Available in stainless steel (SS) or in a galvalume (GA) outer casing and stainless steel inner wall with twist-lock connections. Features: Inner Diameter: 7" Outer Diameter: 9" Height: 6-1/2" Optional Spark Arrestor Screen (Sold Separately) Material: Stainless Steel 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. 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.
Please contact the seller directly for warranty information for this product. You may also be able to find warranty information on the manufacturer’s website.