Type-B Gas Vent
is a chimney venting system that is specifically designed to make use of
air within the room to aid combustion. Type-B DuraConnect Gas Vent Pipe is a low-cost,
space saving chimney venting system that is relatively easy to install.
Type-B Gas Vent features a durable build that is designed to meet the rugged
demands on the job site with inner walls that are recessed to eliminate
damage in handling during installation.
Type-B Gas Vent Pipe features twist-lock connections, and
precision wedged fittings which offer a superior positive-lock connection
that is fast and easy to assemble. When necessary, Type-B Gas Vent Systems
can also be disconnected without damage to the product.
Dura Vent Type-B Gas Vent Pipe 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 DuraConnect Gas Vent Pipe Features and Benefits
Type-B DuraConnect Gas Vent features a heavy gauge aluminum liner
to provide fast warm-up.
This allows Type-B Gas Vent to create a quick, strong draft and provide
corrosion resistance for safe and trouble-free performance.
Type-B Gas Vent Pipe features male and female ends
that are hemmed to provide structural
integrity and prevent ovalization. The hemmed edges on Type-B Gas Vent
chimney systems also eliminate sharp edges that can cause injuries on
the job site. Damage in handling is also avoided due Type-B Vent's recessed
liner.
Type-B Gas Vent features die formed ends to ensure
a consistent fit, easy twist-lock assembly, and proper alignment.
Type-B Gas Vent Pipe feature inverse beads
to add rigidity and ensure proper spacing between the inner liner and
outer wall. The inverse beads also seal the air chamber between the
inner liner that heats up rapidly and the outer walls. As a result,
the inner liner of Type-B DuraConnect Vent Pipe is allowed to heat up rapidly
and remain hot during fireplace operation to minimize the effects of
condensation.
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.
Type-B Gas Vent Pipe Applications
Type-B Gas Vent Pipe is for use with natural gas or liquid
propane category I and draft hood equipped appliances, and appliances
tested and listed to use Type-B DuraConnect Gas Vent Pipe. Type-B
DuraConnect Gas Vent applications include:
natural gas fireplaces, gas-fired furnaces, boilers, water heaters,
and wall or space heating applications
Type-B DuraConnect Gas Vent Listings
UL Listed to UL 441 and UL 1777 (MH6357)
ULC Listed to ULC S605 (CMH1276 & CMH1407)
Type-B Gas Vent Clearances
1" Clearance to combustibles in single and multi-family
dwellings
Type-B DuraConnect Gas Vent Diameters
3"-30" Round Diameter
4", 5" and 6" Oval
Type-B Gas Vent Materials and Construction
Round Type-B Gas Vent 3" - 8" and oval 4" - 6":
Aluminum .012" inner wall, galvanized .018" outer wall
3" - 16" Diameters feature twist lock fittings,
screws required for 14" and larger diameters
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