Description
Use for vertical terminations only. Provides improved performance in high wind conditions. For vertical terminations only.
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” - 30”: 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).
Technical Specifications
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• Type B Gas Vent Instructions (PDF, 3.7MB)
• DuraConnect Installation Instructions (PDF, 950KB)
Sales Sheets:
• Type B Gas Vent Specification Sheet (PDF, 1.5MB)
Catalogs:
• Type B Gas Vent Catalog Section (PDF, 3.4MB)
• DuraVent All Products Catalog (PDF, 47.4MB)
Bulletins:
• Type B gas Vent Oval Spacer Kits (PDF, 218KB)
• Type B Gas Vent Adapter Ecco Approval (PDF, 139KB)
• Universal B Vent To Aluminum Flex Adapters (PDF, 153KB)