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Rheem PROTECH™ 51-100998-31 Condenser Motor – 1/3 HP 460V 1075 RPM Single Speed Genuine OEM Replacement

Rheem PROTECH™ 51-100998-31 Condenser Motor – 1/3 HP 460V 1075 RPM Single Speed Genuine OEM Replacement

Low stock: 1 left

Regular price $398.74 USD
Regular price Sale price $398.74 USD
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Key Features & Specifications

  • Genuine OEM Rheem PROTECH™ condenser fan motor

  • 1/3 HP heavy-duty commercial HVAC motor

  • 460 Volt single-phase operation at 1075 RPM

  • Designed for reliable condenser airflow and compressor protection

  • Direct-fit replacement for Rheem and Ruud HVAC systems

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Specifications

Product Details and Key Specifications:

Part Number: 51-100998-31
Manufacturer: Rheem PROTECH™ (Genuine OEM)
Part Type: Condenser Fan Motor
Horsepower: 1/3 HP
Voltage: 460V
Phase / Hertz: Single Phase (1PH) / 60 Hz
Speed: 1 Speed
RPM: 1075 RPM
Application: Condenser Fan / Heat Rejection
OEM Brand Compatibility: Rheem / Ruud
Motor Duty: Continuous Duty HVAC Operation
Shipping Weight: Approx. 12 lbs

description

Rheem PROTECH™ 51-100998-31 Condenser Motor – 1/3 HP 460V 1075 RPM Single Speed Genuine OEM Replacement

The Rheem PROTECH™ 51-100998-31 Condenser Fan Motor is a genuine OEM replacement motor engineered for Rheem and Ruud commercial HVAC condensing units and rooftop systems. Designed to maintain proper condenser airflow, this motor plays a critical role in heat rejection, system efficiency, compressor protection, and reliable cooling performance.

Built for demanding HVAC applications, the 51-100998-31 features a 1/3 HP heavy-duty design operating at 460V with a precise 1075 RPM single-speed configuration. As a Genuine OEM Rheem PROTECH™ component, it ensures exact electrical compatibility, correct shaft alignment, reduced vibration, and dependable long-term operation compared to universal aftermarket substitutes.


Key Features and Function:

High-Efficiency Condenser Airflow Management – Maintains proper airflow across condenser coils for efficient system cooling and compressor protection.

Genuine OEM Rheem PROTECH™ Reliability – Engineered specifically for Rheem/Ruud HVAC systems for precise fitment and dependable performance.

Heavy-Duty Commercial Motor Construction – Designed for continuous-duty condenser applications in demanding environments.

Direct OEM Electrical Compatibility – Matches factory voltage, RPM, and amp requirements to reduce startup issues and vibration.


Product Details and Key Specifications:

Part Number: 51-100998-31
Manufacturer: Rheem PROTECH™ (Genuine OEM)
Part Type: Condenser Fan Motor
Horsepower: 1/3 HP
Voltage: 460V
Phase / Hertz: Single Phase (1PH) / 60 Hz
Speed: 1 Speed
RPM: 1075 RPM
Application: Condenser Fan / Heat Rejection
OEM Brand Compatibility: Rheem / Ruud
Motor Duty: Continuous Duty HVAC Operation
Shipping Weight: Approx. 12 lbs


🛠️ HVAC Depot Pro Tip: Verify Capacitor & Blade Condition

Whenever replacing a condenser fan motor, always inspect the run capacitor and condenser fan blade for wear or imbalance. A weak capacitor or damaged blade can cause overheating, excessive amperage draw, vibration, and premature motor failure even with a brand-new OEM motor installed.


Cross-Reference & Compatibility:

The Rheem PROTECH™ 51-100998-31 is a direct OEM replacement for the following part numbers:

OEM Numbers:

  • 51-100998-31

Associated OEM Brands:

  • Rheem
  • Ruud
  • PROTECH™

Aftermarket Cross References:

  • Mars
  • Century
  • Genteq
  • Fasco
    (Verify voltage, shaft size, and rotation before aftermarket substitution.)

Extensive Model Compatibility List:

Compatible with select Rheem and Ruud commercial HVAC systems including condenser units, package units, and rooftop systems.

Rheem Commercial Series:

• RAKA Series
• RAKA-A Series
• RAKA-B Series
• RAKA-C Series
• RACC Series
• RGEA Series
• RGEC Series
• RKKA Series
• RKKB Series
• RLKA Series
• RPKA Series
• RQPM Series
• RQRM Series

Ruud Commercial Series:

• UAKA Series
• UACC Series
• UGEC Series
• UKKA Series
• ULKA Series
• UPKA Series
• UQPM Series

(Always verify motor specifications, shaft dimensions, and original part number before ordering.)

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
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