Facebook Pixel
Sign-Up Bonus
Get 500 Reward Points instantly when you join.
Redeem Instantly
50 points = $1 off at checkout.
Earn as You Shop
$1 spent = 1 point every time you order.
Member Perks
Unlock exclusive member-only savings and offers.

Register and Earn 500 Reward Points
Toggle Nav
Search
Toggle Nav
Join Our Loyalty Program
main product photo

Lennox 77W92 Damper Actuator Motor 24VAC/VDC 50-60Hz

Be the first to review this product
Special Price $327.87 Regular Price $363.94
In stock
SKU
77W92
The Lennox 77W92 Damper-Actuator Motor is an part of Lennox HVAC-systems. It controls air flow in the entire house by closing and opening the dampers depending on signals from the control-board. This can provide balanced control of air distribution for comfort and possibly enhance system efficacy, by delivering cooled or heated air to the desired locations. The motor runs on a safe voltage of 24V can be used in both 50Hz and 60Hz electrical power supply in HVAC Systems.
Add to Wish List
Motors & Capacitors, Motors & Components
Manufacturer:
https://www.partshnc.com/media/catalog/product/7/7/77w92-lennox_partshnc.jpg

Specifications

  • Weight:1.61lbs
  • Measure:Unit
  • Frequency: 50/60Hz
  • Voltage: 24V
  • Power: 6VA

HVAC damper systems use actuators to move dampers and adjust airflow through connected ducts or equipment. The Lennox 77W92 is a OEM Damper Actuator Motor that converts electrical input into mechanical movement to operate the connected damper. Its movement supports damper positioning according to the requirements of the control system.

Electrical Input and Actuator Operation:
The actuator converts electrical energy into mechanical movement through its internal operating mechanism. This output drives the connected damper mechanism, allowing it to change position. The actuator must receive the electrical input specified for its intended application.

Damper Positioning and Airflow Control:
The actuator moves the connected damper between its intended positions. The damper's position changes the available airflow path through the duct or equipment. The actuator and damper therefore work together to support the system's airflow-control requirements.

Replacement Guidelines:
Replacement may be appropriate when a confirmed actuator fault prevents the damper from reaching its required position or responding correctly to control signals. Before ordering, compare the existing 77W92 part number and verified specifications with the requirements of the intended application.

Common Signs of Wear:

  • Damper fails to move when commanded
  • Slow or inconsistent damper movement
  • Actuator response becomes intermittent
  • Damper remains in one position
  • Unusual clicking, buzzing, or grinding noises

Equipment Compatibility:
The Lennox 77W92 Damper Actuator Motor is intended for compatible HVAC damper-control applications. Verify the actuator part number, electrical requirements, mechanical connection, and equipment documentation before ordering to confirm compatibility.

Technical Specifications:
Product Identification:
Brand: Lennox
Part Number: 77W92
Product Type: Damper Actuator Motor

Electrical:
Voltage: 24VAC/VDC
Frequency: 50–60 Hz

Reviews
Write Your Own Review
You're reviewing:Lennox 77W92 Damper Actuator Motor 24VAC/VDC 50-60Hz
Your Rating
Product Questions (7)
Customer Questions
What maintenance is required for the Lennox 77W92 Actuator Motor?

Regularly inspect the actuator motor for dust, debris, and signs of wear. Ensure connections are secure and lubricate moving parts if recommended. Maintenance prevents performance issues, ensures smooth operation, and avoids motor binding or overheating. Always follow safety protocols when handling electrical components.

What are common issues with the Lennox 77W92 Actuator Motor?

  • Actuator failing to respond to control signals.
  • Sticking or delayed movement of dampers.
  • Electrical connection problems or voltage inconsistencies.
  • Audible grinding or unusual noises during operation.

What does the Lennox 77W92 Damper Actuator Motor do?

It provides the mechanical movement needed to position a connected damper, helping regulate airflow through the associated HVAC system.

How does the 77W92 affect damper positioning?

The actuator converts electrical input into mechanical movement, which drives the damper to its required position according to the control arrangement.

What does the 24VAC/VDC rating mean?

It indicates that the listed electrical supply may be 24 volts AC or DC, subject to the actuator's specified operating requirements and wiring instructions.

What is the relationship between the actuator and the damper?

The actuator supplies the movement, while the damper changes position to regulate the airflow path through the connected system.

How can I verify the correct replacement for the 77W92?

Compare the existing part number, actuator configuration, electrical requirements, mechanical connection, and equipment parts documentation before ordering. Verify whether model/part number 102691-03 is associated with the required component before using it for identification.

Installation Steps

Step 1: Turn off power to the HVAC system to ensure safety.

Step 2: Locate the existing damper actuator on the duct system.

Step 3: Remove the old actuator by disconnecting wiring and mounting screws.

Step 4: Mount the actuator securely onto the damper shaft.

Step 5: Connect the wiring according to the manufacturer’s diagram.

Step 6: Restore power and test operation to confirm proper movement.