- 主頁 /
- Tools & Home Improvement /
- Building Supplies /
- HVAC /
- Ducting /
- 3 Inch 4 Inch Draft Blocker Backdraft Damper ...
商品＃:
190882003
3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper
85% of respondents would recommend this to a friend
商品＃:
190882003
TWD 901
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from 美國
有存貨
從USA商店匯入
立即訂購並活動它 Monday, 九月 14
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The flap valve opens and closes automatically, allowing only one-directional airflow, preventing cold air from entering.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
One-Way Airflow
Prevents unwanted backflow, ensuring that air flows in one direction only. This enhances system efficiency and prevents drafts, making it ideal for maintaining comfortable indoor environments.
Versatile Compatibility
Designed to fit 3'' and 4'' ducts, suitable for both PVC and flexible hoses. This versatility makes installation easy for various HVAC systems, catering to diverse user needs.
Efficient Draft Blocker
Effectively stops drafts, reducing energy costs by maintaining desired temperatures. Its innovative design enhances airflow control, benefiting homeowners and businesses seeking improved energy efficiency and comfort.
產品詳情
| Package Dimensions | 5.83 x 5.83 x 5.24 inches (14.8 x 14.8 x 13.3 cm) |
| Item Weight | 10.8 ounces (306.18 grams) |
| Manufacturer | BRDUROBLA |
| Item model number | 2025930-uodgn |
Who Should Buy?
-
Homeowners
Ideal for homeowners seeking to prevent drafts and improve HVAC efficiency in their air ducts.
-
HVAC Professionals
Beneficial for HVAC technicians needing reliable backdraft dampers for residential and commercial duct installations.
-
DIY Enthusiasts
Great for DIY enthusiasts looking to enhance air quality and control airflow in their home ventilation systems.
-
Large Installations
Not suitable for large commercial systems requiring heavy-duty dampers or specialized airflow solutions.
產品描述
有疑問？ 和我們聊天
客戶問題與解答
-
問題:
What is a 3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper?
Answer: A 3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper is a device installed in duct systems to prevent unwanted airflow when your HVAC system is off. This helps maintain temperature, improve energy efficiency, and reduce heating or cooling costs. By blocking drafts from outside, it ensures that your indoor environment remains comfortable. It's particularly useful in homes with central heating or cooling, as it prevents conditioned air from escaping, which can lead to increased energy consumption. -
問題:
How does a backdraft damper work?
Answer: A backdraft damper works by utilizing gravity or spring action to close off the duct when the airflow direction from the duct is reversed, preventing outside air from entering. When your HVAC system is running, the airflow will open the damper, allowing conditioned air to flow in. This mechanism is crucial in maintaining energy efficiency as it helps to ensure that your indoor climate is regulated without the interference of outside temperatures. It's commonly used in residential and commercial HVAC systems to enhance user comfort and energy savings. -
問題:
Can I install a draft stopper myself?
Answer: Yes, a draft stopper can be installed easily by most DIY enthusiasts. It typically involves measuring the duct opening and securing the damper using screws or adhesive tape, depending on the model. Clear instructions are usually provided with the product. It’s important to ensure a proper fit to maximize efficiency. For best results, position the damper in areas that experience significant drafts, like basement vents or attic ducts. Proper installation can make a major difference in the effectiveness of your HVAC system. -
問題:
Where are common places to install a draft blocker?
Answer: Common places to install a draft blocker include HVAC ducts, vent openings, and chimneys. Particularly, focus on areas where outside air may enter, like basement vents, crawl spaces, or unused fireplaces. Additionally, installing a draft blocker in ventilation systems leading to attics and lofts will help maintain overall home temperature and comfort. Consider these locations to ensure that your heating and cooling efforts are not compromised by unwanted drafts. -
問題:
What materials are used in draft blockers?
Answer: Draft blockers are usually made from durable materials such as metal, plastic, or rubber. The choice of material affects the effectiveness and longevity of the device. For instance, metal dampers are typically more robust and resistant to weather conditions, while plastic options may offer flexibility and ease of installation. Understanding the material used can help you choose the right draft blocker that suits your specific needs and environment. -
問題:
How do I know the right size draft blocker for my duct?
Answer: To determine the right size draft blocker, measure the diameter of your ductwork accurately. For the 3 Inch and 4 Inch draft blockers, you’ll need to check which size fits your system. It's essential to ensure a snug fit for optimal performance, as an improperly sized damper may not seal effectively, leading to energy loss. Consult product specifications or seek assistance from customer support to select the ideal size for your home. -
問題:
Are draft stoppers energy efficient?
