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Certified Safe Duravent | 3"-8" Aluminum Type B Gas Vent Steep Roof Flashing Quality Assured [ng7Rxjvf]

$18.99 $60.99 -69%

Unlock the pinnacle of venting performance with DuraVent's 3"-8" Aluminum Type B Gas Vent Steep Roof Flashing. As the foremost authority in the venting industry, DuraVent leads the way with a wide spectrum of meticulously engineered venting solutions

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Certified Safe Duravent | 3"-8" Aluminum Type B Gas Vent Steep Roof Flashing Quality Assured [ng7Rxjvf]

Unlock the pinnacle of venting performance with DuraVent's 3"-8" Aluminum Type B Gas Vent Steep Roof Flashing. As the foremost authority in the venting industry, DuraVent leads the way with a wide spectrum of meticulously engineered venting solutions. Our legacy is one of innovation, safety, and professionalism, serving the HVAC and Hearth markets with distinction.

DuraVent's groundbreaking system, DuraLock, sets the standard for secure connections in Type B Gas Vent systems. Witness the alignment indicators meeting, sense the ends grasping each other, and hear the satisfying snap as the connection firmly locks into place. Our Type B Gas Vent is purpose-built to withstand the rigors of the job site, with a recessed inner wall designed to prevent damage during handling.

Experience rapid heating and minimal condensation during appliance operation, thanks to our Type B Gas Vent's engineering excellence. With pipe lengths ranging from 6 to 60 inches and a full array of adjustable and rigid fittings, we cater to your unique needs.

Please note that while our Type B gas vents excel in many areas, they are not suitable for wood-burning or coal applications, industrial ovens, exhaust ranges and hoods, grease or pollution ducting, or as free-standing exhaust vents for high-temperature applications.

Benefits:

  1. Exceptional Security: DuraLock ensures a tight, worry-free connection.
  2. Rugged Durability: Designed to endure the toughest job site conditions.
  3. Efficient Heating: Rapid heating with minimal condensation for enhanced performance.
  4. Versatile Sizing: Pipe lengths from 6 to 60 inches cater to your specific requirements.
  5. Professional Grade: Industry-leading venting solutions trusted by experts.

Key Features:

  1. Weatherproofing: Safeguard your roof with reliable penetration protection.
  2. Pitch-Perfect: Select flashing based on your roof's pitch (7/12 - 12/12).
  3. Storm-Ready: Storm collar required for added security.
  4. Quality Build: Crafted from galvalume for durability.
  5. Multiple Applications: Compatible with natural gas or liquid propane appliances in Category I.

Applications:

DuraVent's Type B Gas Vent system is your versatile solution for various applications. It pairs seamlessly with natural gas or liquid propane Category I appliances, including:

  • Natural gas fireplaces
  • Gas-fired furnaces
  • Boilers
  • Water heaters
  • Wall or space heating applications

Specifications

Model Size Dimensions
3GVFSR 3" 3.75" (A) x 19.75" (B) x 14.75" (C)
4GVFSR 4" 4.75" (A) x 19.75" (B) x 14.75" (C)
5GVFSR 5" 5.75" (A) x 22" (B) x 16.8125" (C)
6GVFSR 6" 6.75" (A) x 22" (B) x 16.8125" (C)
7GVFSR 7" 7.75" (A) x 27.875" (B) x 18.1875" (C)
8GVFSR 8" 8.75" (A) x 27.875" (B) x 18.1875" (C)
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

Downloads

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.

What Our Customers Say

February 4, 2026

Absolutely no complaints!

It’s powerful, yet surprisingly quiet.

- James Butler.

February 4, 2026

Absolutely no complaints!

I'm glad I invested in this quality item.

- InvestInQuality.

February 4, 2026

Absolutely no complaints!

The product is very responsive and fast.

- Lila R..

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