DuraVent 20' Flex Pipe Length DuraFlex 304 Stainless Steel Basic Kit

The DuraVent 20' DuraFlex 304 Stainless Steel Basic Kit is a premium chimney liner kit designed for efficient masonry chimney relining in residential and commercial heating systems. Featuring a 20-foot flexible 304 stainless steel chimney liner, this kit is ideal for wood-burning fireplaces, wood stoves, non-condensing gas appliances, and oil-fired heating equipment with minimal chimney offsets. Its lightweight yet durable construction allows for easier installation while delivering dependable venting performance. The DuraFlex 304 system is UL 1777 and ULC S635 listed, ensuring trusted safety, durability, and code compliance.

Built for long-lasting reliability, the DuraFlex 304 stainless steel chimney liner kit helps improve flue gas flow while protecting masonry chimneys from corrosion, heat, and condensation. This 20-foot chimney liner basic kit is an excellent choice for chimney restoration, fireplace inserts, furnaces, boilers, and oil heating systems, offering a complete solution for vent upgrades. Engineered by DuraVent for professional performance, it provides outstanding flexibility, efficient operation, and dependable protection for modern heating appliance venting applications.

Features

• DuraVent 20' DuraFlex 304 Stainless Steel Basic Kit: Complete flexible chimney liner kit designed for reliable masonry chimney relining and professional venting installations.
• Premium 304 Stainless Steel Construction: Manufactured with durable 304 stainless steel chimney liner material for excellent corrosion resistance, strength, and long-lasting performance.
• 20-Foot Flexible Chimney Liner: Includes a 20-foot flex pipe length to support chimney restoration projects and extended venting applications.
• Multiple Diameter Options: Available in 3" to 8" diameters, providing compatibility with a variety of wood stoves, fireplaces, furnaces, boilers, and oil heating appliances.
• Flexible Length Choices: Offered in 15', 20', 25', 30', and 35' lengths to meet different chimney height and installation requirements.
• Designed for Multiple Fuel Applications: Suitable for solid fuel, non-condensing gas, and oil-fired appliances requiring a dependable chimney liner solution.
• Simplifies Chimney Relining: Flexible design helps navigate chimney pathways while reducing installation challenges in masonry chimney systems with minimal offsets.
• UL Listed Chimney Liner System: Part of the trusted DuraVent DuraFlex 304 series, providing a safe and reliable UL 1777 listed chimney relining solution.
• Professional Venting Upgrade Solution: Ideal for fireplace inserts, wood-burning stoves, gas appliances, and chimney restoration projects.

Specifications

Downloads

• Product Catalog
• Instruction Manual