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 81W78 3HP Motor For Mounting Plate

Rating:
5 5 1
1  Review Add Your Review
Special Price $174.17 Regular Price $282.95
In stock
SKU
81W78
The Lennox 81W78 Motor Mounting Plate is used to hold and place a drive in the assemblies of the mechanical equipment in HVAC systems. It fits a motor that is rated to 3 horsepower with the blower or drive system attached to it to ensure the shaft is properly positioned and remains mechanically stable when used in HVAC systems. It was provided to enable the drive to be mounted on the equipment frame and motor housing to create a stiff bond between the motor and the structure.
Add to Wish List
Motors & Capacitors, Motors & Components
Manufacturer:
https://www.partshnc.com/media/catalog/product/8/1/81w78.jpg
Write Your Own Review
You're reviewing:Lennox 81W78 3HP Motor For Mounting Plate
Your Rating
Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 81W78 Motor?

Regularly inspect the motor for dust buildup and wear. Lubricate bearings as recommended and check mounting stability. Ensuring proper electrical connections and keeping the area clean prevents overheating and vibration issues, enhancing safe operation.

What are common issues with the Lennox 81W78 Motor?

  • Overheating due to dust or poor ventilation.
  • Bearing noise or failure.
  • Vibration or misalignment.
  • Inconsistent motor speed or performance.

Installation Steps

Step 1: Turn off power and lock out the electrical supply.

Step 2: Remove the old motor from the mounting plate.

Step 3: Place the new motor onto the mounting plate and align shaft and bolt holes.

Step 4: Secure with mounting bolts and tighten evenly.

Step 5: Reconnect wiring according to the schematic.

Step 6: Restore power and test operation.