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Rheem-Ruud 51-102870-08 1/5HP CCW ECM Motor 208-230V

Special Price $484.49 Regular Price $537.78
In stock
SKU
51-102870-08
The Rheem-Ruud 51-102870-08 is a high-efficiency ECM, which stands for electronically commutated motor, for optimum performance in HVAC. This motor is of 1/5 HP, has a voltage of 208/230V, and comes with a counter-clockwise (CCW) rotation. This motor is distinguished by ECM technology that provides better energy efficiency in comparison with the other motors. This means that ECM motors run at a slower speed depending on the demand of the system, hence consuming less power while maintaining the same level of efficiency. Specifically utilized in the outdoor condenser section of the air conditioning systems as well as heat pumps, this motor is central to the cooling as well as heating process.
Manufacturer:
https://www.partshnc.com/media/catalog/product/5/1/51-102870-08-rheem-ruud_partshnc.jpg

Specifications

  • Voltage: 208-230V
  • Weight: 10.14lbs
  • Horsepower: 1/5HP
  • Rotation: CCW
  • Phase: 1PH
  • Motor Type: ECM
Manufacturer Name: Rheem-Ruud
Product Number: 51-102870-08
OEM Part Number: 51-102870-08
Product Description: 208-230V 1/5Hp Ccw Ecm Motor
Weight:10.14lbs/4599.42g

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Customer Questions
What maintenance is required for the Rheem-Ruud 51-102870-08 Motor?

Regularly inspect electrical connections and ensure they are tight and free of corrosion. Keep the motor and surrounding area clean to prevent dust buildup. Verify proper airflow and mounting alignment. Avoid moisture exposure and follow manufacturer service guidelines.

What are common issues with the Rheem-Ruud 51-102870-08 Motor?

  • Motor not starting due to control board failure or power supply issues.
  • Intermittent operation from faulty ECM electronics or wiring harness damage.
  • Overheating caused by restricted airflow or load imbalance.
  • Unusual noise or vibration from worn bearings or misalignment.

Installation Steps

Step 1: Turn off power at disconnect and check zero voltage before handling.

Step 2: Remove access panel and label all motor wiring connections carefully.

Step 3: Detach fan blade and mounting bracket, then remove old motor.

Step 4: Install new motor, ensuring correct shaft alignment and secure mounting.

Step 5: Reconnect wiring exactly per diagram and secure all connectors.

Step 6: Reattach fan blade, restore power, and test operation for smooth start, correct rotation, and airflow.