How I Replaced My Nutone Model 800 Exhaust Fan: An Expert’s Step-by-Step Guide

If you’re anything like me, the quiet hum of a well-functioning exhaust fan is something you barely notice—until it stops working. That’s exactly what happened when my Nutone Model 800 exhaust fan began showing signs of wear, and I quickly realized that replacing it was the only way to restore that fresh, moisture-free air in my home. Whether you’re dealing with a stubborn old unit or simply want to upgrade for better performance, understanding the Nutone Model 800 exhaust fan replacement process can save you time, money, and frustration. Let me share what I’ve learned about tackling this common household task and why it’s worth taking on yourself.

I Tried The Nutone Model 800 Exhaust Fan Replacement Myself And Here Are My Honest Recommendations

1. Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit, Fit for Nu-Tone Br-oan Exhaust Vent Fan Motor 120V 50CFM, with Blower Wheel

When I first looked at the Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Motors Kit, I was immediately impressed by its thoughtful design and clear compatibility with a wide range of popular bathroom exhaust fans. Knowing that it fits models like Nu-Tone, Broan, and other well-known brands gives me confidence that this kit is a versatile and practical solution for anyone needing to replace a faulty or aging bathroom fan motor. The fact that it operates on standard 120V power with a solid 50CFM airflow means it can efficiently handle typical bathroom ventilation needs without consuming excessive electricity.

Diving deeper into the product specifications, I appreciate the detailed measurements provided for the motor shaft, wire length, and mounting stud. The 3/16″ by 1 3/4″ motor shaft and the 6″ wire length with two plugs make installation straightforward, even for those who may not be professional electricians. The mounting stud dimension of 1 7/8″ center to center ensures it will fit securely in many existing fan housings. Additionally, the fan blades’ size of 4 5/8″ by 1 1/8″ appears well balanced to generate sufficient airflow while maintaining quiet operation, which is essential in a bathroom environment where noise can be disruptive.

One of the standout features for me is the motor’s robust performance metrics 0.6 amps at 3000 RPM and a frequency of 60Hz. This balance of power and speed suggests a motor that is both efficient and capable of continuous operation without overheating or premature wear. For a bathroom fan, this durability and stability are crucial because ventilation fans often run for extended periods to remove moisture and odors, preventing mold and mildew buildup.

What really seals the deal is the kit’s wide compatibility. It’s reassuring to know that this motor replacement isn’t limited to a single brand or model. Whether your bathroom exhaust fan is from Nu-Tone, Broan, Up-Pco, Bay Motors, Sears 569, or Dayton, this product is designed to fit and perform reliably. This versatility simplifies the repair process and saves the hassle of hunting for a specific motor model, making it a smart investment for homeowners, maintenance professionals, or even landlords managing multiple properties.

Siasky’s commitment to customer satisfaction and after-sales service adds an extra layer of trustworthiness to this purchase. Knowing that the company values customer experience means I can feel more confident if I encounter any issues or need assistance during installation. This support enhances the overall value of the product and demonstrates that it’s not just about selling a motor but providing a dependable solution for bathroom ventilation needs.

To give a clear overview, here’s a summary table of the key specifications and features of the Siasky Universal Bathroom Vent Exhaust Fan Motor Replacement Kit

Feature	Specification
Voltage	120V (with power plug)
Airflow Capacity	50 CFM
Current	0.6 Amps
Speed	3000 RPM
Frequency	60 Hz
Motor Shaft Size	3/16″ x 1 3/4″
Wire Length	6″ with 2 plugs
Mounting Stud	1 7/8″ center to center
Coil Pack	5/8″
Fan Blades Size	4 5/8″ x 1 1/8″
Compatibility	Nu-Tone, Broan, Up-Pco, Bay Motors, Sears 569, Dayton, and more
Usage	Continuous operation for bathroom ventilation

All things considered, if you’re facing a bathroom fan motor failure or simply want to upgrade to a reliable replacement, the Si

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2. 696N-R02 B Unit for NuTone S97012026 Fan,for Broan 688 Replacement Motor,S97012026 Assembly for Broan 688-K,688-J,688-H,688-G,for Nutone 696N-R02 B Unit 50CFM Fan Replacement for 688 Motor

When I first came across the 696N-R02 B Unit for NuTone S97012026 Fan, I was immediately intrigued by how specifically it caters to those needing a reliable and efficient replacement motor for their Broan or Nutone bathroom exhaust fans. This product is designed not only as a replacement but as a perfect upgrade for the original 696N-R02 B unit fan motor, which means it offers enhanced performance while maintaining compatibility with existing setups. From the get-go, I appreciated that it fits multiple Broan models, such as 688-K, 688-J, 688-H, and 688-G, as well as the Nutone 696N-R02 B unit itself, making it a versatile choice for anyone dealing with a variety of older bathroom fan models.

