DuraVent

DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel

$1016.00
$1016.00
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DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel

The DuraVent 35' DuraFlex 316 Stainless Steel Flex Pipe Length is a premium flexible chimney liner designed for dependable masonry chimney relining and venting applications. Constructed from highly corrosion-resistant 316 stainless steel, this 35-foot chimney liner provides exceptional durability for wood stoves, fireplace inserts, solid-fuel appliances, non-condensing gas systems, oil-fired appliances, and coal-burning applications. Its flexible design allows smooth installation through chimney pathways with offsets while maintaining efficient flue gas flow, proper chimney draft, and appliance performance. The DuraFlex 316 stainless steel liner is UL 1777 and ULC S635 listed for safe and reliable chimney installations.

Built for long-lasting performance, the DuraVent DuraFlex 316 chimney liner helps protect masonry chimneys from heat, moisture, and corrosive combustion byproducts. Ideal for chimney restoration, fireplace insert upgrades, and chimney liner replacement projects, this 35-foot flexible stainless steel vent liner delivers improved safety, efficiency, and airflow. Backed by DuraVent’s trusted chimney technology, it offers a professional solution for residential and commercial heating system venting needs.

Features

      • DuraVent 35' DuraFlex 316 Stainless Steel Flex Pipe: Premium 35-foot flexible chimney liner designed for reliable chimney relining, fireplace insert installation, and heating appliance venting applications.
      • High-Performance 316 Stainless Steel Construction: Manufactured with durable 316 stainless steel alloy for superior strength, extended service life, and enhanced resistance to corrosion.
      • Compatible with Multiple Appliance Types: Designed for use with solid fuel, non-condensing gas, and oil appliances, including wood stoves, fireplaces, furnaces, and boilers.
      • Enhanced Corrosion Resistance for Coal Applications: The 316 stainless steel chimney liner provides additional corrosion protection when burning coal or sulfur-rich oils, helping withstand harsh flue conditions.
      • Flexible Chimney Liner Installation: Offers excellent flexibility for navigating chimney pathways while supporting easier installation and dependable flue gas venting performance.
      • Improves Chimney Safety & Efficiency: Helps protect masonry chimneys from heat, moisture, and corrosive exhaust gases while maintaining proper chimney draft and appliance efficiency.
      • Ideal for Masonry Chimney Relining: Perfect for fireplace inserts, wood-burning appliances, chimney restoration, and stainless steel liner replacement projects.
      • Professional DuraFlex 316 Series Solution: Part of the trusted DuraVent DuraFlex chimney liner system, engineered for long-lasting residential and commercial venting performance.
      • UL Listed Stainless Steel Chimney Liner: Designed to meet UL 1777 and ULC S635 standards for safe and code-compliant chimney relining installations.

      Specifications

      Model Size Flex Length
      3DF316-35 3" I.D 35 ft.
      4DF316-35 4" I.D 35 ft.
      5DF316-35 5" I.D 35 ft.
      55DF316-35 5.5" I.D 35 ft.
      6DF316-35 6" I.D 35 ft.
      7DF316-35 7" I.D 35 ft.
      8DF316-35 8" I.D 35 ft.
      Materials 316 Stainless Steel
      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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