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AC Infinity 8 Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 8 Ducting in Range Hoods and Bathrooms Fans
MVR 627
Price Details
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An antidraft duct insert designed for use with range hoods, bathroom fans, and other home HVAC applications.
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What Stands Out
Product Details
- An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications.
- Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.
- Mounts horizontally or vertically to prevent backflow and debris from entering ducting.
- Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.
- Fit for 8 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat
| Additional Features | Spring-Loaded |
| Noise | 59 Decibels |
| Mounting Type | Horizontal/Vertical Mount |
| Wattage | 75 watts |
| Filter Type | Baffle |
| Ventilation Type | Ducted/Vented |
| Smart Home Compatibility | Not Smart Home Compatible |
| Control Method | Touch |
| Color | Black |
| Finish Types | Powder Coated |
| Item Form | Insert |
| Vent Hood Design | Range Insert Hood |
| Brand Name | AC Infinity |
| Model Number | AC-BDD8-B |
| Manufacturer | AC Infinity |
| UPC | 819137021327 |
| Manufacturer Part Number | AC-BDD8-B |
| Unit Count | 1 Count |
| Specification Met | UL |
| Material Type | Alloy Steel, Aluminum |
| Brand | AC Infinity |
| Special Feature | Spring-Loaded |
| Finish Type | Powder Coated |
| Material | Alloy Steel, Aluminum |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Homeowners
Ideal for homeowners looking to prevent backdrafts in kitchens or bathrooms, enhancing ventilation efficiency.
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Contractors
Contractors will benefit from easy installation, ensuring proper airflow in new home builds or renovations.
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DIY Enthusiasts
Great for DIY enthusiasts wishing to improve air circulation in their home without professional help.
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Large Duct Systems
Not suitable for larger duct systems due to its 8-inch size limitation, may not provide optimal performance.
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Noise-Sensitive Environments
Could cause noise disturbance in quiet areas, as the spring-loaded blades might create audible sound during operation.
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Extreme Weather Areas
Not ideal for locations with extreme temperature fluctuations, as it may lead to material degradation over time.
Product Description
Customer Questions & Answers
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Question:
What is the purpose of the AC Infinity 4 Backdraft Damper?
Answer: The AC Infinity 4 Backdraft Damper is designed to prevent unwanted backdrafts in ducting systems. It features spring-loaded folding blades that open when air flows in the intended direction, allowing for proper ventilation, while closing automatically to block air from reversing. This is particularly useful in range hoods and bathroom fans, ensuring that bad odors, moisture, and external air are kept out, contributing to better indoor air quality. -
Question:
How does the AC Infinity Backdraft Damper work?
Answer: This damper uses a simple yet effective mechanism involving spring-loaded blades that respond to airflow. When air flows through the duct, the blades open to let the air pass, and when the airflow stops or reverses, the blades close to prevent backdraft. This action helps maintain ventilation efficiency and is ideal for applications in range hoods and bathrooms, where keeping outdoor air out is essential for comfort and hygiene. -
Question:
Can the AC Infinity Backdraft Damper be installed in any duct size?
Answer: The AC Infinity Backdraft Damper is specifically designed for 4-inch ducting systems. It is not suitable for larger or smaller ducts, as the fit would be compromised leading to inefficiency. Ensure your ducting size matches the 4-inch specification for optimal performance. This compatibility makes it ideal for standard range hoods and bathroom ventilation systems where such ducting is commonly used. -
Question:
Is the AC Infinity Backdraft Damper suitable for use in HVAC systems?
Answer: The AC Infinity Backdraft Damper is primarily intended for non-pressurized ducting systems like those found in range hoods and bathroom fans. While it may work in some HVAC setups, it's best used in systems where air needs to flow in one direction only, thus preventing backdraft and protecting your home’s air quality. Consider it primarily for applications where air directionality is critical. -
Question:
How do I clean the AC Infinity Backdraft Damper?