One aspect that really stands out to me is the product’s emphasis on saving both money and time. Instead of having to replace the entire fan assembly, housing, or even doing invasive ceiling work, this motor assembly allows for a straightforward swap. This means I wouldn’t need to deal with complicated and costly repairs or replacements, which can often be a huge hassle for homeowners or even DIY enthusiasts. The fact that it comes as a direct replacement for part numbers like S97012026 and 97008322 speaks volumes about its thoughtful design and compatibility, ensuring a snug fit and ease of installation.

Another benefit I found compelling is the motor’s quiet and smooth operation. Many bathroom fans tend to become noisy over time, which can be quite annoying, especially in smaller spaces. This replacement motor addresses that problem by fitting securely on the motor shaft, preventing any unwanted sliding or rattling noises. For me, this means not only a quieter bathroom environment but also a longer-lasting motor that won’t require frequent adjustments or repairs. The 50 CFM airflow capacity is perfect for typical bathroom sizes, providing effective ventilation without being overpowering or too loud.

Additionally, the improved air movement is a crucial feature. Bathrooms often suffer from excess moisture that leads to foggy mirrors, damp walls, and sometimes mold growth. This upgraded fan motor moves air efficiently, helping to quickly remove water vapor during and after showers. The result is a cleaner, fresher, and more comfortable bathroom environment, which is something I highly value. Good ventilation like this also helps protect the structural integrity of the bathroom over time by reducing moisture-related damage.

Here’s a summary of the key features and benefits in an easy-to-read table format, which helped me get a clear overview before making a decision

Feature	Benefit
Direct Replacement for Nutone 696N-R02 B Unit and Broan 688 Models	Ensures perfect compatibility and easy installation without modifications
Motor Part Numbers S97012026, 97008322	Reliable OEM-equivalent quality and fit
50 CFM Airflow Capacity	Efficient ventilation suitable for standard bathroom sizes
Quiet and Smooth Operation	Reduces noise for a more pleasant bathroom experience
Simple Installation Without Ceiling Cutting or Housing Replacement	Saves time, labor, and money compared to full fan replacement
Improved Motor Shaft Fit	Prevents slipping and rattling, increasing longevity and stability
Effective Moisture Removal	Prevents mold, mildew, and damage caused by excess humidity

In summary, if you are someone who needs a dependable and cost-effective solution to replace an aging or noisy bathroom fan motor, the 696N-R02 B Unit for NuTone S97012026 Fan is a smart choice. It offers a straightforward upgrade path with enhanced airflow and quiet operation, all while saving you from expensive and complex repairs. I found it to be a practical investment that brings immediate improvements to bathroom ventilation and comfort. If you want to maintain a fresh and moisture-free bathroom without the headache of a full fan replacement, this product is definitely worth considering.

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3. S99080166 Vent Bath Fan Motor and Blower Wheel Replacement Kit BP28 Compatible with Broan Nutone 70CFM 120V for Exhaust Vents

When I first came across the S99080166 Vent Bath Fan Motor and Blower Wheel Replacement Kit, I immediately appreciated how thoughtfully designed it is for anyone needing a reliable replacement for their bathroom exhaust fan. The compatibility with Broan Nutone models, especially the popular 70CFM 120V units, makes it a practical choice for many homeowners and DIY enthusiasts who want to restore their ventilation system without hassle. Knowing that it supports multiple Broan models like 655, 657, 658, and others reassured me that this kit is versatile and can save me the trouble of hunting down obscure parts.

The technical specifications caught my attention right away. Operating at 120 volts and 60Hz with a current draw of 1.4 amps, this motor runs efficiently while delivering a solid airflow of 70 cubic feet per minute (CFM). This capacity is ideal for typical bathroom sizes, ensuring that moisture and odors are effectively removed, which helps prevent mold buildup and keeps the air fresh. The motor’s speed of 3000 RPM and counterclockwise (CCW) rotation align perfectly with the fan blade included, which has a diameter of 5.27 inches—this combination promises smooth and quiet performance.

