DuraVent 30' Flex Pipe Length DuraFlex 304 Stainless Steel Tee Kit
The DuraVent 30' DuraFlex 304 Stainless Steel Tee Kit is a premium flexible chimney liner kit designed for efficient masonry chimney relining and dependable venting in residential and commercial heating systems. Featuring a 30-foot 304 stainless steel chimney liner, this tee kit is ideal for wood-burning fireplaces, wood stoves, non-condensing gas appliances, and oil-fired heating equipment with minimal chimney offsets. Its flexible construction simplifies installation while delivering exceptional corrosion resistance and reliable flue performance. The DuraFlex 304 system is UL 1777 and ULC S635 listed, ensuring trusted safety and code-compliant installation for professional chimney restoration projects.
Engineered for long-lasting durability, the DuraFlex 304 stainless steel chimney liner tee kit promotes smooth flue gas flow while protecting masonry chimneys from heat, moisture, and corrosive byproducts. The integrated tee connection provides a secure transition and convenient cleanout access, making routine maintenance easier. Perfect for fireplace inserts, furnaces, boilers, and oil heating systems, this professional-grade chimney liner kit delivers dependable draft performance, installation flexibility, and the lasting quality expected from DuraVent venting products.
Features
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DuraVent 30' DuraFlex 304 Stainless Steel Tee Kit: Complete 30-foot flexible chimney liner tee kit designed for professional masonry chimney relining and reliable chimney venting upgrades.
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Durable 304 Stainless Steel Construction: Manufactured with high-quality 304 stainless steel for excellent corrosion resistance, strength, and long-lasting performance in heating applications.
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30-Foot Flexible Chimney Liner: Includes a 30-foot flex pipe length ideal for taller chimney systems, restoration projects, and replacement liner installations.
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Available in Multiple Diameters: Offered in 3" to 8" diameter sizes to support various wood stoves, fireplaces, fireplace inserts, furnaces, boilers, and oil heating appliances.
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Flexible Length Options: Available in 15', 20', 25', 30', and 35' lengths to accommodate different chimney heights and installation requirements.
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Designed for Solid Fuel, Gas & Oil Appliances: Compatible with solid fuel, non-condensing gas, and oil-fired heating systems for versatile chimney relining applications.
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Integrated Tee Connection: Provides a secure liner connection point and simplifies chimney maintenance and cleanout access during service.
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Improves Chimney Efficiency: Helps restore aging masonry chimneys, enhance draft performance, and maintain efficient flue gas movement.
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Easy Installation Flexibility: The flexible stainless steel chimney liner design helps navigate existing chimney pathways with minimal offsets for smoother installation.
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UL Listed Chimney Liner System: Part of the trusted DuraVent DuraFlex 304 series, UL 1777 and ULC S635 listed for safe, code-compliant chimney installations.
Specifications
| Model |
Size |
Flex Length |
| 3DF304-30KT |
3" I.D |
30 ft. |
| 4DF304-30KT |
4" I.D |
30 ft. |
| 5DF304-30KT |
5" I.D |
30 ft. |
| 55DF304-30KT |
5.5" I.D |
30 ft. |
| 6DF304-30KT |
6" I.D |
30 ft. |
| 7DF304-30KT |
7" I.D |
30 ft. |
| 8DF304-30KT |
8" I.D |
30 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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