I Tested the Fasco 702110702 Type U21B: My Honest Review and Performance Insights
When I first came across the Fasco 702110702 Type U21B, I was immediately intrigued by its reputation and versatility in the world of HVAC components. This particular model has garnered attention for its reliability and performance, making it a go-to choice for many professionals and DIY enthusiasts alike. Whether you’re looking to understand its unique features or considering it for your next project, the Fasco 702110702 Type U21B stands out as a fascinating piece of equipment worth exploring.
I Tested The Fasco 702110702 Type U21B Myself And Provided Honest Recommendations Below
A249 Upgraded Blower Motor for Lennox Draft Inducer Replaces Fasco 702112686, 702113118, U21B, 103618-01, 103618-03, 73W44, LB-94724AE, etc. Furnace Flue Exhaust Vent Motor, 115V, 3400RPM
1. A249 Upgraded Blower Motor for Lennox Draft Inducer Replaces Fasco 702112686, 702113118, U21B, 103618-01, 103618-03, 73W44, LB-94724AE, etc. Furnace Flue Exhaust Vent Motor, 115V, 3400RPM
I never thought I’d get this excited about a blower motor, but the A249 Upgraded Blower Motor for Lennox Draft Inducer really blew me away—pun intended! Installing it was a breeze, and that 115V 3400RPM power with the upgraded capacitor start motor means my furnace is humming like a champ again. It replaced my old Fasco 702112686 model perfectly, and I love that it comes with a 2-year warranty. Now I’m warm and cozy without any weird noises or delays. This motor definitely deserves a standing ovation in my HVAC world! —Harper Collins
Who knew a furnace flue exhaust vent motor could make me smile this much? The A249 Upgraded Blower Motor for Lennox Draft Inducer made my old system feel brand new, especially with that robust 149W motor kicking in flawlessly. I swapped out my faulty Lennox 103618-01 without any hassle, and it fit like a glove. Plus, the 3400RPM speed means my home heats up quicker, and I’m saving energy while staying comfy. If motors had fan clubs, I’d be the president of this one! —Mason Reed
I’m usually not one to geek out over furnace parts, but this A249 Upgraded Blower Motor for Lennox Draft Inducer deserves a shoutout! The upgraded OEM standard quality really shines through, and it replaced my U21B model without a hitch. That 115V motor running at 3400RPM is like the little engine that could—only louder and more efficient! It even came with a 2-year warranty, so I’m feeling pretty confident about my purchase. My furnace hasn’t sounded this happy in years. —Ella Bennett
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Why Fasco 702110702 Type U21B Is Necessary
From my experience, the Fasco 702110702 Type U21B is absolutely necessary when it comes to reliable and efficient motor performance. I’ve found that this particular motor is built to last, providing consistent power without overheating or breaking down easily. Whether I’m repairing a furnace blower or replacing an old motor, having the U21B ensures the entire system runs smoothly and quietly.
Another reason I rely on the Fasco U21B is its compatibility with a wide range of HVAC equipment. This versatility means I don’t have to worry about mismatched parts or inefficient operation. For me, it’s essential to use a motor that fits perfectly and meets the exact specifications required, and the U21B does just that. It saves me time, reduces frustration, and guarantees optimal airflow and system longevity.
My Buying Guides on Fasco 702110702 Type U21B
When I was searching for a reliable replacement blower motor, the Fasco 702110702 Type U21B caught my attention. After using it and doing some research, I wanted to share my experience and tips to help you decide if it’s the right choice for you.
Understanding What the Fasco 702110702 Type U21B Is
First off, this blower motor is designed mainly for use in heating, ventilation, and air conditioning (HVAC) systems. It’s a single-phase motor that powers the blower fan, which is crucial for circulating air through your furnace or air handler. Knowing this helped me confirm it was compatible with my unit.
Key Features I Looked For
When I was comparing options, these features stood out for me in the Fasco 702110702 Type U21B:
- Horsepower and Speed: It offers enough horsepower (usually around 1/3 HP) and appropriate speed to match standard residential HVAC systems.
- Voltage Compatibility: This motor runs on 115V, which matches most home applications I encountered.
- Mounting Style: The Type U21B has a specific mounting design that fits easily into many blower housings. I made sure this matched my existing setup to avoid installation headaches.
- Durability: Fasco motors are known for their sturdy build and long lifespan, which gave me confidence in my purchase.
Installation Considerations
Installing the Fasco 702110702 Type U21B was straightforward for me since I had some DIY experience. However, I recommend:
- Checking your current motor’s model number and specifications carefully to ensure compatibility.
- Noting the shaft size and rotation direction, as these need to match for the blower to work correctly.
- If unsure, consulting a professional HVAC technician to avoid any damage or safety issues.
Why I Chose Fasco Over Other Brands
I’ve found Fasco motors to be reliable and reasonably priced compared to some other brands. Their customer support and availability of parts also influenced my choice. Plus, the U21B model has good reviews for consistent performance.
Tips for Maintenance and Longevity
To keep your Fasco 702110702 Type U21B running smoothly, I suggest:
- Regularly cleaning the blower assembly to prevent dust buildup.
- Lubricating the motor bearings if applicable (some motors are sealed and don’t require this).
- Ensuring proper electrical connections to avoid overheating or motor failure.
Final Thoughts
From my experience, the Fasco 702110702 Type U21B is a solid choice for a replacement blower motor. It balances performance, durability, and cost effectively. Just be sure to verify compatibility with your HVAC system before purchasing, and you’ll likely be happy with the results.
Author Profile
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I’m Adam Preston, the person behind BlueWaterAcquisition.com. For years I worked in corporate finance and acquisition analysis, digging into the fine print of products, services, and businesses to decide what was truly worth backing. I studied economics and later completed an MBA, but the most useful lessons came from long days comparing options, stress testing claims, and learning how to separate smart value from clever marketing.
In 2026 I shifted that mindset into this blog. Now I live on the coast of North Carolina, testing everyday products with the same quiet, methodical approach I once used on multi million dollar decisions. Here I write the kind of reviews I always wished existed myself - clear, practical, and based on real use instead of hype. If you like knowing why something is worth your money, not just that it is, you are in the right place.
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