Rheem-Ruud 51-102728-25 Outdoor ECM Motor is a replacement motor designed for compatible Rheem-Ruud outdoor air conditioning and heat pump condenser units. It drives the condenser fan to circulate air across the outdoor coil, helping remove or absorb heat during system operation. The ECM design supports efficient motor performance and precise airflow control. Suitable for HVAC repair ... https://www.partshnc.com/51-102728-25-rheem-ruud-outdoor-ecm-motor