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Venting System Assembly - Direct Vent
For U.S. installations: The venting system must conform
with local codes and/or the current National Fuel Gas Code,
ANSI Z223.1/NFPA 54.
For Canadian installations: The venting system must
conform to the current CSA B149.1 installation code.
Install the Vent Adapter Pipe
(HHT Vent Components)
1. Install the Restrictor Plate: Consult the 'Vent Run
Specifications' to determine whether the restrictor plate
is needed. If so, put the restrictor plate in place within the
inner flue collar as shown in Figure 16.
Figure 16 - Install the restrictor plate only if required for the venting
configuration.
2. Attach Inner Starter Pipe, (found in with the logset), to
the next section of inner pipe.
• Run a bead of sealant about 1/2" from the upper end
of the Inner starter pipe and join the two sections
ST759
together.
Dutchwest
• Drill three pilot holes into the Inner Starter and secure
restictor plate
the assembly with three sheet metal screws. (Figure
5/15/03
17)
3. Dry fit the Outer pipe assembly to the stove for the
purpose of determining the center line of the pipe on the
wall.
• Side Wall Terminations: Dry fit the outer elbow with
the vertical outer vent and confirm the centerline
alignment with the wall thimble opening.
Remove the pipes and elbows before continuing with
Step 4.
4. Attach the Inner Vent Assembly to the stove:
• Run a bead of sealant around the bottom end of the
starter pipe and attach the assembly to the stove
using three 1/4-20 x 3/8" Phillips screws provided in
the parts bag. (Figure 18)
3-90-693831
Hearth and Home Technolgies • Oxford Direct Vent Installation Manual_R6 • 08/17
5. Install the Outer Adapter Pipe: Apply a 1/4" bead of
cement around the inside wall of the pipe, about 1" from
the end. Insert the pipe over the stove flue collar, keeping
the vertical seam oriented to the back of the stove. Also,
be sure to align holes on the pipe with the holes on the
flue collar of the firebox. Fasten the pipe to the holes in
the flue collar with the #12 x 1/2" sheet metal screws
provided. (Figure 19)
4" Inner
Starter Pipe
Figure 17 - Connect the inner starter with the next section of inner
vent pipe.
ST211
attach inner pipe
to next section
12/4/99 djt
Figure 18 - Attach inner assembly to flue collar.
ST760
attach inner assy
5/15/0 3 djt
Figure 19 - Fasten outer pipe with #12 x 1/2" sheet metal screw.
ST761
attach inner assy
5/15/03 djt
First Section of
Vent Pipe
#8 x 1/2" Sheet
Metal Screws
14
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