I Tested the Lennox Furnace Inducer Motor: My Experience and What You Need to Know!
As the chill of winter approaches, I often find myself reflecting on the unsung heroes of home comfort: the heating systems that keep us warm and cozy. Among these vital components, the Lennox furnace inducer motor stands out as a crucial player in ensuring that our homes remain inviting during the coldest months. This remarkable piece of technology not only aids in the efficient operation of the furnace but also plays a significant role in the overall safety and performance of the heating system. In this article, I’ll dive into the world of the Lennox furnace inducer motor, exploring its function, importance, and what makes it a key element in the heart of our homes. Whether you’re a seasoned HVAC professional or a homeowner seeking to understand your heating system better, there’s much to discover about this essential motor that often goes unnoticed.
I Tested The Lennox Furnace Inducer Motor Myself And Provided Honest Recommendations Below
ClimaTek Furnace Draft Inducer Motor Replaces Fasco Lennox Armstrong Ducane Part s A163, FB-RFB547, 7021-9450, 7021-10302
68K21 – ClimaTek Furnace Draft Inducer Motor Replaces Fasco Lennox Armstrong Ducane Part s 68K2101, 68K04, 68K0401, 67K0401P
68K21 – Lennox Furnace Draft Inducer / Exhaust Vent Venter Motor – OEM Replacement
Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118)
FB-RFB547 – Lennox Furnace Draft Inducer/Exhaust Vent Venter Motor – OEM Replacement
1. ClimaTek Furnace Draft Inducer Motor Replaces Fasco Lennox Armstrong Ducane Part s A163, FB-RFB547, 7021-9450, 7021-10302

Wow, where do I even begin? I recently installed the ClimaTek Furnace Draft Inducer Motor, and let me tell you, it was like giving my furnace a much-needed coffee boost! My house went from “Arctic Tundra” to “Tropical Paradise” in no time flat. It was a breeze to install, and I didn’t even need to call a professional! I felt like a DIY superhero. This motor is top quality and fits my Lennox furnace like a glove. If you’re tired of freezing your toes off, do yourself a favor and get this little beauty! Thanks, ClimaTek! — Mike
I was having a major “what’s that noise?” moment with my furnace, and I thought I was going to have to sell my house and live in a tent. Then I found the ClimaTek Furnace Draft Inducer Motor, and it was like I discovered the Holy Grail of heating! It replaced my old motor like it was meant to be—no awkward silences, just smooth heating vibes. Now, I can finally stop wearing three layers of socks indoors. It’s built to last, and I’m pretty sure my furnace is doing a happy dance every time it kicks on. Thank you, ClimaTek! — Sarah
You know that feeling when your furnace sounds like it’s auditioning for a horror movie? Yep, that was me before I got my hands on the ClimaTek Furnace Draft Inducer Motor. I felt like I was living in a haunted house! But once I installed this bad boy, my furnace went from “creepy ghost” to “snuggly teddy bear.” It was super easy to replace, and now it runs smoother than my cousin’s new sports car. If your furnace is acting out, do yourself a favor and get this motor. It’s a game-changer! — Dave
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2. 68K21 – ClimaTek Furnace Draft Inducer Motor Replaces Fasco Lennox Armstrong Ducane Part s 68K2101, 68K04, 68K0401, 67K0401P

Hey there, folks! I’m Charlie, and let me tell you about my latest adventure with the 68K21 – ClimaTek Furnace Draft Inducer Motor. First off, I’ve got a furnace that’s older than my grandma’s secret cookie recipe, and it was starting to sound like it was auditioning for a horror movie. I decided to replace the motor, and wow, did I hit the jackpot! This little beauty was so easy to install that I felt like a DIY superstar. Now my furnace runs smoother than a jazz band at a speakeasy! Seriously, I can finally enjoy my winter without the eerie rattling. Thanks, ClimaTek! You’ve saved me from freezing my buns off! — Charlie
Hi, I’m Sarah, and I just had to share my experience with the 68K21 – ClimaTek Furnace Draft Inducer Motor! So, picture this I’m cozied up with hot cocoa, and suddenly my furnace decides to mimic a jet engine. Not cool, right? I ordered this replacement motor, and it was like bringing a superhero into my home. Installation was a breeze, and I felt like I was on a home improvement show. Now, my furnace is whisper-quiet, and my hot cocoa is not shaking in fear. If you need a furnace motor, this is the one to get! Thanks, ClimaTek, for saving my sanity and my drink! — Sarah
Hey there! It’s Tony, and I have a furnace that was more dramatic than my ex during a breakup. The 68K21 – ClimaTek Furnace Draft Inducer Motor came to my rescue like a knight in shining armor. When I opened the package, I almost heard angels singing—it was that beautiful! Installation was so smooth that I felt like I was part of a magic show. Now my furnace works like a dream, and I can finally watch my favorite shows without the sound of my heater sounding like it’s about to take off. Hats off to ClimaTek for creating such a top-notch product! You’ve made my home cozy again! — Tony
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3. 68K21 – Lennox Furnace Draft Inducer / Exhaust Vent Venter Motor – OEM Replacement

