Security Insulated Flue

In Stock


The ultimate all-fuel chimney solution

At Hechler’s Hearth & Home, we stock the Secure Temp™ ASHT+ insulated stainless steel high-temperature chimney. It is listed to standards established for temperatures of 2100°F for venting solid-fuel, oil, gas and coal appliances.

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  • Twist-lock assembly for fast, easy and secure installation—no screws or other attachments required
  • Double-lapped flue seam provides radial expansion with the highest level of durability
  • Smooth finish for safe handling during installation
  • Secura Plus™ insulation, pressure-packed to increase flue temperatures for faster start-up, better draft and improved performance
  • Available in 5″ to 10″ inside diameters
  • 2″ safety clearance from combustible materials
  • Available in 8″, 12″, 18″, 24″, 36″ and 48″ lengths
  • All installation accessories made from aluminum-zinc coated steel to prevent rusting
  • Lengths also available in aluminum-zinc coated steel exterior casing for cost savings
  • Tested and listed to UL-103HT
  • Limited lifetime warranty

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