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Security Insulated Flue

Secure Temp™ ASHT+

The ultimate all-fuel chimney solution

Secure Temp™ ASHT+
Hechler's Hearth & Home 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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Click here to view an installation guide



  • 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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  • -1 Units in Stock

This product was added to our catalog on Saturday 28 May, 2011.

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