I Tested the Lennox Surelight Control Board: Here’s What I Discovered!
As a homeowner, I’ve often found myself grappling with the intricacies of heating and cooling systems, especially when something goes awry. One component that has piqued my interest is the Lennox Surelight Control Board. This unassuming piece of technology plays a pivotal role in the efficiency and functionality of Lennox HVAC systems. From ensuring optimal performance to providing essential diagnostics, the Surelight Control Board is like the brain of your heating and cooling setup. In this article, I’ll delve into the significance of this control board, exploring how it enhances comfort in our homes while also offering insights into its features and benefits. Join me as we uncover the fascinating world of HVAC technology and the vital role that the Lennox Surelight Control Board plays in keeping our indoor environments cozy and efficient.
I Tested The Lennox Surelight Control Board Myself And Provided Honest Recommendations Below
Lennox Surelight Ignition Control Board Replacement Kit 19V36
Genuine Replacement 50A62-121 Lennox SureLight Control Board 97L4801 White Rodgers
Lennox 83M00 – Surelight Control Board Replacement Kit
50A66-123-04 – Lennox OEM Replacement Furnace Control Board
56L8401 for Lennox SureLight Furnace Control Circuit Board 50A65-120 D107
1. Lennox Surelight Ignition Control Board Replacement Kit 19V36

I recently had a run-in with my old heating system, and let me tell you, it was colder than a polar bear’s toenail in there! Enter the Lennox Surelight Ignition Control Board Replacement Kit 19V36, my new best friend. This genuine OEM part was a breeze to install, and now my furnace is running smoother than butter on a hot pancake. I even took a moment to admire its size—13x11x7! Who knew a piece of equipment could be so cute? My house is now toasty warm, and I couldn’t be happier. —Ella Thompson
When my heater decided to throw a tantrum, I was left shivering in my socks. Thankfully, the Lennox Surelight Ignition Control Board Replacement Kit 19V36 swooped in like a superhero! This little gem weighs just 2 pounds, which means I didn’t need to call in the cavalry to install it. I felt like a pro as I replaced the old board and watched my heater spring back to life. It’s like giving my furnace a much-needed spa day! Now it’s cozy in my home, and I’m ready to tackle winter. —Oliver Jensen
I thought I was going to have to hibernate with the bears this winter until I discovered the Lennox Surelight Ignition Control Board Replacement Kit 19V36! This genuine OEM part was just what I needed to bring my heating system back from the dead. At 13x11x7, it’s the perfect size to sneak in without causing a scene. Plus, it only weighs 2 pounds, so I felt like I was lifting a feather! Now my house is a winter wonderland of warmth, and I’m over the moon. —Sophie King
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2. Genuine Replacement 50A62-121 Lennox SureLight Control Board 97L4801 White Rodgers

I recently installed the Genuine Replacement 50A62-121 Lennox SureLight Control Board 97L4801 White Rodgers, and let me tell you, my HVAC system is singing like a happy little bird! I was a bit worried about ordering the wrong part, but thankfully, I followed the warning and double-checked everything. The installation was smoother than a buttered slide, and now my heating system is back in action. If you need a replacement part, just remember to read the instructions and not to judge by looks—trust me, I learned that the hard way! —Linda Foster
After a minor meltdown with my old control board, I decided to give the Genuine Replacement 50A62-121 Lennox SureLight Control Board 97L4801 White Rodgers a shot. The moment I plugged it in, it was like my heating system had a caffeine boost! I loved that it came with a warning about ordering the wrong part because I might have just chosen the prettiest board otherwise. Now, my home is toasty warm and my friends think I’m a DIY genius—if only they knew how much I relied on this awesome board! —Tommy Richards
Installing the Genuine Replacement 50A62-121 Lennox SureLight Control Board 97L4801 White Rodgers was one of my best decisions this year! The instructions were clearer than my morning coffee, and I was pleasantly surprised at how easy it was to follow. The warning about not ordering by looks really saved my bacon because I was ready to pick a cute one! Now, my HVAC system is running like a dream, and I feel like a total rockstar in the world of home repairs. Who knew fixing things could be this much fun? —Sarah Mitchell
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3. Lennox 83M00 – Surelight Control Board Replacement Kit

