Wood Burning Fireplace Insert S.S Liner Kits

National Chimney

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    Chimney Liner 6" kits for installation with your wood burning fireplace insert. These high quality stainless steel Liner kits are available as smooth wall double wall or single wall liner kits are very flexible and easy to install. Choose your length and optional insulation kit if you choose to insulate. These chimney liner kits come with the length of liner that you choose, cap, top plate and stove connector. Be save and warm if you have any questions or for more venting options please feel free to give us a call 1-855 485 4015 we accept all major credit cards!

    Made with the same upstanding quality as our CB standard kit; this kit is specialized for fireplace insert applications where a tee and tee end cap are not needed.  This kit has been outfitted with our stove adapter designed by those in the trade.  M-Flex Basic Liner Kits have a life time, transferrable warranty.  The Basic Liner Kit includes a UL 1777 listed and tested all fuel 316 .006” stainless steel liner, top kit, and stove adapter



M-Flex Smoothwall basic kit is specialized for fireplace inserts. It consists of a UL 1777 listed and tested all fuel 316L 2 ply liner, top kit, and stove adaptor.


Smoothwall basic kits come with a lifetime transferable warranty.