DuraVent 20' Flex Pipe DuraFlex Pro Stainless Steel Tee Kit Length
The DuraVent 20' Flex Pipe DuraFlex Pro Stainless Steel Tee Kit Length is a premium flexible chimney liner system engineered for strength, flexibility, and reliable masonry chimney relining. Featuring durable 316 stainless steel construction, DuraFlex Pro offers 20% more stainless steel per foot compared to many standard liners, providing enhanced durability and corrosion resistance. Its extreme flexibility allows for easy, problem-free installation in chimney systems with multiple offsets, making it ideal for wood stove liners, fireplace insert venting, and solid-fuel appliance applications. Available in 3-inch through 12-inch diameters, this stainless steel chimney liner system is listed to UL 1777 and ULC S635 standards for safe venting performance.
Designed for professional chimney restoration and venting upgrades, the DuraFlex Pro Tee Kit helps maintain proper flue gas flow, chimney draft, and appliance efficiency. The flexible stainless steel design supports efficient installation while protecting chimney structures from heat, moisture, and corrosive combustion byproducts. This 20-foot DuraFlex Pro stainless steel tee kit is a dependable solution for residential and commercial chimney relining projects, delivering long-lasting performance, safety, and trusted DuraVent quality.
Features
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DuraVent DuraFlex Pro 20' Stainless Steel Tee Kit: Premium 20-foot flexible chimney liner tee kit designed for professional masonry chimney relining, fireplace insert installations, and solid-fuel venting applications.
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Durable 316 Stainless Steel Construction: Manufactured with high-quality 316 stainless steel for superior strength, flexibility, and long-lasting corrosion-resistant chimney liner performance.
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Available in Multiple Diameters: Offered in 3-inch to 8-inch diameters to fit a variety of wood stove, fireplace insert, and heating appliance chimney systems.
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Multiple Flex Length Options: Available in 15’, 20’, 25’, 30’, and 35’ lengths to accommodate different chimney heights and installation needs.
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Flexible Chimney Liner Tee Design: Provides a reliable solution for chimney relining projects, helping connect appliances while improving venting performance and installation efficiency.
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Ideal for Offset Chimney Installations: DuraFlex Pro flexibility allows easier routing through chimneys with multiple offsets and complex configurations.
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Improves Flue Gas Flow: Supports efficient chimney draft, ventilation performance, and appliance operation by maintaining proper exhaust pathways.
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Professional Chimney Relining Solution: Perfect for masonry chimney restoration, stainless steel chimney liner replacement, fireplace insert venting, and wood-burning stove upgrades.
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Long-Lasting Venting Protection: Helps protect chimney interiors from heat, moisture, creosote buildup, and corrosive combustion gases.
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UL Listed Stainless Steel Chimney Liner: Meets UL 1777 and ULC S635 standards for safe, durable, and code-compliant flexible chimney liner installations.
Specifications
| Model |
Size |
Flex Length |
| 3DFPRO-20KT |
3" |
20 ft. |
| 4DFPRO-20KT |
4" |
20 ft. |
| 5DFPRO-20KT |
5" |
20 ft. |
| 55DFPRO-20KT |
5.5" |
20 ft. |
| 6DFPRO-20KT |
6" |
20 ft. |
| 7DFPRO-20KT |
7" |
20 ft. |
| 8DFPRO-20KT |
8" |
20 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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