- Home Page /
- Tools & Home Improvement /
- Building Supplies /
- HVAC /
- Ducting /
- Butterfly Backdraft Damper (7 Inch) (BD 7)
0 ratings
Item #:
15107871
Butterfly Backdraft Damper (7 Inch) (BD 7)
Item #:
15107871
MYR 224
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, July 23
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
Proven design to protect against backdraft in your appliance venting.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Efficient Airflow
The butterfly backdraft damper enhances airflow efficiency by preventing backdrafts, ensuring that only desired air circulates within HVAC systems for optimal performance.
Durable Construction
Crafted from high-quality materials, the 7-inch damper guarantees long-lasting durability and reliability under various environmental conditions, reducing the need for frequent replacements.
Easy Installation
Designed for straightforward installation, the BD 7 damper can be quickly mounted in existing ducts, minimizing downtime and allowing for hassle-free upgrades to airflow systems.
Product Details
| Brand Name | HVAC Express |
| Manufacturer | HVAC Express |
| Manufacturer Part Number | BD 7 |
| Unit Count | 1.0 Count |
| Seat Width | 7 Inches (17.8 cm) |
| Item Weight | 1 Pounds (450 grams) |
| Color | Silver |
| Material Type | Galvanized Metal |
| Brand | HVAC Express |
| Material | Galvanized Metal |
Who Should Buy?
-
HVAC Installations
Ideal for HVAC professionals seeking to prevent backflow in ventilation systems, enhancing system efficiency and indoor air quality.
-
Residential Use
Perfect for homeowners wanting to improve their ductwork's performance by minimizing unwanted drafts and air leakage.
-
Energy Savers
Great for environmentally conscious users aiming to reduce energy bills by optimizing airflow and preventing heat loss.
-
Large Commercial Use
Unsuitable for large-scale commercial applications where higher capacity dampers may be necessary for proper airflow management.
-
Cold Environments
Not ideal in extremely cold climates where additional energy may be required to combat potential airflow losses.
-
DIY Beginners
Not recommended for inexperienced users who may struggle with installation and proper alignment within existing duct systems.
Product Description
Butterfly Backdraft Damper (7 Inch) (BD 7)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a Butterfly Backdraft Damper and how does it work?
Answer: A Butterfly Backdraft Damper is a device designed to prevent the reverse flow of air in ventilation systems. It operates using a pivoting blade that opens to allow airflow in the designated direction and closes to block backdrafts. By using this damper, you can maintain efficiency in your HVAC system, ensuring conditioned air doesn’t escape and unwanted air doesn’t enter. It’s especially useful in situations where external air pressure can force unconditioned air back into the system, such as in high-rise buildings or during high winds. -
Question:
What applications are suitable for the Butterfly Backdraft Damper?
Answer: The Butterfly Backdraft Damper is commonly used in residential and commercial HVAC systems, exhaust ducting, and kitchen hoods. Its design makes it ideal for applications where airflow regulation is crucial for maintaining indoor air quality and efficiency. For instance, when installed in a kitchen exhaust system, it prevents outside odors from coming in through the ducts when the system is not in operation, helping to keep your living environment fresh. -
Question:
What size should I choose for my ventilation system?
Answer: Choosing the right size for your Butterfly Backdraft Damper is critical for optimal performance. The BD 7 model has a 7-inch diameter, making it suitable for duct systems with matching specifications. It is essential to measure your existing ductwork and ensure compatibility. Installing a damper that is too small may restrict airflow, while one that is too large may not seal properly, allowing unwanted airflow. -
Question:
How do I install the Butterfly Backdraft Damper?
Answer: Installing the Butterfly Backdraft Damper is straightforward, but it is crucial to follow the manufacturer’s guidelines. Generally, you will need to cut the duct to fit the damper, ensuring a snug and secure installation. Use duct tape or clamps to seal any gaps around the edges to maintain airflow integrity. Proper installation ensures that the damper functions correctly, keeping unwanted air out while allowing essential ventilation. -
Question:
What materials is the Butterfly Backdraft Damper made from?
Answer: The Butterfly Backdraft Damper is typically constructed from durable materials such as galvanized steel or aluminum. These materials are chosen for their strength and resistance to corrosion, ensuring longevity and reliable performance in various environments. The choice of material also plays a role in maintaining air tightness, which is essential for energy efficiency and performance in heating and cooling systems. -
Question:
Can I use this damper in a high-velocity system?
Answer: Yes, the Butterfly Backdraft Damper can be used in high-velocity HVAC systems, provided that the system's pressure specifications match the damper's design. It's advisable to consult with an HVAC professional to ensure compatibility. In high-velocity systems, proper installation is vital to prevent noise and ensure efficient airflow. This damper aids in regulating airflow and pressure, making your ventilation system more efficient. -
Question:
Is the Butterfly Backdraft Damper suitable for air conditioning systems?
Answer: Absolutely, the Butterfly Backdraft Damper is suitable for air conditioning systems as well. It helps to maintain proper airflow and prevents backflow of warmer air into cooled areas, optimizing system efficiency. Installing it in your AC ducts can significantly enhance the performance of your system while extending its lifespan by reducing strain on components caused by inefficiencies. -
Question:
How can I determine if my damper is functioning correctly?
Answer: To determine if your Butterfly Backdraft Damper is functioning correctly, observe the airflow when the system is in operation. The damper should open when air is flowing through and completely seal when airflow stops. Regular maintenance checks can help identify any issues, such as stuck blades or debris accumulation, which may hinder performance. Ensuring proper operation is key to maintaining your HVAC system's efficiency. -
Question:
Where can I buy the Butterfly Backdraft Damper (7 Inch) (BD 7) in Malaysia?
Answer: You can buy the Butterfly Backdraft Damper (7 Inch) (BD 7) from Ubuy in Malaysia. Ubuy offers a range of ventilation solutions, including this specific damper, ensuring you have access to high-quality products tailored to your needs. Their platform provides user-friendly shopping options, making it simple to find and purchase the right equipment for your ventilation requirements. -
Question:
Is maintenance required for the Butterfly Backdraft Damper?
Answer: While the Butterfly Backdraft Damper is designed to be low-maintenance, routine checks are recommended to ensure optimal performance. It’s essential to inspect the damper periodically for any signs of wear, dirt buildup, or blockages that could affect operation. Regular maintenance not only prolongs the life of the damper but also enhances the efficiency of your entire HVAC system by ensuring that it operates under optimal conditions.
HVACExpress Ducting Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
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.
MYR 224
Order now and get it around Thursday, July 23
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
Features & Benefits
- Eliminates noise with lightweight blades and foam closure.
- Easy installation with heavy-duty 26 gauge galvanized metal.
- Flexible mounting options: vertical or horizontal with one end crimped.
- Available in sizes ranging from 3 to 24 inches for versatile ducting.
- Made in the USA with a proven design for maximum efficiency.
- Enhances your appliance venting system with quiet closure.
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.