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Rheem 51-106546-00 Genuine OEM SelecTech Gen 3 Blank ECM Motor 3/4 HP 230V

Rheem 51-106546-00 Genuine OEM SelecTech Gen 3 Blank ECM Motor 3/4 HP 230V

Low stock: 1 left

Regular price $515.00 USD
Regular price Sale price $515.00 USD
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Key Features & Specifications

  • Genuine OEM SelecTech Gen 3 3/4 HP ECM Blower Motor.

  • High-efficiency 208-230V variable speed hardware.

  • Motor platform ready for model-specific programming.

  • Significant energy savings with constant CFM airflow technology.

  • Soft-start operation for reduced noise and equipment longevity.

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Specifications

Product Details and Key Specifications:

  • Part Number: 51-106546-00
  • Manufacturer: Rheem / Ruud (PROTECH™ Genuine OEM)
  • Part Type: SelecTech Gen 3 ECM Motor (Blank)
  • Horsepower: 3/4 HP
  • Voltage: 208-230 VAC
  • Phase / Hertz: Single-phase (1PH) / 50/60 Hz
  • Frame Size: 48 Frame
  • Note: This is a "Blank" motor and requires programming for specific model compatibility.
  • Shipping Weight: 14.85 lbs

description

PROTECH™ 51-106546-00 Genuine OEM SelecTech Gen 3 Blank ECM Motor 3/4 HP 230V

The PROTECH™ 51-106546-00 is a high-efficiency Genuine OEM SelecTech Gen 3 ECM (Electronically Commutated Motor) designed for Rheem, Ruud, and WeatherKing air handlers and furnaces. As a "Blank" Gen 3 motor, this unit serves as a universal hardware platform that provides the advanced variable-speed torque and airflow management necessary for high-efficiency HVAC systems, ensuring optimal climate control and energy savings.

Technical Performance:

Operating at 208-230V, this 3/4 HP motor utilizes SelecTech’s third-generation brushless DC technology to deliver superior electrical efficiency compared to standard PSC motors. Being a Genuine OEM "Blank" unit, this motor contains the heavy-duty mechanical internal components and the Gen 3 control module hardware, but it requires specific parameter programming (via a Protech programming tool or dealer service) to match the airflow tables of your specific furnace or air handler model. Once programmed, it offers whisper-quiet operation and precise ramp-up speeds that eliminate the "sudden blast" of air associated with older systems.

Key Features and Function:

  • Advanced Variable Speed Control: Once programmed, the ECM technology maintains constant CFM (Cubic Feet per Minute) regardless of static pressure changes or dirty filters.
  • Genuine OEM Gen 3 Hardware: Features the latest SelecTech reliability upgrades, including enhanced moisture protection and transient voltage surge suppression.
  • Superior Energy Efficiency: Reduces electrical consumption by up to 75% in "Fan Only" mode compared to traditional induction motors.
  • Quiet-Start Technology: Soft-start and soft-stop capabilities reduce duct noise and mechanical stress on the blower wheel and motor mounts.

Product Details and Key Specifications:

  • Part Number: 51-106546-00
  • Manufacturer: Rheem / Ruud (PROTECH™ Genuine OEM)
  • Part Type: SelecTech Gen 3 ECM Motor (Blank)
  • Horsepower: 3/4 HP
  • Voltage: 208-230 VAC
  • Phase / Hertz: Single-phase (1PH) / 50/60 Hz
  • Frame Size: 48 Frame
  • Note: This is a "Blank" motor and requires programming for specific model compatibility.
  • Shipping Weight: 14.85 lbs

🛠️ HVAC Depot Pro Tip: The "Blank" Requirement

Because this is a Blank SelecTech motor, it will not operate straight out of the box. It must be programmed with the specific software for your unit's serial and model number. If you are replacing an existing motor, ensure your control harness and 5-pin power plug are free of singe marks or corrosion; a faulty wiring harness is the number one cause of premature ECM module failure. Always verify your system's static pressure after installation to ensure the new motor operates within its design envelope.

Cross-Reference & Compatibility:

The 51-106546-00 is a direct OEM replacement for the following part numbers:

  • OEM Numbers: 51-106546-00, 5110654600
  • Series Compatibility: Designed for use in R96V, R97V, and High-Efficiency Air Handler platforms.

Extensive Model Compatibility List:

  • Air Handlers: RH2V, RH2T, RHMV Series
  • Furnaces: R96V, R97V, R98V, U96V, U97V Series
  • Modulating Units: Compatible with EcoNet enabled modulating gas furnaces.

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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