4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector
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4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector
The backdraft damper is equipped with smooth-running springs and a rubber gasket for an airtight seal, ensuring optimal airflow control and preventing cold air or wind from entering the duct.
4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector
商品＃: 50790490

4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding

商品＃: 50790490

JPY 2733

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*All items will import from アメリカ

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アメリカ USA ストアからの輸入品
今すぐ注文すると 頃に届きます Sunday, 8月 23
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The backdraft damper is equipped with smooth-running springs and a rubber gasket for an airtight seal, ensuring optimal airflow control and preventing cold air or wind from entering the duct.
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この商品の利点

One-Way Airflow
Designed to allow airflow in one direction, preventing backdraft and ensuring optimal ventilation efficiency in HVAC systems.
Inline Spring Blades
Equipped with spring-loaded folding blades, providing reliable operation and preventing unwanted airflow while enhancing energy efficiency.
Compact Design
Measuring just 4 inches, this damper fits seamlessly into various duct systems, making it a versatile choice for different HVAC applications.

製品詳細

Shop 4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector online at a best price in 日本. B09R1G5T3N

どんな人にお勧めですか？

Suitable For
  • Homeowners

    Ideal for homeowners seeking to prevent unwanted air flow in their ventilation systems, improving indoor air quality.

  • HVAC Professionals

    Perfect for HVAC technicians needing effective solutions for controlling air flow in duct systems during installation or repair.

  • DIY Enthusiasts

    Great for DIYers who want to enhance their ventilation systems with an easy-to-install solution for backdraft prevention.

Not Suitable For
  • Industrial Applications

    Not suitable for industrial setups that require heavy-duty dampers with higher airflow capacity and strength.

製品説明書

4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector

何か質問はありますか？ チャットでお問い合わせください

お客様の質問と回答

  • 質問: What is a backdraft damper and how does it work?

    回答: A backdraft damper is a ventilation accessory designed to prevent unwanted airflow in ducting systems. It works by utilizing hinged flaps that open to allow air to flow in one direction and close to block airflow in the opposite direction. This mechanism is crucial for maintaining efficiency in HVAC systems by ensuring that conditioned air doesn’t escape while preventing external air from entering through the ducts.
  • 質問: What applications is the 4-inch backdraft damper suitable for?

    回答: The 4-inch backdraft damper is versatile and can be used in a variety of applications including bathroom exhaust systems, kitchen vents, and heating or cooling ductwork. It’s particularly useful in residential and commercial settings where air balance is essential. By installing this damper, you can enhance the performance of your ventilation system, ensuring that it operates effectively while minimizing drafts and odors.
  • 質問: How do I install the backdraft damper?

    回答: Installing the backdraft damper is straightforward. First, determine the appropriate location within your duct system where airflow needs to be controlled. Cut the duct if necessary, ensuring clean edges. Then, insert the damper into the duct and secure it using screws or duct tape. It's advisable to follow any specific manufacturer instructions for optimal placement and secure fitting. Proper installation can improve the efficiency and performance of your HVAC system.
  • 質問: Is the damper made of durable materials?

    回答: Yes, the 4-inch backdraft damper is typically made from high-quality materials such as galvanized steel or durable plastics. These materials are designed to withstand damp environments and are resistant to corrosion or wear over time. This durability ensures that the damper can effectively perform its role in preventing backflow while being reliable over an extended period, enhancing the overall longevity of your ventilation system.
  • 質問: Can the damper be used in both indoor and outdoor applications?

    回答: The 4-inch backdraft damper is primarily designed for indoor applications, such as within ductwork and exhaust systems. While certain models can be used in outdoor settings, it’s important to verify if the specific damper is suited for such use. Outdoor applications might require additional installation measures to protect against the elements. Always consult the product specifications to identify the most appropriate applications.
  • 質問: Does the backdraft damper require any maintenance?

    回答: Generally, the 4-inch backdraft damper requires minimal maintenance. Regular checks to ensure that the flaps are free of obstructions and close completely can help maintain optimal performance. Cleaning dust or debris from the damper can also enhance its efficiency. Scheduling periodic inspections, especially during seasons of heavy use, ensures any potential issues can be addressed promptly, keeping your ventilation system running smoothly.
  • 質問: Will the damper affect the airflow in my ventilation system?

    回答: Yes, the backdraft damper is specifically designed to affect airflow positively. It allows air to flow in the intended direction while blocking reverse airflow that can lead to energy losses. By incorporating this damper, you can effectively regulate air exchange in your space, ensuring that your HVAC system does not have to work harder than necessary, thereby saving energy and maintaining comfort.
  • 質問: What features make this damper efficient?

    回答: The 4-inch backdraft damper features inline spring-loaded folding flaps that respond quickly to airflow changes, allowing for smooth operation. This design minimizes noise and maximizes sealing to prevent backflow. Additionally, its compact size makes it easy to integrate into existing duct systems without significant alterations. Such features contribute to the efficient functioning of your HVAC system, improving overall air quality by preventing unwanted air ingress.
  • 質問: Where can I buy a 4 Inch Backdraft Damper in Japan?

    回答: You can buy the 4 Inch Backdraft Damper from Ubuy in Japan. Ubuy offers a wide selection of HVAC products, including backdraft dampers, along with convenient ordering processes and options for quick access to high-quality ventilation solutions tailored to your needs.
  • 質問: What are the benefits of using a backflow ducting insert?

    回答: Using a backflow ducting insert like the 4-inch backdraft damper provides several benefits. Primarily, it prevents reverse airflow, which can compromise indoor air quality by allowing outdoor pollutants, odors, and pests to enter. Moreover, it enhances energy efficiency by reducing heat loss during winter and preventing unwanted heat gain in summer. This means your HVAC system will operate more effectively, providing a comfortable environment all year round.

Miuwauer Ducting Editorial Review

The 4 Inch Backdraft Damper is a product designed to prevent cold air from entering a house through a vent or hood. While some customers say it is a waste of money, others found it to be a great solution to their problem. One customer found that it was not the right fit for their dryer exhaust line, and another found that the springs and wings were flimsy. However, a majority of customers were happy with the quality and design of the damper, noting that it had a great seal and didn't obstruct airflow. Overall, the 4 Inch Backdraft Damper is a reasonably priced product that does what it is supposed to do. While some improvements could be made to the design, it is a good option for those looking for a solution to cold air leaking into their home through a vent or hood.

お客様のレビュー＆評価

1 カスタマー評価
  • 5 星
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この商品のレビュー

お考えをお聞かせください

長所

  • Good seal on damper
  • Minimal pressure required to open, doesn't obstruct airflow
  • Well-made and good quality
  • Stops cold air from coming in

短所

  • Springs and wings are flimsy

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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JPY 2733

今すぐ注文すると 頃に届きます Sunday, 8月 23

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PCI DSS準拠・ISO 27001:2022認証取得。すべてのご注文に暗号化決済と充実したバイヤープロテクションが適用されます。

最高の物流パートナー
  • fedex
  • dhl
最速の国際配送

特徴と利点

  • Made of high-quality materials including galvanized steel, aluminum, and stainless steel
  • Automatic opening and closing backflow flap at low air volumes
  • Easy installation in horizontal or vertical positions
  • Suitable for AC, dryer vent, exhaust, heating systems, and more
  • Compatible with flexible or non-flexible ventilation ducts
  • Improves ventilation by preventing air circulation when the fan is not in use

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