Condenser Fan Motor – 1/3 HP, 208-230V, 1075 RPM | OEM Replacement for Lennox 104607-01, 14Y65, 79J81 & 79J8101 NBK-21257

The NBK-21257 Condenser Fan Motor is a premium aftermarket replacement designed for residential and light commercial air conditioning condensers, heat pumps, and outdoor condensing units. Built for dependable performance and long service life, this 1/3 HP, 208-230 Volt, 1075 RPM permanent split capacitor (PSC) motor helps restore proper condenser airflow while improving system efficiency and reliability.

Engineered as a direct replacement for several popular Lennox condenser fan motors, the NBK-21257 is manufactured to meet or exceed OEM performance standards. Whether you're replacing a failed condenser fan motor or performing preventative maintenance, this motor provides dependable operation and quiet performance in demanding HVAC applications.

Direct Replacement for:

• Lennox 104607-01
• Lennox 14Y65
• Lennox 79J81
• Lennox 79J8101

Key Features

• Premium aftermarket condenser fan motor for residential and light commercial HVAC systems.
• Direct replacement for select Lennox® condenser fan motors.
• 1/3 HP PSC motor delivers dependable starting torque and efficient operation.
• Designed for outdoor condensers, heat pumps, and refrigeration condensing units.
• Precision-balanced rotor helps minimize vibration and operating noise.
• Heavy-duty construction for long service life.
• Manufactured to meet or exceed OEM performance specifications.

Specifications

• Part Number: NBK-21257
• Motor Type: Condenser Fan Motor
• Horsepower: 1/3 HP
• Voltage: 208-230 VAC
• Frequency: 60 Hz
• Speed: 1075 RPM
• Phase: Single Phase
• Motor Type: Permanent Split Capacitor (PSC)
• Application: Air Conditioner Condenser / Heat Pump Condenser

Compatible Equipment Brands

Compatible with select equipment manufactured by:

• Lennox
• Armstrong Air
• Ducane
• AirEase
• Concord
• Allied Air Enterprises

OEM Cross Reference Numbers

Lennox 104607-01 • Lennox 14Y65 • Lennox 79J81 • Lennox 79J8101

Important Note

Please verify your original motor's horsepower, voltage, RPM, rotation, frame size, shaft dimensions, capacitor requirements, and mounting configuration before ordering. Matching these specifications ensures proper airflow, maximum efficiency, and reliable operation.

Why Choose NBK Replacement Motors?

NBK HVAC replacement motors are engineered to deliver OEM-quality performance at an exceptional value. Built with premium materials and precision manufacturing, NBK motors provide dependable airflow, quiet operation, and long-lasting durability for residential and commercial HVAC systems. HVAC professionals and homeowners alike trust NBK motors for reliable replacement performance.