null 7'' DuraFlex PRO Tee Kit w/ 25' Flexible SS Chimney Liner
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7'' DuraFlexSS PRO Tee Kit with 25' Flexible Stainless Steel Chimney Liner - 7DFPRO-25KT

7'' DuraFlexSS PRO Tee Kit with 25' Flexible Stainless Steel Chimney Liner - 7DFPRO-25KT
MPN: 810002213
In Stock: Ships in 5 to 7 business days


DuraFlexSS PRO Tee Kit with 25' Flexible Stainless Steel Chimney Liner is perfect for relining your average height masonry chimney with multiple offsets. DuraFlex Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is manufactured utilizing highly corrosion resistant 316 Stainless Steel. Listed to UL 1777 and ULC S635.

Kit includes: DuraFlex SS Top Plate, DuraFlex SS Cap, DuraFlex SS Tee Connector, and DuraFlex PRO 25 Foot length.

See all 7" DuraFlex SS chimney liner components.

Additional Information:

DuraFlex SS relining systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation. DuraFlex is available in 304 and 316Ti stainless steel. The 304 and 316Ti SS are designed for use with pellet, non-condensing gas, and oil appliances. DuraFlex SS and 316Ti SS, when used with the Simpson DuraVent Two-Ply Insulation Sleeve, may be used for relining wood burning fireplace inserts and stoves to meet UL 1777 and ULC S635 standards with 0" clearance to masonry.

Adobe PDF Icon  Installation Instructions

California Proposition 65 Warning SymbolWARNING: 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 harmFor more information go to

  • 7" Diameter
  • Listed to UL 1777 and ULC S635
  • 0" clearance for gas, oil, and pellet applications
  • 1" clearance to masonry for wood-burning applications
  • Construction materials: .005" 316 stainless steel single wall
  • Kit includes: DuraFlex SS top plate, DuraFlex SS cap, Duraflex SS Tee connector, and DuraFlexPRO 25' liner length

Additional Information

Clearance Non-Clearance
Country Of Origin United States
Pipe Piece Tee
Type Chimney Liner Pipe
Diameter 7 Inch
Product Type Chimney Pipe
Left Overlay Image Made in America.png
HR-mail-only true
Brand DuraFlex SS


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