Secure Temp ASHT+
The proven solution for wood-burning fireplaces

The Secure Temp™ ASHT+ insulated stainless steel high-temperature chimney is listed to standards established for temperatures of up to 2100°F. Certified by Intertek (Warnock Hersey) to ULC-S604 for venting oil or gas and ULC-S610 standards for wood fireplaces, the ASHT+ chimney is now also certified to ULC-S629 standards for venting wood stoves applications (diameters 6", 7" and 8" only).
Features
- 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 with all diameters
- Available in 8", 12", 18", 24", 36" and 48" lengths
- All installation accessories made from aluminum-zinc coated steel to prevent rusting
- Tested and listed to ULC-S604 and ULC-S610
- Limited lifetime warranty
