Nordyne Condenser Fan Motor 621721

Nordyne / Miller / Nortek 621721 Condenser Fan Motor | 1/4 HP OEM

The Nordyne 621721 is a genuine factory-authorized condenser fan motor designed for residential and light commercial outdoor cooling units. As an Original Equipment Manufacturer (OEM) component, it is engineered to the exact torque and airflow specifications required to maintain proper head pressure in your air conditioner or heat pump.

This high-performance 1/4 HP motor features a 48Y frame with a totally enclosed, ventilated (TEAO) design to protect internal components from rain and debris. Unlike universal motors, this genuine Nortek part ensures that the motor's amperage draw remains within the factory-intended range for your control board.

Compatibility & Cross-Reference

The 621721 serves as the manufacturer-designated replacement for several legacy and specific production part numbers:

  • Directly Replaces Part Numbers: 621721R, 621926.
  • Manufacturer Reference: Official replacement for GE/Genteq 5KCP39CGT447S and Emerson Y7S623B85.
  • Equipment Series: Commonly found in CKL, CPN, and CNB series condensing units (2–5 ton).
  • Broad Brand Support: Compatible with equipment branded as Nordyne, Intertherm, Miller, Gibson, Frigidaire, Maytag, Westinghouse, Tappan, Kelvinator, GrandAire, and Philco.

Technical Specifications

FeatureDetail
Part Number621721
Horsepower1/4 HP
RPM1100 RPM
Voltage208 - 230 VAC
Phase1 PH (Single-Phase)
RotationCWLE (Clockwise Lead End)
Frame48Y

Why Choose a Genuine Nortek OEM Motor?

  • Optimized Thermal Management: Rated for continuous duty, this motor is designed to operate efficiently even in high-ambient outdoor temperatures (up to 140°F) without tripping internal thermal overloads.
  • Direct Lead-End Match: Features the factory-correct CWLE rotation and wire harness length, allowing for a "plug-and-play" installation into existing Nordyne control boxes.
  • Whisper-Quiet Operation: Built with precision-aligned sleeve bearings and a balanced rotor to eliminate the "hum" and vibration often associated with lower-quality aftermarket motors.
  • System Efficiency: By maintaining the exact 1100 RPM required by your fan blade's pitch, this motor ensures your compressor stays cool, preventing high-pressure lockouts during peak summer heat.

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 strongly recommend OEM motors over "universal" substitutes to maintain system safety and warranty.

$268.00

Add to Cart:
  • Model: 621721
  • Manufactured by: Nordyne
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