Butterfly Backdraft Damper (3 Inch) (BD 3)
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Butterfly Backdraft Damper (3 Inch) (BD 3)
Proven design to protect against backdraft in your appliance venting
Butterfly Backdraft Damper (3 Inch) (BD 3)
物品 #: 15107293

Butterfly Backdraft Damper (3 Inch) (BD 3)

物品 #: 15107293

HKD 450

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from 美國

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現在訂購，約可在下列時間收貨： 星期五, 七月 31
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Proven design to protect against backdraft in your appliance venting
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What Stands Out

Efficient Backdraft Prevention
Prevents unwanted airflow, ensuring that exhaust and ventilation systems function smoothly, promoting energy efficiency and indoor air quality.
Durable Construction
Constructed with robust materials for long-lasting performance, resistant to corrosion and mechanical wear, making it suitable for various environmental conditions.
Easy Installation
Designed for straightforward mounting in tight spaces, compatible with standard duct systems, which saves time and effort during setup.

產品詳情

Shop Butterfly Backdraft Damper (3 Inch) (BD 3) online at a best price in 香港. B00BBMPOOS
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Home Ventilation

    Ideal for homeowners looking to improve ventilation and prevent backdraft in their exhaust systems.

  • HVAC Professionals

    Great for HVAC technicians needing reliable dampers for residential and commercial duct installations.

  • Indoor Air Quality

    Beneficial for those prioritizing indoor air quality, preventing unwanted air inflow during off cycles.

Not Suitable For
  • Large Duct Systems

    Not suitable for larger duct systems due to limited size and airflow capacity of 3 inches.

  • Heavy Industrial Use

    Inappropriate for heavy industrial applications where robust and larger dampers are required for durability.

  • High Temperature Environments

    Not designed for high temperature exhaust systems, which may require specialized dampers for safety.

產品敘述

Butterfly Backdraft Damper (3 Inch) (BD 3)

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客戶問題＆回答

  • 題: What is a Butterfly Backdraft Damper and how does it work?

    回答: A Butterfly Backdraft Damper is a device designed to prevent outdoor air from flowing back into a duct system when not in use. It operates using a hinged flap that opens with airflow and closes when airflow stops, ensuring efficient ventilation and energy conservation. In practical scenarios, this damper is ideal for heating or cooling systems where you want to maintain indoor temperature without letting outside air disrupt your climate control.
  • 題: What is the recommended installation process for the 3 Inch BD 3 Butterfly Backdraft Damper?

    回答: The installation process for the 3 Inch BD 3 Butterfly Backdraft Damper involves measuring your ducting to ensure proper fit, cutting an appropriate opening in the ductwork, and then securing the damper in place using screws or adjustable clamps. It is crucial to ensure that the damper is oriented correctly for it to function as intended. For optimal performance, this damper is commonly installed in exhaust systems, such as kitchen hoods or bathroom vents.
  • 題: What materials is the Butterfly Backdraft Damper made from?

    回答: Typically, the Butterfly Backdraft Damper is made from durable metals like aluminum or galvanised steel, ensuring longevity and resistance to rust and corrosive elements. These materials are optimal for maintaining structural integrity under varying temperatures and conditions commonly found in ventilation systems. The robustness makes them suitable for high-use areas like industrial kitchens or commercial HVAC systems.
  • 題: Can the 3 Inch BD 3 Butterfly Backdraft Damper be used in outdoor applications?

    回答: Yes, the 3 Inch BD 3 Butterfly Backdraft Damper is suitable for outdoor applications, provided it is installed in a correctly configured duct system. The damper's robust construction allows it to withstand outdoor elements. It's widely used in roof ventilation systems where preventing backdraft is crucial for efficiency, while also protecting against pests and moisture ingress.
  • 題: How does a backdraft damper improve energy efficiency?

    回答: A backdraft damper, such as the 3 Inch BD 3, significantly enhances energy efficiency by preventing unwanted airflow into your HVAC system when it's not operational. By ensuring that outside air doesn’t mix with conditioned air, you maintain temperature control and reduce the load on heating or cooling units. This is especially vital in regions with extreme temperatures where backdraft can lead to increased energy consumption.
  • 題: Is maintenance required for the Butterfly Backdraft Damper?

