Lennox 74W12 Motor
The Lennox 74W12 Blower Motor is a high-performance direct replacement motor engineered for residential and light commercial HVAC applications. This 1/5 HP 115V blower motor operates as a 4-speed furnace motor, providing the versatility required to tune airflow precisely to system static pressure requirements. As a PSC (Permanent Split Capacitor) motor, the 74W12 is designed for horizontal mounting in Lennox furnace blower assemblies and air handlers, utilizing a standard 48-frame diameter and torsion flex bracket compatibility for a seamless drop-in installation.
Running at a synchronous speed of 1075 RPM with CCW (Counter-Clockwise) rotation, this unit delivers steady, quiet air circulation throughout the ductwork. Technicians will find the 1/2" x 3" shaft size standard for most OEM Lennox HVAC parts, ensuring compatibility with existing blower wheels. By integrating this OEM replacement motor, contractors can restore factory-spec performance, reducing vibration and operational noise that often signal the failure of older, high-mileage induction motors.
- Multi-Speed Flexibility: Features a 4-speed tap configuration for optimized heating and cooling airflow.
- Direct Fit Engineering: Designed specifically to replace Lennox part number 101070-02 without field modifications.
- Reliable Operation: Built with high-quality sleeve bearings and thermal overload protection to prevent winding burnout.
- Broad Compatibility: Fits a wide range of Lennox Elite and Merit series furnaces, including G43UF and EL195 models.
Common Questions
How do I know if my Lennox blower motor is failing?
Common indicators include a persistent humming sound without the fan spinning, weak airflow from registers, or a pungent burning smell from the vents caused by overheating windings. If the capacitor is functional but the motor remains hot to the touch, the 74W12 is the recommended replacement to restore system operation.
Can this motor replace a 3-speed or 2-speed motor?
Yes, provided the voltage (115V) and horsepower (1/5 HP) match. You can simply cap off the unused speed leads using wire nuts to match your existing control board's requirements.
Does this motor include the run capacitor?
This motor requires a 5 MFD 370 VAC capacitor for operation. It is best practice to replace the capacitor whenever installing a new blower motor to ensure electrical timing and torque meet original factory specifications.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $252.91
-65%$252.91
$88.52Lennox 74W12 Motor
The Lennox 74W12 Blower Motor is a high-performance direct replacement motor engineered for residential and light commercial HVAC applications. This 1/5 HP 115V blower motor operates as a 4-speed furnace motor, providing the versatility required to tune airflow precisely to system static pressure requirements. As a PSC (Permanent Split Capacitor) motor, the 74W12 is designed for horizontal mounting in Lennox furnace blower assemblies and air handlers, utilizing a standard 48-frame diameter and torsion flex bracket compatibility for a seamless drop-in installation.
Running at a synchronous speed of 1075 RPM with CCW (Counter-Clockwise) rotation, this unit delivers steady, quiet air circulation throughout the ductwork. Technicians will find the 1/2" x 3" shaft size standard for most OEM Lennox HVAC parts, ensuring compatibility with existing blower wheels. By integrating this OEM replacement motor, contractors can restore factory-spec performance, reducing vibration and operational noise that often signal the failure of older, high-mileage induction motors.
- Multi-Speed Flexibility: Features a 4-speed tap configuration for optimized heating and cooling airflow.
- Direct Fit Engineering: Designed specifically to replace Lennox part number 101070-02 without field modifications.
- Reliable Operation: Built with high-quality sleeve bearings and thermal overload protection to prevent winding burnout.
- Broad Compatibility: Fits a wide range of Lennox Elite and Merit series furnaces, including G43UF and EL195 models.
Common Questions
How do I know if my Lennox blower motor is failing?
Common indicators include a persistent humming sound without the fan spinning, weak airflow from registers, or a pungent burning smell from the vents caused by overheating windings. If the capacitor is functional but the motor remains hot to the touch, the 74W12 is the recommended replacement to restore system operation.
Can this motor replace a 3-speed or 2-speed motor?
Yes, provided the voltage (115V) and horsepower (1/5 HP) match. You can simply cap off the unused speed leads using wire nuts to match your existing control board's requirements.
Does this motor include the run capacitor?
This motor requires a 5 MFD 370 VAC capacitor for operation. It is best practice to replace the capacitor whenever installing a new blower motor to ensure electrical timing and torque meet original factory specifications.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Lennox 74W12 Blower Motor is a high-performance direct replacement motor engineered for residential and light commercial HVAC applications. This 1/5 HP 115V blower motor operates as a 4-speed furnace motor, providing the versatility required to tune airflow precisely to system static pressure requirements. As a PSC (Permanent Split Capacitor) motor, the 74W12 is designed for horizontal mounting in Lennox furnace blower assemblies and air handlers, utilizing a standard 48-frame diameter and torsion flex bracket compatibility for a seamless drop-in installation.
Running at a synchronous speed of 1075 RPM with CCW (Counter-Clockwise) rotation, this unit delivers steady, quiet air circulation throughout the ductwork. Technicians will find the 1/2" x 3" shaft size standard for most OEM Lennox HVAC parts, ensuring compatibility with existing blower wheels. By integrating this OEM replacement motor, contractors can restore factory-spec performance, reducing vibration and operational noise that often signal the failure of older, high-mileage induction motors.
- Multi-Speed Flexibility: Features a 4-speed tap configuration for optimized heating and cooling airflow.
- Direct Fit Engineering: Designed specifically to replace Lennox part number 101070-02 without field modifications.
- Reliable Operation: Built with high-quality sleeve bearings and thermal overload protection to prevent winding burnout.
- Broad Compatibility: Fits a wide range of Lennox Elite and Merit series furnaces, including G43UF and EL195 models.
Common Questions
How do I know if my Lennox blower motor is failing?
Common indicators include a persistent humming sound without the fan spinning, weak airflow from registers, or a pungent burning smell from the vents caused by overheating windings. If the capacitor is functional but the motor remains hot to the touch, the 74W12 is the recommended replacement to restore system operation.
Can this motor replace a 3-speed or 2-speed motor?
Yes, provided the voltage (115V) and horsepower (1/5 HP) match. You can simply cap off the unused speed leads using wire nuts to match your existing control board's requirements.
Does this motor include the run capacitor?
This motor requires a 5 MFD 370 VAC capacitor for operation. It is best practice to replace the capacitor whenever installing a new blower motor to ensure electrical timing and torque meet original factory specifications.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
