DuraTech Locking Bands add extra security at the pipe, elbow, and tee joints. This item is optional.
is a double-wall, all-fuel chimney system for use with wood stoves,
fireplaces, furnaces, boilers, ranges, water heaters, or other
appliances fueled by wood, oil, coal, or gas, and zero-clearance
fireplaces that are factory-built.
Diameter: 8" Construction Material: Galvalume SteelClearance: 2" clearance to combustiblesListings: c-UL-us Listed to UL 103 and ULC S604 (MH7399)
Dimensional Weight: 1.00 LB
With a Thermal Tech blanket insulation encased
between duel walls, DuraTech offers superior safety and performance. It
keeps the outer wall cool while ensuring high flue gas temperatures for
optimum draft performance. The inner wall is 25% thicker than
competitive chimneys, for an extra margin of safety. Designed for
normal, continuous operation at 1000°F flue gas temperatures, DuraTech
is subjected to rigorous and stringent HT requirements of the UL
standard, including one hour at 1400°F, plus three ten minute chimney
fire tests at 2100°F.