation, misuse, unauthorized modifications, or failure to follow manufacturer instructions.

Special Orders

Special-order products must be picked up within 30 days of purchase unless other arrangements have been approved.

Unclaimed special-order products may be returned to the manufacturer and may be subject to applicable restocking fees.

Contact Us

If you have questions regarding returns, refunds, or exchanges, please contact us:

HVAC Parts & Equipment Depot

Phone: (214) 734-5222
Email: support@tophvacparts.com

Michel & Siso are very knowledgeable and explain everything to where I could understand! Amazing experience! Thank you will always come here for any AC needs. Trustworthy and excellent customer service.

Celest G.
Verified Customer
View full details

Happy Shouts From Our Thrilled Customers

YOU MAY ALSO LIKE

Explore More Products

HVAC Parts and Equipment Depot

Frequently Asked Questions

Questions? We’ve got you covered

We are open to the public! Homeowners, landlords, and DIYers are all welcome—no license required.

We carry blower motors, fan motors, capacitors, control boards, contactors, thermostats, filters, copper lines, refrigerants, and more.

Yes, we stock OEM and compatible replacement parts for major brands including Trane, Goodman, Lennox, Carrier, Rheem, and others.

Absolutely! Bring in the part, model number, or a picture, and our team will help match you with the correct replacement.

Yes, we accept returns or exchanges within a set time period—just make sure the item is unused and in original packaging. Ask for specific terms at the counter.

While we don't install, we can answer basic questions and refer you to trusted local HVAC technicians if needed.

We sell certain refrigerants, but EPA regulations require certification for purchase of products like R-410A or R-22.

We offer both! You can shop in person or call to arrange shipping if you're out of town.