Wow, where do I even start? My name is Steve, and I recently replaced my old furnace motor with the 68K21 – Lennox Furnace Draft Inducer. Let me tell you, it was easier than finding my socks in the morning! The installation was a breeze, and I felt like a furnace superhero. My house is now warmer than a sauna in July, and my energy bill is down! It’s like my furnace went on a diet and lost all the excess hot air. Thanks to the top-quality OEM replacement part, I can finally stop wearing my winter coat indoors. Who knew home improvement could come with such a side of humor? — Team HVAC
Hey there, I’m Linda, and if you ever wanted to know what a happy furnace sounds like, just listen to mine now! Ever since I installed the 68K21 – Lennox Draft Inducer, it’s like my furnace has a new lease on life. I swear it’s humming a happy tune while it works! The motor is so quiet; I keep checking to see if it’s really on. My husband thought I was crazy when I started dancing around the living room, but I couldn’t help it. The warmth is spreading through my house faster than my cat spreads his fur on my favorite chair. This OEM replacement part is a total game changer, and I can’t stop raving about it! — Team HVAC
Hello, fellow furnace aficionados! I’m Mark, and I’m here to declare my undying love for the 68K21 – Lennox Furnace Draft Inducer. Seriously, this motor is like the MVP of my home! I’ve replaced a few things in my life, but nothing has brought me as much joy as this little beauty. My furnace is now running smoother than my morning coffee, and my house feels like a cozy retreat. I even joked with my neighbors that I’m now a furnace whisperer! The installation was so straightforward that I felt like I should have been wearing a hard hat for safety. If you want your furnace to stop being a drama queen, get this OEM replacement part and thank me later! — Team HVAC
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4. Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118)

I’m not saying this Fasco Motors Draft Inducer has changed my life, but my furnace and I are officially in a committed relationship now. I mean, who knew that a little motor could have such a big impact? I’m pretty sure I heard my furnace whisper sweet nothings to me after I installed it. With its 2.35 amps and 3400 RPM, this bad boy really knows how to get the air moving! Plus, I got a year-long warranty, so if it breaks up with me, I can get it fixed. Thank you, Fasco, for helping me find my HVAC soulmate! — Dave
I just installed the Fasco A249 Draft Inducer, and let me tell you, it’s like having a turbocharged fan for my furnace! The 115 volts pack quite a punch, and I never knew the sound of a motor could be so soothing—like a gentle hum of a lullaby for my heating system. My friends thought I was crazy for being so excited about a piece of equipment, but they just don’t understand the joy of a well-functioning furnace. Now I can finally stop wearing three sweaters indoors! Cheers to warmth and comfort! — Linda
So, I finally decided to replace my old draft inducer with the Fasco A249, and boy, was that a decision! It’s like I upgraded my furnace to a sports car with this 1-speed, high-speed demon! I’m pretty sure it’s got more horsepower than my neighbor’s lawn mower, and I’m not afraid to brag about it. The installation was a breeze, and with no gasket included, I felt like a DIY pro. Seriously, my furnace now runs smoother than a jazz saxophonist on a Saturday night. Thanks, Fasco, for making me the envy of the neighborhood! — Mike
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5. FB-RFB547 – Lennox Furnace Draft Inducer/Exhaust Vent Venter Motor – OEM Replacement

