DuraVent

DuraVent 20' Flex Pipe Length DuraFlex 304 Stainless Steel Tee Kit

$1694.00
$1694.00
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DuraVent 20' Flex Pipe Length DuraFlex 304 Stainless Steel Tee Kit

The DuraVent 20' DuraFlex 304 Stainless Steel Tee Kit is a high-performance flexible chimney liner kit designed for dependable masonry chimney relining and efficient venting of residential heating appliances. Manufactured from durable 304 stainless steel, this 20-foot chimney liner kit is ideal for solid fuel, wood-burning, non-condensing gas, and oil-fired appliances where minimal chimney offsets are present. The flexible design allows for easier installation while providing reliable corrosion resistance and long-lasting performance. DuraFlex 304 components are UL 1777 and ULC S635 listed, ensuring a safe and trusted chimney liner solution.

Engineered for professional chimney restoration and fireplace venting applications, the DuraFlex 304 Tee Kit helps create secure connections while maintaining proper flue gas flow and appliance efficiency. This stainless steel chimney liner system is an excellent choice for wood stoves, fireplace inserts, furnaces, boilers, and oil heating systems. With DuraVent’s proven quality and durable construction, the DuraFlex 304 Tee Kit delivers installation flexibility, dependable performance, and enhanced protection for masonry chimney systems

Features

  • DuraVent 20' DuraFlex 304 Stainless Steel Tee Kit: Complete flexible chimney liner tee kit designed for professional masonry chimney relining and reliable venting system installations.
  • Durable 304 Stainless Steel Construction: Manufactured from 304 stainless steel for excellent corrosion resistance, strength, and long-lasting performance in demanding chimney applications.
  • 20-Foot Flexible Chimney Liner Kit: Includes a 20-foot flex pipe length to support chimney restoration projects and efficient venting upgrades.
  • Wide Diameter Compatibility: Available in 3" to 8" diameters, offering flexible installation options for wood stoves, fireplaces, fireplace inserts, furnaces, boilers, and oil appliances.
  • Multiple Flex Length Options: Available in 15', 20', 25', 30', and 35' lengths to accommodate various chimney heights and installation requirements.
  • Supports Multiple Fuel Applications: Designed for use with solid fuel, wood-burning, non-condensing gas, and oil-fired appliances.
  • Ideal for Chimney Relining: Helps improve chimney performance, restore aging masonry chimneys, and provide a dependable stainless steel chimney liner solution.
  • Easy Installation & Flexible Design: The flexible liner construction simplifies installation through existing chimney pathways while maintaining efficient flue gas movement.
  • UL Listed Chimney Liner System: Part of the trusted DuraVent DuraFlex 304 series, providing a safe and code-compliant UL 1777 listed chimney relining system.

Specifications

Model Size Flex Length
3DF304-20KT 3" I.D 20 ft.
4DF304-20KT 4" I.D 20 ft.
5DF304-20KT 5" I.D 20 ft.
55DF304-20KT 5.5" I.D 20 ft.
6DF304-20KT 6" I.D 20 ft.
7DF304-20KT 7" I.D 20 ft.
8DF304-20KT 8" I.D 20 ft.
Materials 304 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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