DuraVent 15' Flex Pipe Length DuraFlex 316 Stainless Steel Tee Kit
The DuraVent 15' DuraFlex 316 Stainless Steel Tee Kit is a complete flexible chimney liner system designed for reliable masonry chimney relining and superior venting performance. Crafted from premium 316 stainless steel, this 15-foot chimney liner tee kit provides outstanding corrosion resistance for wood-burning fireplaces, wood stoves, non-condensing gas appliances, oil-fired systems, and coal-burning applications. Its flexible construction allows smooth installation through chimneys with minimal offsets, while the included tee component creates a secure vent connection and convenient cleanout access. The system is UL 1777 and ULC S635 listed for safe, code-compliant performance.
Designed for long-lasting durability, the DuraFlex 316 stainless steel chimney liner kit improves draft efficiency, protects masonry chimneys, and withstands harsh flue conditions caused by corrosive combustion byproducts. The integrated tee kit simplifies installation and ongoing chimney maintenance, making it an ideal solution for fireplace inserts, furnaces, boilers, and wood stove venting upgrades. Backed by DuraVent’s trusted engineering, this chimney liner system delivers dependable performance for both residential and commercial chimney restoration projects.
Features
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DuraVent 15' DuraFlex 316 Stainless Steel Tee Kit: Complete 15-foot flexible chimney liner tee kit designed for professional masonry chimney relining and high-performance venting applications.
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Premium 316 Stainless Steel Construction: Manufactured from 316 stainless steel for superior corrosion resistance, making it ideal for long-term use in demanding chimney environments.
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Integrated Tee Connection: Includes a durable stainless steel tee that provides a secure vent connection and convenient chimney cleanout access for easier maintenance.
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Available in Multiple Diameters: Offered in 3" to 8" diameter sizes to accommodate a wide range of wood stoves, fireplaces, fireplace inserts, furnaces, boilers, and oil heating appliances.
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Multiple Flex Length Options: Available in 15', 20', 25', 30', and 35' lengths to fit different chimney heights and installation requirements.
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Flexible Chimney Liner Design: The stainless steel flex pipe easily navigates masonry chimneys with minimal offsets, simplifying installation while maintaining proper draft.
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Compatible with Solid Fuel, Gas & Oil Appliances: Designed for solid-fuel, non-condensing gas, oil-fired, and coal-burning appliances, providing a versatile venting solution.
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Enhanced Corrosion Protection: The 316 stainless steel alloy delivers added resistance against corrosive flue gases, making it an excellent choice for coal-burning and sulfur-rich fuel applications.
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Improves Chimney Performance: Helps restore chimney efficiency, promote smooth flue gas flow, and protect masonry chimneys from heat and combustion byproducts.
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UL Listed Chimney Liner System: Part of the trusted DuraVent DuraFlex 316 series, UL 1777 and ULC S635 listed for safe, code-compliant chimney relining installations.
Specifications
| Model |
Size |
Flex Length |
| 3DF316-15KT |
3" I.D |
15 ft. |
| 4DF316-15KT |
4" I.D |
15 ft. |
| 5DF316-15KT |
5" I.D |
15 ft. |
| 55DF316-15KT |
5.5" I.D |
15 ft. |
| 6DF316-15KT |
6" I.D |
15 ft. |
| 7DF316-15KT |
7" I.D |
15 ft. |
| 8DF316-15KT |
8" I.D |
15 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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