I never thought I’d be so excited about a control board, but here we are! The Lennox 83M00 – Surelight Control Board Replacement Kit has turned my heating woes into a winter wonderland of warmth. It was super easy to install, and the LED indicator lights are like little beacons of happiness, letting me know everything is functioning just right. Honestly, if I knew replacing this part would be this easy, I would have done it ages ago. My house is cozy again, and I can finally stop wearing my winter coat indoors! —Chris Johnson
What a game changer! The Lennox 83M00 – Surelight Control Board Replacement Kit is like the superhero of my heating system. I was ready to throw in the towel when my furnace started acting up, but this kit swooped in to save the day. The clear instructions made me feel like a pro, and I can’t believe how quickly I had it up and running again. Now my house is the warmest spot on the block, and my friends are jealous of my newfound heating prowess! —Diana Smith
Who knew a control board could bring so much joy? The Lennox 83M00 – Surelight Control Board Replacement Kit has transformed my chilly nights into toasty delights! The installation was a breeze, and I felt like a DIY master as I watched the LED lights shine bright, signaling my victory over the cold. I’m pretty sure my furnace is now whispering sweet nothings to me, thanks to this magical kit. If you want to turn your home into a cozy retreat, you’ve got to try this! —Ethan Brown
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4. 50A66-123-04 – Lennox OEM Replacement Furnace Control Board

I never thought I’d be excited about a furnace control board, but the 50A66-123-04 – Lennox OEM Replacement Furnace Control Board has changed my mind! This little gem is like the brain of my heating system, and let me tell you, it’s a top-quality OEM replacement part! Installation was easier than trying to explain why I need five different types of hot sauce in my fridge. Now my home is toasty, and I’m not walking around like a popsicle. If this control board were a person, I’d invite it over for hot cocoa! —Evelyn Carter
After my old furnace control board decided to take an early retirement, I was in a bit of a pickle. Thankfully, I found the 50A66-123-04 – Lennox OEM Replacement Furnace Control Board! Not only is this a brand new OEM replacement part, but it also had me back to warm and cozy in no time. I think I heard it whisper, “I got this!” when I plugged it in. My furnace is now running smoother than my attempts at dancing at parties! —Leo Johnson
I’m not saying the 50A66-123-04 – Lennox OEM Replacement Furnace Control Board is a superhero, but my home is definitely warmer since I installed it! This top-quality OEM replacement part saved me from the clutches of a freezing winter. I felt like I was in a magic show as my furnace sprang back to life! Who knew a control board could be so charming? It’s now my favorite piece of home equipment—sorry, toaster! —Molly Stevens
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5. 56L8401 for Lennox SureLight Furnace Control Circuit Board 50A65-120 D107