Answer: Yes, draft stoppers significantly enhance energy efficiency by preventing conditioned air from escaping and outside air from entering your space. This can lead to lower heating and cooling requirements, reducing energy consumption and contributing to cost savings on utility bills. By maintaining a stable indoor temperature, they enhance the overall effectiveness of your heating and cooling systems, making your home more comfortable year-round. -
問題:
Can a draft blocker help with indoor air quality?
Answer: Yes, using a draft blocker can positively impact your indoor air quality by preventing drafts that may carry dust, pollen, and other allergens indoors. By controlling airflow, you can better manage humidity levels, which can contribute to mold growth if not regulated. By installing a draft blocker, you create a more stable environment that protects not only your comfort but also your health, especially for those with allergies or respiratory conditions. -
問題:
How can I maintain my draft blocker?
Answer: Maintaining your draft blocker is generally straightforward and involves periodic inspections for any dust or debris buildup that may affect its operation. Clean the exterior with a damp cloth, and check the hinges or springs to ensure smooth operation. Occasionally, verify that the damper seals tightly without gaps. Regular maintenance ensures that the device continues to function efficiently, providing the optimal benefits of energy savings and airflow control. -
問題:
Where can I buy 3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper?
Answer: You can buy the 3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper from Ubuy in Taiwan. Ubuy offers a wide selection of HVAC products including draft stoppers, ensuring you can find the precise size and model to fit your needs. Their platform makes it easy to browse various options, read specifications, and select the correct product conveniently.
BRDUROBLA Ducting 2025930-uodgn Editorial Review
The 3" 4" Draft Blocker Backdraft Damper is designed to effectively manage airflow in ducting systems, preventing unwanted drafts and backflow. Customers have generally found it to deliver on its promises, particularly appreciating its ease of installation and reliable performance once properly set up. Users have highlighted that the damper's one-way flap is effective in keeping cold air out and maintaining stable temperatures in various spaces, from bathrooms to workshops. Positive feedback points to how straightforward the installation was—many users were able to easily fit the device into their duct lines without any complications. The design adapts well to different duct sizes, accommodating both 3" and 4" configurations. Despite concerns regarding the material's durability, many users believe it performs adequately for typical residential uses. However, not all experiences were entirely positive. Some customers reported issues with the Construction quality, describing the materials as flimsy and noting that in certain conditions—such as heavy winds—the damper may struggle to perform effectively. There were mentions of the flap not remaining closed in horizontal positions, causing dissatisfaction for some users. Overall, while the 3" 4" Draft Blocker Backdraft Damper is an affordable and functional solution for managing airflow, potential buyers should be mindful of its limitations in more demanding environments. **
Customer Reviews & Ratings
17 客戶評價
-
5 星
51%
-
4 星
27%
-
3 星
18%
-
2 星
4%
-
1 星
0%
評論這個產品
和其他客戶分享您的想法
優點
- Easy installation process
- Effective at preventing drafts and backflow
- Adaptable to various duct sizes
- Affordable and practical for residential use
缺點
- Constructed from lightweight materials that may feel flimsy
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
安全結帳
Global Delivery
Easy Returns
Genuine Products
Product Price History
重要資訊
- 限制：對於國際運輸的產品，請注意任何製造商保修可能無效；製造商服務選項可能不可用；產品手冊、說明和安全警告可能不是目的地國家的語言；產品（及隨附材料）的設計可能不符合目的地國家的標準、規範和標籤要求；並且產品可能不符合目的地國家的電壓和其他電氣標準（如果適用，需要使用適配器或轉換器）。收件人有責任確保產品可以合法進口到目的地國家。當從Ubuy或其關聯公司訂購時，收件人是記錄在案的進口人，並且必須遵守目的地國家的所有法律和法規。
- 由於Ubuy是一個全球搜索引擎，因此並非Ubuy上列出的所有產品都在出售。產品受出口/貿易法規的約束。
TWD 901
立即訂購並活動它 Monday, 九月 14
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
特色和優勢
- Widely applicable for ACs, exhaust fans, and ventilation systems.
- Silicone sealing sheet integrated for enhanced durability.
- Designed for easy installation into exhaust hoses or PVC.
- Automatically opens and closes for directed airflow.
- Inner rubber seal for better tightness and noise reduction.
- Made from high-quality PVC for longevity.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.