8DT-21TA 9611 DuraTech 14" to 21" Adjustable Length Pipe 8" Diameter Stainless Steel inner and outer
The Duratech Adjustable Class A Chimney Pipe will allow you to adjust the length from 14" to 21" once connected to create a solid, secure connection. This peice of pipe is optimal to use when your installation requires you to use elbows for an offset in the attic space or around your eaves. This piece solves that problem. 1" Double wall insulated pipe. 430 Stainless Steel Inner Wall .021" Galvalume Steel outer wall.
Stainless Steel inner and out shell. Stock Photo
5"-8" DuraTech 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.
Materials and Construction
5”-8” diameter pipe features inner wall of .020” 430 stainless steel. Outer wall options of .016” 430 stainless steel or .021” galvalume steel.
A Thermal Tech (ceramic refractory) blanket insulation is encased between walls. Stainless steel end rings seal the pipe.
DuraTech features light weight insulation, twist-lock fittings, support boxes with factory installed starter sections, elbows with 360° swivel base, select black finish pipe lengths, and five foot length pipe sections.
2" clearance to combustibles.
UL Listed with DuraVent shroud specifications. Information available online or call and request L157.
c-UL-us Listed to UL 103 HT and ULC S604 (MH7399) (Stainless steel outer wall required for installation in Canada.)
WHAT IS ALL-FUEL? A system designed and built to exhaust wood, coal, oil, or gas fired low heat residential appliances. These systems are commonly called a "Class A chimney" or a "Factory built chimney". These are mainly used on free standing stoves, furnaces, and fireplaces. This product comes in double wall or triple wall construction. This type of system is listed to UL 103, UL 103HT, ULC S629, or ULC S604.
With a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney 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. No locking bands or mechanical fasteners required.
DuraTech's sleek 1" wall design provides for easy installations through 16" on-center framing. For tight installations, a Reduced Clearance Square Ceiling Support Box is available (6" diameter DuraTech only).
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