Type B Gas Vent Pipe

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$15.09 to $121.28
SKU: Type B Gas Vent Pipe
DESCRIPTION: Type B Gas Vent Pipes can be used with Category I natural gas and propane fueled appliances such as furnaces, water heaters, boilers and fireplaces. These pipes are made with a durable double layer construction with a 0.012" aluminum inner liner and a 0.018" steel outer wall. The components in this system join with secure twist-lock connection, and the entire system requires only a 1" clearance to combustibles.
$15.09 to $121.28
  • Efficiently vents Category I natural gas and propane fueled appliances
  • 25-year warranty
  • Secure twist-lock connections
  • UL and ULC Listed
Type B Gas Vent

DuraVent's innovative system for a lock-tight connection for Type B Gas Vent called DuraLock. See the alignment indicators meet; feel the ends grasp together; hear the snap as the connection firmly locks into place.

DuraVent Type B Gas Vent is designed to meet the rugged demands of the job site. The inner wall is recessed to eliminate damage in handling. Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation of the appliance with minimal condensation in the appliance and vent system. 

Pipe lengths are available in multiple lengths, 6 to 60 inches, with a full complement of adjustable and rigid fittings. Type B gas vents are not suitable for use with wood-burning or coal applications, industrial ovens, exhaust ranges and hoods, grease or pollution ducting, or as free-standing exhaust vents for high-temperature applications.

To calculate installed length, subtract 1 1⁄2” from each connection of vent. A 1” clearance (air space) to combustible materials must be maintained. To calculate OD add 5⁄8”.
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).
Installation Instructions:
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 )

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