National Chimney

National Chimney M-Flex Wood-Burning Insert Basic Liner Kit

$633.58
$633.58
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National Chimney M-Flex Wood-Burning Insert Basic Liner Kit

The National Chimney M-Flex Wood-Burning Insert Basic Liner Kit is a premium venting solution engineered for wood-burning fireplace inserts and wood stoves. Designed to deliver exceptional durability and performance, this UL-listed chimney liner kit features a high-quality 316 stainless steel chimney liner that offers superior resistance to corrosion and high temperatures. The kit also includes a convenient stove adapter with an EZ clamp and a complete top kit, ensuring a secure fit and hassle-free installation for both homeowners and professional installers.

Enhance the safety and efficiency of your heating system with the National Chimney M-Flex Basic Liner Kit. This flexible chimney liner kit promotes optimal draft performance, improved ventilation, and long-lasting reliability for your wood stove chimney system. Ideal for chimney relining projects, this stainless steel chimney liner kit provides a dependable solution for maintaining proper exhaust flow while maximizing the performance of your wood-burning appliance.

Features

  • Premium 316 Stainless Steel Chimney Liner – Constructed from mill-certified 316 stainless steel, offering exceptional corrosion resistance, heat tolerance, and long-lasting durability for wood-burning fireplace inserts and wood stoves.
  • UL 1777 Listed Chimney Liner Kit – Tested and certified to UL 1777 standards, ensuring safe and reliable venting performance for wood, coal, oil, gas, and pellet-burning appliances.
  • EZ Clamp Stove Adapter – Features a convenient EZ clamp stove adapter that creates a secure, tool-free connection between the flexible chimney liner and stove or insert collar for quick installation.
  • Complete Chimney Liner Kit – Includes a 316 stainless steel liner, EZ clamp adapter, rain cap, and 13" x 13" top plate, providing everything needed for a professional chimney relining project.
  • Heavy-Duty Flexible Construction – Manufactured from .006" thick stainless steel for the ideal balance of strength, flexibility, and easy maneuverability through existing masonry chimneys.
  • Improves Wood Stove Efficiency – Enhances draft performance, promotes cleaner combustion, and helps maximize the heating efficiency of your wood-burning stove or fireplace insert.
  • Reduces Creosote Buildup – The smooth interior surface supports improved airflow and helps minimize creosote accumulation, contributing to safer chimney operation and easier maintenance.
  • Weather-Resistant Protection – Includes a durable rain cap and top plate designed to prevent moisture, debris, and animals from entering the chimney system.
  • Multiple Sizes Available – Offered in 15', 25', and 35' lengths with 6-inch and 8-inch diameters to accommodate a wide range of chimney liner installation requirements.
  • Ideal for Chimney Relining Applications – A dependable stainless steel chimney liner kit designed for upgrading existing chimneys and creating a safe, efficient venting system for wood-burning heating appliances.

Specifications

Diameter Length Material SKU
6" 15' 316 Stainless Steel CB615BK
6" 25' 316 Stainless Steel CB625BK
6" 35' 316 Stainless Steel CB635BK
8" 15' 316 Stainless Steel CB815BK
8" 25' 316 Stainless Steel CB825BK
8" 35' 316 Stainless Steel CB835BK

Warranty

  • Limited Lifetime Warranty

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