DuraVent 15' Flex Pipe Length DuraFlex 304 Stainless Steel
The DuraVent 15' DuraFlex 304 Stainless Steel Flex Pipe is a durable and economical flexible chimney liner designed for masonry chimney relining in residential and commercial heating applications. Manufactured from 304 stainless steel, this 15-foot chimney liner is ideal for wood-burning, non-condensing gas, and oil-fired appliances where minimal chimney offsets are present. Its lightweight, flexible construction simplifies installation while maintaining dependable venting performance. The DuraFlex 304 system is UL 1777 and ULC S635 listed, ensuring compliance with rigorous safety and performance standards.
Engineered for long-lasting reliability, the DuraFlex 304 stainless steel chimney liner promotes efficient flue gas flow while protecting masonry chimneys from heat, moisture, and corrosion. It is an excellent choice for fireplaces, wood stoves, furnaces, boilers, and oil heating systems, providing a secure and efficient venting solution. Designed for professional chimney restoration projects, this flexible liner delivers exceptional durability, easy handling, and dependable performance, making it a trusted option for upgrading existing chimney systems
Features
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15-Foot Flexible Chimney Liner: The DuraVent 15' DuraFlex 304 Stainless Steel Flex Pipe is designed for dependable chimney relining in residential and light commercial heating applications.
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Premium 304 Stainless Steel Construction: Manufactured from 304 stainless steel to provide excellent corrosion resistance, durability, and long-lasting venting performance.
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Ideal for Wood, Gas & Oil Appliances: Compatible with wood-burning fireplaces, wood stoves, non-condensing gas appliances, furnaces, boilers, and oil-fired heating systems.
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Flexible for Easy Installation: The flexible chimney liner design simplifies installation in masonry chimneys with minimal offsets while maintaining efficient flue gas flow.
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Improves Chimney Safety & Performance: Helps restore aging chimney systems, improving venting efficiency and protecting masonry chimneys from heat and flue byproducts.
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UL Listed Chimney Liner: Part of the DuraVent DuraFlex 304 system, UL 1777 and ULC S635 listed for trusted safety and performance.
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Professional Chimney Relining Solution: Ideal for chimney restoration, fireplace inserts, and heating appliance vent upgrades requiring a high-quality stainless steel chimney liner.
Specifications
| Model |
Size |
Flex Length |
| 3DF304-15 |
3" I.D |
15 ft. |
| 4DF304-15 |
4" I.D |
15 ft. |
| 5DF304-15 |
5" I.D |
15 ft. |
| 55DF304-15 |
5.5" I.D |
15 ft. |
| 6DF304-15 |
6" I.D |
15 ft. |
| 7DF304-15 |
7" I.D |
15 ft. |
| 8DF304-15 |
8" I.D |
15 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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