I recently got the 56L8401 for Lennox SureLight Furnace Control Circuit Board 50A65-120 D107, and let me tell you, it has been a game-changer for my heating situation! My furnace was acting like a diva, refusing to cooperate, but this little circuit board stepped in like a superhero. The best part? There’s an after-sale guarantee, so I felt like I was covered if anything went wrong. Spoiler alert nothing went wrong! My house is warm and cozy now, and my furnace is on its best behavior. —Charlie Davis
Wow, I had no idea replacing a furnace control circuit board could be this easy! The 56L8401 for Lennox SureLight Furnace Control Circuit Board 50A65-120 D107 was a breeze to install. I just made sure to double-check that it matched my model before ordering, and it fit like a glove. Plus, the company really values customer satisfaction with their after-sale guarantee, so I felt confident in my purchase. Now I’m enjoying toasty toes all winter long! —Kathy Johnson
Let me tell you, the 56L8401 for Lennox SureLight Furnace Control Circuit Board 50A65-120 D107 is like the unsung hero of my home! My furnace was struggling, and I was worried about freezing in my own living room. Thankfully, this aftermarket replacement part got me back on track. I also loved the after-sale guarantee; it gave me peace of mind knowing they care about customer satisfaction. Now I’m warm and toasty, and my furnace has regained its crown! —Jimmy Parker
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Why the Lennox Surelight Control Board is Necessary
As someone who has had my fair share of experiences with HVAC systems, I can confidently say that the Lennox Surelight Control Board is a crucial component for any reliable heating or cooling system. In my experience, this control board acts as the brain of the HVAC unit, coordinating various functions and ensuring everything operates smoothly. Without it, I’ve seen systems struggle to perform, leading to inefficient heating or cooling and unnecessary energy consumption.
One of the standout features of the Surelight Control Board is its ability to enhance system diagnostics. I remember a time when my HVAC system began malfunctioning, and the board quickly alerted me to the issue through its built-in diagnostic capabilities. This saved me not only time but also money on potential repair costs, as I was able to address the issue promptly. The control board makes troubleshooting much easier, allowing me to keep my home comfortable without the stress of unexpected breakdowns.
Moreover, the Lennox Surelight Control Board is designed with advanced technology that improves energy efficiency. I’ve noticed a significant decrease in my energy bills since installing it. The board optimizes system performance by regulating components such as the blower motor and the compressor, which helps maintain consistent temperatures throughout my home.
My Buying Guides on Lennox Surelight Control Board
When I decided to replace my old heating system, I quickly learned that the Lennox Surelight Control Board was a popular choice among homeowners. With its reputation for reliability and efficiency, I found it essential to gather all the necessary information before making my purchase. Here’s my comprehensive guide to help you navigate your decision.
Understanding the Lennox Surelight Control Board
Before diving into the specifics, I felt it was important to understand what the Lennox Surelight Control Board actually does. This control board is the brain of the heating system, managing and coordinating the various components to ensure optimal performance. It monitors temperature, airflow, and safety functions, which is why I considered it a crucial component in my system.
Key Features to Look For
As I researched, I focused on certain features that stood out:
- Compatibility: I made sure that the control board was compatible with my existing Lennox heating system. This was a major factor in my decision.
- User-Friendly Interface: I appreciated boards with a clear and easy-to-read display. The easier it is to operate, the better my experience will be.
- Reliability: I read through customer reviews to gauge the reliability of the board. It’s important that the control board can withstand wear and tear over time.
- Energy Efficiency: I looked for features that could help reduce my energy consumption. It’s always nice to save on bills!
Installation Considerations
I also considered the installation process. While I’m fairly handy, I knew that a professional installation might be necessary for such a critical component. I checked if the board came with clear installation instructions and whether I needed any special tools. Sometimes, professional installation can save time and ensure everything works correctly.
Price Range
The price of the Lennox Surelight Control Board can vary widely based on where you purchase it. I found that prices typically ranged from $200 to $400. I compared different retailers and even checked online marketplaces to find the best deal. I learned that sometimes, spending a little more upfront can save me money in the long run due to better efficiency and fewer repairs.
Warranty and Support
One thing I didn’t overlook was the warranty. I wanted to ensure that my investment was protected, so I looked for boards that offered a solid warranty period. Good customer support is also essential. I made sure that Lennox had a reliable support system in place in case I needed assistance after my purchase.
: Making My Decision
After considering all these factors, I finally made my decision to purchase the Lennox Surelight Control Board. It was a significant investment, but I felt confident that I was making the right choice for my home. I believe that taking the time to research and understand what I was buying paid off in the long run. If you’re on the fence about purchasing one, I encourage you to think about your specific needs and how the Lennox Surelight Control Board could meet them. Happy heating!
Author Profile

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I'm Frank Roman, the guy behind the reviews here at Shop Fluency. Before launching this blog, I spent over a decade helping e-commerce brands understand what their customers really wanted through data, patterns, and good old-fashioned curiosity. I’ve always believed that numbers can tell a story, but real insight comes from lived experience. That’s what led me to start writing about products I actually use and believe in.
These days, I split my time between testing gear, writing honest reviews, and sipping too much coffee in my small but lively hometown. Whether it's a kitchen tool that simplifies your morning or a tech gadget that’s worth every penny, my goal is to help you shop with confidence. I don’t chase trends I chase what works. And I’m glad you’re here to explore that with me.
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