3" DuraFlexAL 25' Aluminum Gas Chimney Liner - 3DFA-25

DuraFlex Aluminum Gas Flex Liner is available in 3" to 8" diameters and in 25', 35', and 50' lengths.

See all 3" DuraFlex AL Chimney Liner Components.

Additional Information:

DuraFlex AL is an economical venting system used for relining masonry chimney for natural gas or liquid propane category I, draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gas fired furnaces, boilers, water heaters, and wall or space heating applications. DuraFlex AL also protects the masonry chimney from the damaging effects of flue product condensation.

DuraFlex AL Relining Systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation. DuraFlex AL, an aluminum relining system, provides and economical means to reline masonry chimney for Category 1 gas furnaces, water heaters, fireplace inserts, and non-condensing boilers and comes with a Lifetime Limited Warranty. DuraFlex AL flexible aluminum liner and components are UL Listed.

  Installation Instructions

• Diameter: 3"
• Construction material: Single wall .010" aluminum (2-ply of .005")
• Clearances: 0" to Masonry
• Listings: Listed to UL 1777 and ULC S635
• 25' of Flexible pipe length

WARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to http://www.P65Warnings.ca.gov.