cULus Listed|UL 103|ULC S604 MH7399

• Designed for appliances that are tested and listed for use with a 1700 deg F rated chimney system, such as zero clearance or masonry fireplaces, furnaces, boilers, water heaters, ranges or other appliances fueled by oil, coal, gas or wood Requires fastening with screws Allows the installer to safely and easily connect and disconnect chimney sections without mechanical fasteners Encases insulation to prevent exposure to outside elements No locking bands required Corrosion-resistant stainless steel with the smallest amount of expansion when exposed to heat Prevents hot spots from appearing which could cause a fire Thickest inner wall construction in the industry providing the best protection from creosote fires Lightweight Thermo Tech insulation makes pipe sections lighter (5 ft-lb for 6 in Dia) to allow the manufacture of 5 ft lengths, thus the installer has fewer trips up the ladder for a quick and easy installation

DuraVent® offers DuraTech® in large diameters to vent largescale residential fireplaces and building heating appliances. DuraTech® chimney is tested and listed for continuous operation at 1000 deg F and 10 min at 1700 deg F, in accordance with the UL 103 test standard.