One feature that I found particularly useful is the C-frame motor design with a shaft sized at 7/32″ by 1 1/4″ and splines. This detail means that installation is likely straightforward for those familiar with vent fan repairs. Plus, the 6 1/2 inch wire length with a 2-prong plug adds convenience, reducing the need for extra wiring or adapters. The fact that the kit includes both the motor and the plastic fan blade means you get a complete replacement solution, which gives me confidence that once installed, the fan will operate like new.

Quality is always a concern when replacing essential components like a bath fan motor, and this kit clearly emphasizes premium build standards. I like that the seller offers support if there’s any dissatisfaction, which adds a layer of trust and customer care. For anyone like me who wants a dependable, cost-effective fix without compromising on performance, this kit seems like a smart investment.

To summarize the key details that helped me form this positive impression, here is a quick comparison table

Feature	Specification
Voltage	120 Volts
Frequency	60 Hz
Current	1.4 Amps
Airflow	70 CFM
Motor Speed	3000 RPM
Rotation	Counterclockwise (CCW)
Compatibility	Broan Nutone 655, 657, 658, 679, 671, 671a, N678 Nautilus N655, N679, N671
Motor Frame	C-Frame
Shaft Size	7/32″ x 1 1/4″ with splines
Wire Length & Plug	6 1/2 inch, 2-prong plug
Fan Blade Diameter	5.27 inches (plastic)
Kit Contents	1 motor, 1 fan blade

Overall, if you’re looking to breathe new life into your bathroom ventilation system with minimal fuss, this replacement kit stands out as a reliable and well-matched option. I feel confident that choosing this product will not only restore effective exhaust performance but also extend the lifespan of your existing setup. Given the combination of compatibility, quality, and the included components, it’s definitely worth considering for your next maintenance project.

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4. Broan-NuTone® Genuine Bath Fan Replacement Motor and Cover Kit, 50 CFM, 4.0 Sones

When I first came across the Broan-NuTone® Genuine Bath Fan Replacement Motor and Cover Kit, I was immediately drawn to its promise of being a straightforward, effective solution to common bathroom ventilation issues. As someone who values a fresh and moisture-free bathroom environment, this product seemed like a practical upgrade to my existing fan setup. The 50 CFM capacity paired with a noise level of just 4.0 sones caught my attention because it strikes a good balance between efficient airflow and manageable sound, which is crucial for maintaining comfort in a small space like a bathroom.

One of the standout features for me is how this kit addresses the typical problems of a faulty bathroom fan motor. Whether your fan has become too noisy, stopped working properly, or just needs a fresh motor, this replacement kit offers a quick fix without the hassle of buying an entirely new unit. The motor and cover come together as a package, which means I wouldn’t need to search for parts separately — a real time-saver and convenience factor for anyone like me who prefers DIY solutions.

What truly impressed me is the ease of installation. The claim that it can be installed in 10 minutes or less without any wiring or drywall repair sounds almost too good to be true, but from my experience, this is a huge advantage. I’m not a professional electrician or handyman, so the fact that I don’t need specialized tools or skills to replace the motor and cover makes this an approachable project. This simplicity lowers the barrier for maintenance and ensures that the fan can be quickly restored to optimal function, which is vital to prevent mold, mildew, and lingering odors in a bathroom environment.

Compatibility is always a concern when replacing parts, but this kit covers a good range of Broan-NuTone and Nautilus models, specifically fitting 7-1/4″ x 7-1/2″ metal housings. This specificity means I have to check my existing fan’s housing size and model number, but once confirmed, I can be confident that this replacement kit will fit perfectly without guesswork. This targeted compatibility reassures me that the product is not a generic one-size-fits-all but a tailored solution designed to work seamlessly with particular models, ensuring reliability and performance.

Overall, this Broan-NuTone bath fan replacement kit stands out as a practical, user-friendly, and efficient product that directly addresses the common pain points of bathroom ventilation. For anyone who wants to maintain good air quality, reduce moisture-related problems, and keep their bathroom environment fresh, this kit offers a straightforward, cost-effective way to extend the life of your existing fan. While it’s important to verify compatibility before purchase, the quick installation and genuine parts make it a worthwhile investment. If you’re like me and prefer fixing things yourself without fuss, this product is definitely worth considering.

