Nordyne Condenser Fan Motor 621720

Nordyne / Miller / Nortek 621720 Condenser Fan Motor | 1/8 HP OEM

The Nordyne 621720 is a genuine factory-authorized condenser fan motor designed for residential outdoor air conditioning and heat pump units. As an Original Equipment Manufacturer (OEM) component, it is engineered to the precise specifications required to maintain the airflow and head pressure necessary for efficient refrigerant cooling.

This motor features a 48Y frame design with a durable weather-resistant housing, ensuring long-term operation in harsh outdoor environments. Unlike universal aftermarket motors that may require bracket modifications, this Original Nortek-Nordyne part is a direct-fit replacement for numerous legacy models.

Compatibility & Cross-Reference

The 621720 is the manufacturer-designated current standard for several obsolete or specific model part numbers:

• Directly Replaces P/Ns: 621300, 620863, and 621720R.
• Legacy Model Replaces: GE 5KCP39CGT447, 5KCP39CGT447S, and Emerson Y75623B55.
• Equipment Series: Commonly used in Q3RC series single-packaged units and split-system condensers.

• Broad Brand Support: Compatible with equipment branded as Nordyne, Intertherm, Miller, Gibson, Frigidaire, Maytag, White-Westinghouse, Tappan, Kelvinator, GrandAire, Thermal Zone, Philco, and Mammoth.

   

Technical Specifications

Why Choose a Genuine Nortek OEM Motor?

• Precision Performance: Rated at 1100 RPM, this motor matches the factory-calibrated fan blade pitch of your unit, ensuring the compressor does not overheat due to insufficient airflow.
• Direct Electrical Match: Specifically designed to run on 208/230V, this motor is optimized for the electrical sequencing of Nortek control boards, preventing the nuisance trips common with universal motors.
• Integrated Reliability: Features high-quality internal bearings designed for the "shaft-up" or "shaft-down" orientations typical in residential condensing units.
• Safety & Standards: UL recognized and CSA certified, meeting all North American safety standards for HVAC primary electrical components.

Shipping & Order Details

• Continental US Shipping: We offer reliable shipping rates for all orders delivered within the Continental United States.
• Authenticity: This is a brand-new, genuine Nordyne-Nortek part in original factory packaging. We prioritize OEM parts over the aftermarket alternatives often listed online.