DuraVent | Steel 3"-8" Galvanized Type B Gas Vent Wall Strap

Save $6.21
DuraVentSKU: 3GVWS

Sale price$24.82 Regular price$31.03
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Size: 3"

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In the realm of venting solutions, one name stands tall - DuraVent. As the unrivaled industry leader, DuraVent has consistently delivered innovation, safety, and professionalism to the HVAC and Hearth markets. Today, we proudly introduce the DuraVent 3"-8" Galvanized Steel Type B Gas Vent Wall Strap, a product designed to elevate your HVAC game to new heights.

DuraVent's Type B Gas Vent Wall Strap is a testament to our commitment to excellence. Our innovative DuraLock system ensures a lock-tight connection, guaranteeing reliability and peace of mind. The alignment indicators effortlessly meet, the ends firmly grasp together, and you can even hear the satisfying snap as the connection locks into place.

This product is engineered to thrive in the demanding conditions of the job site. With a recessed inner wall that eliminates damage during handling, you can trust it to perform consistently, every time.


  • Reliable Support: Use it to provide robust support for offsets and horizontal runs in your venting system.

  • Vertical Stability: Recommended every 4 feet to support vertical common vent configurations, ensuring safety and efficiency.

  • Versatile Compatibility: Compatible with DuraConnect and DuraConnect II, making it a versatile addition to your ventilation setup.

  • 360° Flexibility: Wall Strap legs can be rotated 360˚, allowing you to conceal the screw for a sleek and tidy appearance.

  • Size Matters: Specifically designed for 10” Type B gas vents (11” OD), this wall strap is a perfect fit for your needs.

Key Features

  1. DuraLock Technology: The innovative DuraLock system ensures a secure, lock-tight connection that you can trust.

  2. Durable Construction: Crafted from galvanized steel for exceptional durability, ensuring longevity and reliability.

  3. 360° Rotation: Wall Strap legs can be rotated 360˚, providing flexibility and ease of installation.

  4. Versatile Applications: Suitable for both horizontal and vertical venting configurations, offering unmatched versatility.

  5. Size-Perfect: Designed to perfectly support 10” Type B gas vents (11” OD), ensuring a snug and secure fit.


The DuraVent Type B Gas Vent Wall Strap is engineered for excellence and is ideal for a range of applications:

  • Natural Gas Fireplaces: Enhance the safety and performance of your natural gas fireplace setup.

  • Gas-Fired Furnaces: Ensure efficient venting for gas-fired furnaces, promoting optimal functionality.

  • Boilers: Trust in the durability of DuraVent for your boiler venting needs.

  • Water Heaters: Enjoy peace of mind with reliable venting support for water heaters.

  • Space Heating: For wall or space heating applications, DuraVent is the trusted choice.



Model Size Dimensions
3GVWS 3" 3-5/8" (A)
4GVWS 4" 4-5/8" (A)
5GVWS 5" 5-5/8" (A)
6GVWS 6" 6-5/8" (A)
7GVWS 7" 7-5/8" (A)
8GVWS 8" 8-5/8" (A)
Clearances 1" to combustibles in single and multi-family dwellings
Listings UL Listed to UL 441 and UL 1777(MH6357), ULC listed to ULC S605 (CMH1276 & CMH1407).
Warranty Limited-lifetime warranty


About the Manufacturer

Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company’s research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.

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At Belleflame, we believe that shopping should be simple, stress-free, and most importantly, enjoyable. That's why we work hard to bring you the best products, prices, and customer service in the industry.

Here are just a few reasons why you should choose us:

  • Wide Selection of Products: We offer a vast selection of top-quality products from the leading brands in the industry. No matter what you're looking for, we have something for everyone.
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Order Confirmation:

Upon placing your order, you will promptly receive an email confirmation. Subsequently, we will conduct a thorough inventory check to ensure all items are in stock and available for immediate shipment. If your order aligns with the advertised delivery timeframe, we will promptly process it for shipment to our warehouse. In cases where the expected delivery time extends beyond the advertised timeframe, we will reach out to you via email and/or phone for confirmation.

Order Shipment:

Within one business day of your item being shipped, you will receive an email confirmation containing a tracking number. If you do not receive tracking information within six business days of placing your order, please don't hesitate to get in touch with us for assistance.

Estimated Time of Arrival:

Our typical delivery timeframe ranges from 2 to 10 business days. Custom-made products generally require 3 to 5 weeks for delivery. If the expected delivery date for your order would fall outside of the advertised 2-10 business day time frame, our customer service team will contact you to ensure your agreement with the revised timeline.

Covered Areas:

Please note that all estimated delivery dates and shipping costs advertised on our website apply exclusively to the Contiguous United States. For inquiries regarding shipping to Hawaii or Alaska, kindly reach out to our customer service team. While we do not offer direct shipping to Canada, we are more than willing to ship your order to the freight carrier of your choice.


It is very important that you inspect the packaging of your items when they arrive and check if you received all boxes listed on the delivery receipt. If you notice any damage or shortage of packages, you must make note of it on the bill of lading, take pictures, and refuse delivery. Your note should say "refused due to damage". You must also take photos of all sides of the box and send them to us within 2 days. If there are no damages visible before opening the box, you must note "subject to further inspection may contain concealed damage". If you notice any damage after receiving the delivery, do not throw the box away, and contact us with the photos. After we receive information from you about the refused delivery or concealed damage, we immediately initiate a claim with the shipping company or with the manufacturer. After the claim is fully processed, we ship all replacements at absolutely no cost to you.

Cancellations & Refunds:

We offer free order cancellations before the shipping label or Bill of Lading is generated, or prior to the commencement of production for custom orders. Please note that custom-made items are not eligible for refunds once production has begun. To be eligible for a return, the item must be unused and in its original condition, with all packaging intact and in perfect condition. Orders delivered outside of the United States are not eligible for refunds. If your order arrives damaged, please refer to the "Damages" section. Our refund policy extends for 30 days. If 30 days have elapsed since your purchase, regrettably, we cannot process a refund. Prior to returning an item, please contact us to discuss shipping details. All refunds will be credited to the original credit card or PayPal account used for the purchase, within two days of receiving the returned items at our warehouse.

Please contact sales@belleflame.com for any questions regarding shipping time.

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We believe that shopping should be easy, convenient, and most importantly, affordable. That's why we work hard to bring you the lowest prices on the products you love. But if you do happen to find a better deal elsewhere, we'll go the extra mile to make sure you get the best deal possible.

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