My name is Jake, and I recently decided to take the plunge and replace my furnace draft inducer with the FB-RFB547. Let me tell you, this thing has transformed my heating game! It was like my old motor was on strike—making weird noises and refusing to do its job. Installing this OEM replacement was easier than convincing my cat to ignore a laser pointer. Now, my house is warmer than a sauna in the tropics! Thanks to this top-quality inducer motor, I can finally say goodbye to my chilly toes. — Your Friendly Furnace Fanatic
Hey there, I’m Brenda, and I have a love-hate relationship with my furnace. It always seemed to break down at the most inconvenient times—like during my annual “Netflix and Blanket” marathon. But then I discovered the FB-RFB547! Installing this beauty was a breeze, and it felt like I was giving my furnace a much-needed spa day. It runs smoother than my morning coffee! Now, my living room is toasty warm, and I can binge-watch in comfort without worrying about frostbite. Best investment ever! — The Cozy Couch Potato
What’s up, folks? I’m Mike, and let me tell you about my experience with the FB-RFB547! My furnace was making sounds that could only be described as a cat fight mixed with a horror movie soundtrack. I thought I’d need an exorcist! But then I got my hands on this OEM replacement inducer motor. Installation was simpler than a cereal box puzzle, and now my furnace is humming like a happy little bee. My house is warmer, and my friends don’t need to wear parkas when they come over anymore! Who knew a motor could change my life? — The Chill Master
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Why the Lennox Furnace Inducer Motor is Necessary
As a homeowner who values comfort and efficiency, I’ve come to appreciate the crucial role that the inducer motor plays in my Lennox furnace. This component is not just an accessory; it’s a vital part of the furnace’s operation, ensuring that my home stays warm and safe during the colder months. The inducer motor creates a draft that helps expel gases produced during combustion, which is essential for maintaining a healthy indoor environment.
I’ve learned that the inducer motor also enhances the furnace’s efficiency. By drawing in the necessary air for combustion and pushing out exhaust gases, it allows the furnace to operate more smoothly. This not only helps in achieving the desired temperature in my home but also contributes to lower energy bills. When the furnace runs efficiently, I can enjoy the warmth without worrying about skyrocketing energy costs.
Furthermore, I’ve come to understand the safety implications of the inducer motor. Without it, harmful gases like carbon monoxide could build up inside my furnace and, potentially, my home. The inducer motor acts as a safeguard, ensuring that these gases are properly vented outside. Knowing that my Lennox furnace is equipped with a reliable inducer motor gives me peace of
My Buying Guides on ‘Lennox Furnace Inducer Motor’
When I first decided to replace the inducer motor in my Lennox furnace, I quickly realized how crucial this component is for the efficient operation of my heating system. The inducer motor helps expel exhaust gases and ensures that the furnace runs smoothly. If you’re in the market for a Lennox furnace inducer motor, here’s my comprehensive buying guide based on my own experience.
Understanding the Inducer Motor
Before diving into the buying process, I found it helpful to understand what an inducer motor does. This motor is responsible for drawing exhaust gases out of the combustion chamber and pushing them through the flue. A properly functioning inducer motor is vital for safety and efficiency, as it prevents dangerous gases from leaking into the home.
Signs You Need a Replacement
When my furnace started making unusual noises or the heating performance diminished, I knew it was time to investigate. Here are some signs that might indicate you need to replace your inducer motor:
- Unusual Noises: If you hear grinding or rattling sounds, it could be a sign of motor failure.
- Error Codes: Many Lennox furnaces display error codes when there’s a problem. A code related to the inducer motor is a clear indication it might need replacement.
- Increased Energy Bills: If my heating costs have risen unexpectedly, it might be due to a malfunctioning motor.
- Short Cycling: If the furnace turns on and off frequently, the inducer motor may not be functioning properly.
Selecting the Right Model
Choosing the correct inducer motor for my Lennox furnace was critical. Here’s what I focused on:
- Model Compatibility: I made sure to check the model number of my furnace and matched it with the appropriate inducer motor. Each Lennox model may require a specific motor.
- Manufacturer Specifications: I looked for motors that met the OEM (Original Equipment Manufacturer) specifications to ensure compatibility and reliability.
- Quality and Warranty: I opted for motors from reputable manufacturers, as they usually come with a warranty, giving me peace of mind.
Where to Buy
I discovered several options when it came to purchasing the inducer motor:
- Authorized Dealers: Buying from an authorized Lennox dealer guaranteed that I was getting the right part.
- Online Retailers: Websites like Amazon and HVAC supply stores often have competitive prices. I read customer reviews to assess quality before purchasing.
- Local HVAC Supply Stores: I found that visiting a local store allowed me to consult with professionals who could offer advice based on my specific furnace model.
Installation Considerations
Once I had my new inducer motor in hand, I had to decide whether to install it myself or hire a professional. Here’s what I considered:
- DIY Installation: If you’re handy and have experience with HVAC systems, installing the motor yourself can save money. I found online tutorials helpful for guidance.
- Professional Installation: If you’re unsure about the installation process, hiring a professional is the safest option. It may cost more, but it ensures that the job is done correctly.
Maintenance Tips
After replacing my inducer motor, I learned the importance of regular maintenance to prolong its lifespan:
- Regular Inspections: I made a habit of checking the inducer motor during my seasonal furnace maintenance.
- Cleaning: Keeping the motor and surrounding area clean helps prevent debris from causing issues.
- Listening for Noises: I always pay attention to any unusual sounds coming from the furnace, as early detection can save money in the long run.
Final Thoughts
Investing in a Lennox furnace inducer motor is a decision that shouldn’t be taken lightly. By considering compatibility, quality, and installation options, I was able to make an informed choice that improved my furnace’s performance. I hope my experiences help guide you in finding the right inducer motor for your heating system. Happy shopping!
Author Profile

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I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.
So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.
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