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DuraVent | DuraFlex AL Kit 25' Flex Relining Type B Gas Vent Pipe

When it comes to relining masonry chimneys for natural gas or liquid propane appliances, you deserve nothing but the best. Our DuraFlex AL Kit stands as a testament to excellence in the field. Crafted for category I, draft hood equipped appliances, and those listed for Type B Gas Vent use, this kit is your ticket to peak HVAC performance.

Benefits

  1. Swift Heating: The aluminum inner pipe in our kit heats up quickly, ensuring your HVAC system is operational in no time.
  2. Condensation Control: Bid farewell to worries about flue product condensation. Our kit keeps the vent system free from damaging effects.
  3. Compatibility Simplified: Connect our DuraFlex Aluminum flex with any B-vent brand, eliminating the need for costly B-vent connector replacements.
  4. American Craftsmanship: Proudly manufactured in the USA, you can trust the quality and durability of our product.
  5. Complete Package: Our kit includes everything you need for a seamless relining process.

Key Features

  1. DuraFlex AL Top Plate: Seal the top of your masonry chimney effortlessly.
  2. DuraFlex AL Cap: Terminate the relining system at the chimney's peak for efficient venting.
  3. DuraFlex AL Mortar Sleeve: Safeguard your DuraFlex during wall penetration in masonry installations.
  4. DuraFlex Aluminum Length: Available in 25’, 35’, and 50’ lengths for versatile applications.
  5. Reliability Guaranteed: Trust in a product backed by decades of DuraVent's industry expertise.

Applications

DuraFlex AL (DFAL) is your go-to solution for aluminum flexible relining in masonry chimneys. Perfectly compatible with natural gas and liquid propane systems, it’s the ideal choice for:

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

Specifications

Model Size Flex Length
3DFA-25K 3" I.D 25 ft.
4DFA-25K 4" I.D  25 ft.
5DFA-25K 5" I.D 25 ft.
55DFA-25K 5.5" I.D 25 ft.
6DFA-25K 6" I.D 25 ft.
7DFA-25K 7" I.D 25 ft.
8DFA-25K 8" I.D 25 ft.
Vent Construction Double-Wall
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

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 Kit 25' Flex Relining Type B Gas Vent Pipe

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DuraVent | DuraFlex AL Kit 25' Flex Relining Type B Gas Vent Pipe
Regular price $355.03
Sale price $266.69
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DuraVent | DuraFlex AL Kit 25' Flex Relining Type B Gas Vent Pipe Reviews

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