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| Type B Gas Vent
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Applications
DuraVent's Type B Gas Vent system. Use with natural gas or liquid propane category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent. Applications include: natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.
Materials and Construction
Round Type B Gas Vent 3" - 8" and oval 4" - 6": Aluminum .012" inner wall, galvanized .018" outer wall. Round Type B Gas Vent 10" - 16": Aluminum .016" inner wall, galvanized .021" outer wall. Round Type B Gas Vent 18" - 3": aluminum .020" inner wall, galvanized .021" outer wall. 3"-16" diameters feature twist-lock fittings, screws required for 14" and larger diameters.
Clearances
1" clearance to combustibles in single and multi-family dwellings.
Diameters
3"- 30" Round Diameter. 4", 5" and 6" Oval.
Listings
UL Listed to UL 441 and UL 1777 (MH6357). ULC Listed to ULC S605 (CMH1276 & CMH1407). |
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