Answer: Cleaning the AC Infinity Backdraft Damper is straightforward. Simply remove it from the ducting, and clean the blades and the interior with a damp cloth to remove dust and debris. Regular cleaning helps maintain efficient airflow and prevents clogging. This is especially important in kitchen applications, where grease can accumulate, thus ensuring peak performance and longevity of the damper. -
Question:
What materials are used in the construction of the AC Infinity Backdraft Damper?
Answer: The AC Infinity Backdraft Damper is constructed from durable high-quality plastic that offers longevity while maintaining lightweight properties. The design ensures that it can withstand frequent operation without warping or degrading. This robust construction contributes to its effective spring-loaded mechanism, making it an excellent choice for managing airflow in a variety of residential ventilation systems. -
Question:
Can I use multiple AC Infinity Backdraft Dampers in one system?
Answer: Yes, you can use multiple AC Infinity Backdraft Dampers in larger ducting systems or in separate branches of your ventilation setup. This allows for targeted control of airflow in different areas of your home. For example, if you have multiple bathrooms or a range hood with extensive ductwork, using several dampers can enhance performance by preventing backdraft more effectively across all sections. -
Question:
Does the AC Infinity Backdraft Damper make noise during operation?
Answer: The AC Infinity Backdraft Damper is designed to operate quietly. The spring-loaded blades open and close smoothly without generating significant noise. This quiet operation is particularly important in residential settings, where excessive noise from ventilation systems can be disruptive. You'll appreciate the peace it provides while ensuring proper ventilation without irritating sounds. -
Question:
What applications are best suited for the AC Infinity Backdraft Damper?
Answer: The AC Infinity Backdraft Damper is ideally suited for applications in range hoods and bathroom fans. It ensures that unwanted air and moisture are kept out, improving ventilation efficiency and indoor air quality. Additionally, it can be used in other similar ducting environments where controlling airflow direction is crucial, making it a versatile tool for home ventilation needs. -
Question:
Where can I buy AC Infinity 4 Backdraft Damper, One-Way Airflow Ducting Insert?
Answer: You can buy the AC Infinity 4 Backdraft Damper from Ubuy. They offer a convenient online shopping experience with a wide range of products, including ventilation solutions like this damper, making it easy to find what you need for your home projects.
ACInfinity Ducting AC-BDD8-B Editorial Review
The AC Infinity backdraft damper is designed to reduce air drafts during cold weather. It does not create an air-tight seal, but its design effectively prevents air from migrating backward on the system. It is made of sturdy materials that are durable and last long. The unit comes with clamp allowing users to install it between two duct pieces. It features two soft rubber "o-ring” style gaskets around the outer diameter, meant to create a seal with ductwork slips. The butterfly flaps move smoothly and will even close when pointing downwards due to superior and strong springs. Some customers had issues with plates being too tight, but after applying lubricant, the problem was eliminated. The AC Infinity backdraft damper is not designed for outdoor use.
Customer Reviews & Ratings
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5 Star
78%
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4 Star
12%
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3 Star
5%
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2 Star
2%
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1 Star
3%
Review this product
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Pros
- Sturdy and durable construction
- Effective at reducing air drafts during cold weather
- Comes with clamp for easy installation
- Features two soft rubber "o-ring” style gaskets for secure connection
- Superior and strong springs allow damper to function even in a vertical position
- Butterfly flaps move smoothly
- No foam seal meaning it can withstand high-temperature applications
- Black powder coat to prevent rust
Cons
- Not designed for outdoor use
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
MVR 627
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Features & Benefits
- Prevents backflow and debris in your ducting system.
- Features airtight rubber gaskets for an excellent tight seal.
- Durable galvanized steel construction ensures long-lasting use.
- Spring-loaded aluminum blades operate with minimal airflow.
- Perfectly fits standard 4-inch duct openings.
- Versatile mounting options – can be installed horizontally or vertically.


















