Use for venting listed natural gas or liquid propane Category I, draft hood appliances, or appliances that have been specifically tested and listed to use Type B Gas Vent. The appliances listed typically use Type B Gas Vent systems, but not always: Furnaces, Water Heaters, Boilers, Room Heaters, Decorative Gas Appliances, and Unit Heaters. To calculate installed length, subtract 1 1/2ÿ from each connection of vent. A 1ÿ clearance (air space) to combustible materials must be maintained. To calculate OD add 5/8ÿ. DuraVent Part Number: 385

3" x 24" Type B Gas Vent, .012 Aluminum Inner Liner, .018 Galvanized Outer

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M&G DuraVent provides no warranty for the following professional products if such products are not installed by a trained professional installer: DuraTech®, DuraPlus HTC®, DuraChimney® II, PelletVent Pro®, DirectVent Pro®, FasNSeal®, FasNSeal® W2, FasNSeal® Flex, and PolyPro®, and M&G DuraVent's relining products including DuraLiner®, DuraFlex® (SW, Pro, 316, 304), and Ventinox®.
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Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause c