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The DuraFlex SW, featuring a smooth inner-wall design, redefines chimney liners. Its unique construction ensures no reduction in output, allowing your appliances to operate at peak efficiency. Say goodbye to ridges that hinder flue gas flow and collect deposits; the smooth wall eliminates them, making cleaning and maintenance a breeze. Designed to reline masonry chimneys, this stainless steel wonder accommodates both wood and gas-burning appliances. Rest assured, it's UL 1777 listed for your peace of mind.

When it comes to flexibility, we put you in control. Customization is at your fingertips, with the option to order lengths to suit your needs. Our DuraFlex Pro and DuraFlex SW range even offers diameters from 9" to 12" for custom lengths. Flexibility meets perfection with Ventinox components for all 9"-12" flex systems.

Benefits

  • Maximized Efficiency: Smooth inner-wall design ensures no output reduction, allowing appliances to operate at their best.
  • Easy Maintenance: Say goodbye to ridges that trap deposits; cleaning and maintenance are hassle-free.
  • Versatile Application: Ideal for relining masonry chimneys for wood and gas appliances.
  • UL 1777 Listed: Certified for safety and reliability.
  • Customization Options: Tailor the length to your needs for ultimate flexibility.

Key Features

  • Smooth Inner Wall: Eliminates ridges, facilitating efficient flue gas flow.
  • Stainless Steel Construction: Durable and corrosion-resistant.
  • Custom Lengths: Order as per your requirements.
  • Wide Diameter Range: Accommodates various appliance sizes.
  • UL 1777 Listing: Certified for safety and quality.

Applications

DuraFlex SW's smooth wall flexible design makes it perfect for relining masonry chimneys. It's a versatile choice compatible with gas, wood pellet, oil, or wood-burning appliances. Common applications include fireplace inserts, furnaces, boilers, and water heaters.

Specifications

Model Size Flex Length
3DFSW-25 3" I.D 25 ft.
4DFSW-25 4" I.D 25 ft.
5DFSW-25 5" I.D 25 ft.
55DFSW-25 5.5" I.D 25 ft.
6DFSW-25 6" I.D 25 ft.
7DFSW-25 7" I.D 25 ft.
8DFSW-25 8" I.D 25 ft.
Construction Single-Wall
Clearance 0” clearance for gas, oil, and pellet applications.
Clearance 1” clearance to masonry for wood-burning
Listings Listed to UL 1777 and ULC S635 (MH45609).
Warranty Limited lifetime warranty

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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 | Pipe DuraFlex 25' Flex SW Stainless Steel Length

DuraVent | Pipe DuraFlex 25' Flex SW Stainless Steel Length

by DuraVent
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DuraVent | Pipe DuraFlex 25' Flex SW Stainless Steel Length
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$663.29
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