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When this part stops working, your heating or cooling system will have no airflow, even if the rest of the unit continues to run.
Specifications
- Part number: 60L21
- Brand: Lennox
- Part type: Blower motor
- Phase: 1
- Rpm: 1075
- Voltage: 115V
- HP: must be the same
- Speeds and volts: must be the same
- Frame and rotation: match your old motor
From the maker's and parts sellers' listings for this number. Compare them with the label on your old part.
What the Blower Motor Does
Your system depends on the blower motor to distribute conditioned air. The motor turns a blower wheel inside the air handler or furnace. This forces heated or cooled air into your home duct system.
If the motor burns out, the system will not move air. You may still hear other components engage or call for temperature adjustments, but the vents will remain still.
Understanding the 60L21 Specifications
Every motor has electrical and mechanical ratings listed on its data plate. These ratings indicate the power it needs and how fast it spins.
Matching these details is essential so the new part works properly with your existing equipment controls and wiring.
- Voltage: 115V indicates the line voltage required to operate the motor.
- RPM: 1075 designates the revolutions per minute the shaft spins.
- Phase: 1 identifies it as a single-phase motor designed for standard residential power.
Confirming a Matching Replacement
To find a suitable replacement, verify all key physical and electrical characteristics against your old unit. Never install a motor with mismatched power ratings.
Many newer systems feature ECM variable speed units that are programmed specifically for that equipment. Make sure you match the exact motor type.
- HP: must be the same.
- Speeds and volts: must be the same.
- Frame and rotation: match your old motor.
Signs of Failure and Safe Removal
A motor can fail due to electrical burnout, worn internal components, or seized bearings. If the unit fails to spin, inspect the run capacitor first. A fan that hums but will not spin is often a bad capacitor rather than a failed motor.
If you proceed with replacing the motor, take precautions to wire it properly. Take a photo of every wire before removing the old part. Move the wires one at a time to the identical terminals on the replacement unit.
Read your old part
- Locate the metal data tag on the side of your existing blower motor.
- Wipe away dust or grease to clearly read the stamped information.
- Check the part number field to confirm it shows 60L21.
- Verify the voltage reads 115V, the RPM reads 1075, and the phase reads 1.
When to call a pro
Blower swaps take more steps than most DIY jobs. Disconnects, whips, and surge protectors involve line voltage wiring. Hire a licensed HVAC technician for any step you are not sure you can do safely.
Questions
What does the Lennox 60L21 blower motor do?
It pushes warm or cool air through the ducts of your system. A failed blower results in no airflow, even when the system continues to run.
What are the electrical ratings for the 60L21 motor?
This motor is rated for 115V and operates on 1 phase. It runs at a speed of 1075 RPM.
Why does my fan hum without spinning?
A fan that hums but will not spin is often caused by a bad capacitor, not a bad motor. A capacitor can hold a charge with the power off and must be safely discharged with an insulated tool before handling.
What should I check before installing a replacement blower motor?
The horsepower, speeds, and volts must be the same as your old motor. You must also match the frame size and direction of rotation.
Related part numbers
- 0131F00038SBlower Motor, GoodmanSame part type
- 1066421Blower Motor Reference, TempstarSame part type
- 89M83Capacitor, LennoxSame brand
- 24L8501Control Board, LennoxSame brand
- 0131F00041SBlower Motor, GoodmanSame part type
- 1009052Blower Motor, ComfortmakerSame part type
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