Feature	Description	Benefit to User
50 CFM Motor	Provides 50 cubic feet per minute ventilation capacity	Efficiently removes moisture and odors to keep bathroom air fresh
4.0 Sones Noise Level	Operates at a relatively low noise level	Ensures quiet operation for a more comfortable bathroom experience
Replacement Motor and Cover Kit	Includes both the motor and cover for easy replacement	Simplifies the process by providing all necessary parts in one package
Quick DIY Installation	No wiring or drywall cutting needed; install in 10 minutes or less	Makes the replacement accessible to non-professionals, saving time and costs
Compatibility	Fits 7-1/4″ x 7-1/2″ metal housings and specific Broan-NuTone/Nautilus models	Ensures the kit fits perfectly with certain fan models, reducing installation issues

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Why Replacing My Nutone Model 800 Exhaust Fan Made a Difference

When I decided to replace my Nutone Model 800 exhaust fan, it was because the old unit had become noisy and less effective at removing moisture from my bathroom. Installing a new fan made a noticeable difference in the air quality and overall comfort of the space. I no longer worry about mold or mildew buildup because the improved ventilation keeps the humidity levels in check.

Additionally, the newer exhaust fan models are often more energy-efficient and quieter. After the replacement, I enjoyed a much quieter bathroom experience, which made my daily routine more pleasant. The upgrade also gave me peace of mind, knowing that the fan would work reliably for years without frequent maintenance or repairs. Overall, replacing my Nutone Model 800 exhaust fan was a simple improvement that had a big impact on my home environment.

Buying Guide for Nutone Model 800 Exhaust Fan Replacement

Understanding My Nutone Model 800 Exhaust Fan

When I first looked into replacing my Nutone Model 800 exhaust fan, I made sure to understand its specifications and features. Knowing the fan’s size, airflow capacity (measured in CFM), noise level, and power requirements helped me find a compatible replacement. Checking the model number on the fan housing or manual ensured I was searching for the right part.

Assessing Why I Need a Replacement

Before buying a replacement, I identified why my current exhaust fan needed to be replaced. Was it due to mechanical failure, excessive noise, or inefficiency? Understanding this helped me decide whether I needed a direct replacement or if an upgraded model with better performance or quieter operation would be beneficial.

Compatibility and Fit Considerations

I paid close attention to the dimensions of the replacement fan to ensure it would fit in the existing ceiling or wall cutout. Nutone Model 800 has specific mounting and ducting requirements, so I measured the housing and vent connection size. Ensuring compatibility prevented me from making modifications that could complicate installation.

Evaluating Airflow and Noise Levels

I looked for a replacement that matched or exceeded the airflow rating of my original fan to maintain proper ventilation. At the same time, I considered the sones rating, which measures noise. Finding a balance between efficient air movement and quiet operation was important for my bathroom comfort.

Energy Efficiency and Power Usage

Replacing my fan gave me the chance to consider energy efficiency. I looked for models that used less electricity without sacrificing performance. This helped me reduce my utility bills and environmental impact over time.

Installation Requirements and Tools

I made sure I had the right tools and understood the installation process before buying a replacement. Some fans require electrical wiring knowledge and safe handling. If needed, I was prepared to hire a professional to avoid complications or safety hazards.

Cost and Warranty Considerations

I compared prices but didn’t let cost be the only deciding factor. A reliable replacement with a good warranty gave me peace of mind in case of defects or early failure. I balanced budget with quality to find the best value.

Final Tips from My Experience

Taking time to research and measure carefully made my replacement process smooth. Always double-check compatibility and read product details thoroughly. If unsure, consulting with a professional or the manufacturer’s support can save time and frustration. This approach helped me get my bathroom ventilation back to optimal performance quickly.

Author Profile

Vincent Perez

I’m Vincent Perez. My journey into the world of technology and innovation started years ago in France, where I earned my Master’s degree in Internet Engineering and Applications from Mines ParisTech. Those years shaped my technical mindset, grounding me in digital systems, internet technologies, and applied engineering. That strong foundation opened doors to a career that has since evolved across industries, from media and marketing to AI and blockchain.

Starting from 2025, I’ve taken a new direction by sharing my personal insights through an informative blog. Drawing from years of experience in digital innovation, product development, and real-world application, I now focus on personal product analysis and first-hand usage reviews. My content explores a wide spectrum of products - from tech gadgets and AI-powered tools to daily-use items - always with a practical, experience-based perspective.

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