Skip to navigation
Stainless Steel Flexible Liner Kits

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design.

How to Purchase

Stainless Steel Flexible Liner Kits


Marketing Assets (447 KB, PDF)
Smart Choice Warranty (171 KB, PDF)
  • Flex Liner Material - .006 316 Stainless Steel
  • Regular all-fuel SS Liner available in 4" to 8" diameters
  • Pellet Kits available in 3" to 4" diameters
  • Standard Flex Kit Lengths - 25' and 35'
  • Clearances - 0" between liner and masonry chimney interior with the insulation wrap
  • Can be installed on gas, oil or wood appliances
  • Insulation-wraps available in 10' lengths
  • Listed to ULC-S635 in Canada and UL 1777 in US
  • Limited Lifetime Warranty


SS Flexible Liner Catalog IMG (4 MB, PDF)