CAN/ULC S604/MH7399|cULus Listed|UL 103 HT

• Supports up to 20 ft of DuraTech® chimney Can be installed above or below the tee Adjustable base slides easily to provide between 2 in and 6 in of clearance to the wall Can be used in place of tee support for chimneys under 20 ft or as an addition to tee support that goes beyond 50 ft

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 in wall design provides for easy installations through 16 in on center framing. For tight installations, a reduced clearance square ceiling support box is available (6 in Dia DuraTech® only). Designed for normal, continuous operation at 1000 deg F flue gas temperatures, DuraTech® is subjected to rigorous and stringent high temperature requirements of the UL standard, including 1 hr at 1400 deg F, plus three 10 min chimney fire test at 2100 deg F.