DuraVent
DuraVent 35' Flex Pipe DuraFlex Pro Stainless Steel Tee Kit Length
DuraVent 35' Flex Pipe DuraFlex Pro Stainless Steel Tee Kit Length
The DuraVent 35' Flex Pipe DuraFlex Pro Stainless Steel Tee Kit Length is a high-quality flexible chimney liner system designed for superior performance in masonry chimney relining, fireplace insert venting, and wood-burning appliance installations. Manufactured with highly corrosion-resistant 316 stainless steel, DuraFlex Pro features 20% more stainless steel per foot compared to many standard liners, delivering exceptional strength, flexibility, and durability. Its advanced flexible design allows easy installation through chimneys with multiple offsets and complex layouts. Available in 3-inch through 12-inch diameters, this premium stainless steel chimney liner is listed to UL 1777 and ULC S635 standards for trusted safety and reliability.
The DuraFlex Pro Tee Kit provides an efficient chimney venting solution that supports proper flue gas flow, chimney draft, and heating appliance performance. Ideal for fireplace inserts, wood stoves, and chimney restoration projects, this 35-foot flexible stainless steel liner helps protect chimney structures from heat, moisture, and corrosive combustion gases. With DuraVent’s proven engineering, it offers a durable, code-compliant option for residential and commercial chimney relining applications, ensuring long-lasting ventilation performance and easier maintenance.
Features
- DuraVent DuraFlex Pro 35' Stainless Steel Tee Kit: Premium 35-foot flexible chimney liner tee kit designed for masonry chimney relining, fireplace insert venting, wood stove installations, and solid-fuel appliance applications.
- Durable 316 Stainless Steel Construction: Manufactured with corrosion-resistant 316 stainless steel for enhanced strength, long-term durability, and reliable chimney liner performance.
- Flexible Chimney Liner System: Engineered for superior flexibility, making installation easier in chimneys with multiple offsets, bends, and complex venting configurations.
- Available in Multiple Diameters: Offered in 3-inch to 8-inch diameters to provide compatibility with various wood-burning stoves, fireplace inserts, and heating appliances.
- Multiple Flex Length Options: Available in 15’, 20’, 25’, 30’, and 35’ lengths to meet different chimney relining and venting requirements.
- Complete Tee Kit Design: Provides a dependable stainless steel chimney liner solution for efficient appliance connection and improved venting performance.
- Enhances Flue Gas Flow: Helps maintain proper chimney draft, ventilation efficiency, and appliance operation by providing a smooth and durable vent pathway.
- Ideal for Chimney Restoration Projects: Perfect for chimney liner replacement, masonry chimney upgrades, fireplace insert installations, and wood stove chimney systems.
- Corrosion-Resistant Chimney Protection: 316 stainless steel construction helps protect against damage from heat, moisture, creosote, and corrosive flue gases.
- UL Listed Chimney Liner Application: Designed for reliable UL 1777 and ULC S635 compliant chimney relining systems.
Specifications
| Model | Size | Flex Length |
| 3DFPRO-35KT | 3" | 35 ft. |
| 4DFPRO-35KT | 4" | 35 ft. |
| 5DFPRO-35KT | 5" | 35 ft. |
| 55DFPRO-35KT | 5.5" | 35 ft. |
| 6DFPRO-35KT | 6" | 35 ft. |
| 7DFPRO-35KT | 7" | 35 ft. |
| 8DFPRO-35KT | 8" | 35 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 | |