DuraVent | DuraFlex AL Top Plate Type B Gas Vent 3"-8" Inner Diameter — Home Selection
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DuraVent | DuraFlex AL Top Plate Type B Gas Vent 3"-8" Inner Diameter

Engineered to perfection, DuraFlex AL is your answer to relining masonry chimneys for natural gas and liquid propane appliances. Designed to accommodate category I, draft hood-equipped devices, as well as appliances tested and approved for Type B Gas Vent, this versatile venting system opens up a world of possibilities. Whether you're looking to enhance the performance of natural gas fireplaces, gas-fired furnaces, boilers, water heaters, or wall and space heating applications, DuraFlex AL has got you covered.

Say goodbye to worries about masonry chimney damage due to flue product condensation. With DuraFlex AL, you're investing in a solution that not only seals the top of your chimney but also heats up rapidly. This innovative aluminum inner pipe remains hot throughout operation, effectively eliminating condensation in your appliance and vent system. Plus, it seamlessly connects DuraFlex Aluminum flex to any brand of B-vent, streamlining the relining process without the need to replace the existing B-vent connector, saving both time and money. Best of all, it's proudly manufactured in the USA, ensuring quality you can trust.

Benefits

  1. Prevents chimney damage from condensation.
  2. Swiftly heats up for efficient venting.
  3. Versatile, compatible with various gas appliances.
  4. Seamless connection to existing B-vents.
  5. Trusted quality, proudly made in the USA.

Key Features

  1. Effective Chimney Sealing
  2. Rapid Heating Aluminum Inner Pipe
  3. Condensation Elimination
  4. Universal Compatibility
  5. USA-Made Quality

Applications

Versatile Applications: DuraFlex AL (DFAL) is your ultimate choice for aluminum flexible chimney relining, catering to both natural gas and liquid propane category I appliances. It finds its place in a wide range of applications, including natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating systems.

Specifications

Model Size
3DFA-TP 4" (A) x 4" (H) x 16" (W)
4DFA-TP 5" (A) x 4" (H) x 16" (W)
5DFA-TP 6" (A) x 4" (H) x 16" (W)
55DFA-TP 6.5" (A) x 4" (H) x 16" (W)
6DFA-TP 7" (A) x 4" (H) x 16" (W)
7DFA-TP 8" (A) x 4" (H) x 16" (W)
8DFA-TP 9" (A) x 4" (H) x 16" (W)
Vent Type Type B Gas Vent
Materials & Const. 010” aluminum (2-ply of .005”)
Clearance 0” clearance to masonry
Listings Listed to UL 1777 and ULC S635
Warranty Limited Lifetime Warranty

Downloads

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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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DuraVent | DuraFlex AL Top Plate Type B Gas Vent 3"-8" Inner Diameter

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DuraVent | DuraFlex AL Top Plate Type B Gas Vent 3"-8" Inner Diameter Reviews

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