    回答: Yes, while the Butterfly Backdraft Damper requires minimal maintenance, it is advisable to inspect it regularly for dust and debris accumulation that might impede its functionality. Cleaning the blades and ensuring that they pivot freely will help in maintaining optimal performance. Proper upkeep is particularly important in high-traffic areas, where the damper may be exposed to more contaminants.
  • 題: What dimensions does the 3 Inch BD 3 model accommodate?

    回答: The 3 Inch BD 3 Butterfly Backdraft Damper specifically accommodates ducting with a diameter of three inches. This model is ideal for smaller ventilation systems, making it suitable for residential applications such as kitchen or bathroom exhausts. Matching the damper size with duct dimensions ensures efficient airflow and optimal performance in your ventilation setup.
  • 題: Can I use this damper for multiple ventilation systems?

    回答: While the 3 Inch BD 3 Butterfly Backdraft Damper can technically be used for multiple systems, it is most effective when paired with a single ductwork system to avoid airflow interference. Using it in complex configurations may lead to subpar performance. Therefore, if you are managing multiple vents, consider using separate dampers for each to ensure efficient operation.
  • 題: What are the benefits of using a Butterfly Backdraft Damper?

    回答: The primary benefits of using a Butterfly Backdraft Damper include preventing backdrafts, enhancing energy efficiency, and maintaining indoor air quality. By effectively sealing off your ductwork when not in use, you reduce energy loss and prevent contaminants from entering your home. This damper is particularly beneficial in maintaining the efficiency of HVAC systems in both residential and commercial settings.
  • 題: Where can I buy the Butterfly Backdraft Damper 3 Inch BD 3?

    回答: You can purchase the Butterfly Backdraft Damper 3 Inch BD 3 through Ubuy. Ubuy offers a wide variety of home improvement products, making it an excellent source for acquiring this specific damper. With an easy-to-navigate platform and a strong reputation, Ubuy provides convenient options for online shopping in Hong Kong.

HVAC Express Ducting Editorial Review

The Butterfly Backdraft Damper 3 Inch BD 3 has received mixed reviews from customers in terms of its functionality and compatibility with various appliances. While it is not suitable for use with a wood stove or natural gas water heater flue pipe, it can be used to block fumes effectively when connected properly to the desired side. Customers have noted that it does not have a spring closure but will stay closed when mounted vertically. However, it seems that there's a bit of confusion among users about its application and installation. In general, the reception of this product seems to be leaning more towards the negative side due to its limited compatibility and the need for proper installation for it to be effective in preventing backdraft. Users are advised to seek professional help in case of any concerns with venting. Ultimately, the product's use appears to be heavily dependent on proper understanding and installation in specific airflow configurations.

Customer Reviews & Ratings

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優點

  • Effective at blocking fumes when installed properly
  • Stays closed when mounted vertically

缺點

  • Limited compatibility with certain appliances

Platform Trust & Buyer Confidence

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3.9/5 90 + reviews
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Sam
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“Great product, good packing, the goods arrived quickly and well protected.”

6 Jun 2026 · via Trustpilot
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“Great products and services”

17 April 2026 · via Trustpilot
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“Good market place with decent prices”

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“whatever you want you will get delivered at reasonable pricing. I am a regular customer.”

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“I've had a wonderful experience shopping with UBUY Hong Kong. The customer service is outstanding, and my orders always arrive on time. Very satisfied with their services!”

2 Jun 2024 · via Trustpilot
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HKD 450

現在訂購，約可在下列時間收貨： 星期五, 七月 31

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Fastest cross-border delivery

特色和優勢

  • Lightweight blades and foam closure for noise elimination
  • Easy to install, heavy-duty 26 gauge galvanized metal
  • Suitable for vertical or horizontal mounting
  • Available in sizes 3 up to 24 ducting
  • Made in the USA

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