What HP motor do I need for my Lennox unit?

The correct replacement for Lennox model OEM Lennox Draft Inducer Blower Motor — 36G31 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Lennox equipment which lists the model number OEM Lennox Draft Inducer Blower Motor — 36G31.

My AC fan is not spinning. What part do I need?

A fan that does not spin, spins slowly, or makes grinding or squealing noises needs a new motor. Grinding means the bearings have failed. Squealing means the bearings are dry. No spin with a humming sound means the capacitor may be the issue. Check the motor capacitor before replacing the entire motor.

Lennox

OEM Lennox Draft Inducer Blower Motor — 36G31

Name: OEM Lennox Draft Inducer Blower Motor — 36G31
Brand: Lennox
SKU: LNX-36G31
Price: 159.95 USD
Availability: InStock

SKU: LNX-36G31 Brand: Lennox

$159.95 $219.95

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The genuine OEM Lennox 36G31 draft inducer blower motor powers the inducer fan that evacuates combustion byproducts from the heat exchanger and vents them out the flue. This motor establishes the negative draft that closes the pressure switch, allowing the ignition sequence to begin. Built to Lennox factory specifications, the 36G31 delivers the exact RPM and airflow your furnace requires for safe, efficient operation.

Common failure symptoms: When the 36G31 begins to fail, you may notice the furnace failing to ignite, repeated pressure-switch lockouts, excessive noise or vibration during startup, an inducer that spins slowly, or no inducer movement at all. Bad bearings and burned-out windings are the usual culprits.

Why OEM matters: Your Lennox furnace's safety controls are calibrated to a specific draft profile. A non-OEM substitute can throw off pressure-switch operation and lead to short cycling, error codes, or compromised combustion safety. Choosing the authentic Lennox 36G31 ensures a bolt-in fit, correct draft performance, and reliable compatibility with your Lennox system.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

OEM Lennox Draft Inducer Blower ...

$159.95

Frequently Asked Questions

Does this Fan Motor fit my Lennox OEM Lennox Draft Inducer Blower Motor — 36G31?

Yes. This is the factory-specified OEM fan motor for the Lennox OEM Lennox Draft Inducer Blower Motor — 36G31. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the fan motor on my Lennox OEM Lennox Draft Inducer Blower Motor — 36G31?

Difficulty: Medium-Hard (1–2 hrs)
Step 1: Turn off breaker. Step 2: Note motor specs: HP, RPM, voltage, rotation direction. Step 3: Remove old motor from mounting. Step 4: Transfer fan blade to new motor. Step 5: Mount new motor, reconnect wiring. Step 6: Restore power, verify rotation direction.

My AC fan isn’t spinning. What part do I need?

Fan not spinning, spinning slowly, or making grinding/squealing noises = motor failure. Grinding = bearings failed. Squealing = bearings dry. No spin + hum = check the motor capacitor first before replacing the entire motor.

Is this fan motor compatible with Bryant or Payne too?

Many Lennox parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Lennox fan motor?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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OEM Lennox Draft Inducer Blower Motor — 36G31

Shipping Information

Return Policy

Frequently Asked Questions