DuraVent

DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel Basic Kit

$1153.00
$1153.00
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DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel Basic Kit

The DuraVent 35' DuraFlex 316 Stainless Steel Basic Kit is a premium flexible chimney liner kit engineered for dependable masonry chimney relining and long-lasting venting performance. Constructed from highly corrosion-resistant 316 stainless steel, this 35-foot chimney liner system is ideal for wood stoves, fireplace inserts, solid-fuel appliances, non-condensing gas appliances, oil-fired heating systems, and coal-burning applications. Its flexible design simplifies installation through chimneys with minimal offsets while maintaining excellent flue gas flow, chimney draft, and heating efficiency. The DuraFlex 316 Basic Kit is UL 1777 and ULC S635 listed, providing a safe and code-compliant solution for professional chimney restoration projects.

Designed for superior durability, the DuraVent DuraFlex 316 stainless steel chimney liner kit helps protect masonry chimneys from heat, moisture, and corrosive combustion byproducts. This 35-foot flexible chimney liner improves appliance efficiency while supporting safer venting for residential and commercial heating systems. Ideal for chimney liner replacement, fireplace insert installation, and venting upgrades, the kit delivers reliable performance backed by DuraVent’s trusted engineering and industry-leading quality.

Features

      • DuraVent 35' DuraFlex 316 Stainless Steel Basic Kit: Complete 35-foot flexible chimney liner kit engineered for professional masonry chimney relining, fireplace insert installations, and chimney restoration projects.
      • Premium 316 Stainless Steel Construction: Built with 316 stainless steel alloy for outstanding corrosion resistance, exceptional durability, and long-lasting chimney venting performance.
      • Available in Multiple Diameters: Offered in 3" to 8" diameters to fit a wide range of wood stoves, fireplace inserts, solid-fuel appliances, gas appliances, and oil heating systems.
      • Flexible Chimney Liner Design: Easily adapts to chimney offsets and tight spaces, simplifying installation while maintaining efficient flue gas flow and optimal chimney draft.
      • Multiple Flex Length Options: Available in 15’, 20’, 25’, 30’, and 35’ lengths to accommodate various chimney heights and installation requirements.
      • Ideal for Chimney Relining Projects: Perfect for masonry chimney repair, chimney liner replacement, fireplace insert upgrades, and venting system restoration.
      • Improves Chimney Performance: Helps protect chimney walls from heat, moisture, and corrosive flue gases while promoting efficient appliance operation.
      • Compatible with Multiple Fuel Types: Suitable for solid fuel, non-condensing gas, oil-fired, and coal-burning appliances requiring enhanced corrosion resistance.
      • UL Listed DuraFlex Venting System: Manufactured to meet UL 1777 and ULC S635 standards for safe, code-compliant chimney liner installations.
      • Professional-Grade Venting Solution: Trusted DuraVent DuraFlex 316 chimney liner kit for reliable residential and commercial chimney venting applications.

      Specifications

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