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8
Installing Vent Pipes
A. Assembly of Vent Sections
Fire Risk
Exhaust Fumes Risk
Impaired Performance of Appliance
• Overlap pipe slip sections at least 1-1/2 inches.
• Use pilot holes for screws.
• Screws must not exceed one inch long.
• Pipe may separate if not properly joined.
Attaching Vent to the Firebox Assembly
To attach the fi rst pipe section to the collars, slide the male end of
the inner vent of the pipe section over the inner collar on the fi rebox
assembly. At the same time, slide the outer fl ue over the outer collar
on the appliance. Push the pipe section into the appliance collar until
all the lances (see Figure 8.1) have snapped in place. Tug slightly
on the section to confi rm it has completely locked into place.
Assembling Pipe Sections
Insert the inner fl ue of section A into the fl ared inner fl ue of section B.
Start the outer fl ue of section A over the outer fl ue of section B (see
Figure 8.2). Note: The end of the pipe sections with the lances/tabs
on it will face towards the appliance.
Once both inner and outer fl ues
are started, press section A onto
section B fi rmly until all lances
have snapped into place. Check
to make sure they have snapped
together (see Figure 8.3) and
the seams are not aligned (see
Figure 8.4). Tug slightly on sec-
tion A to confi rm it has completely
locked into place. It is acceptable
to use screws no longer than 1
inch to hold outer pipe sections
together. If predrilling holes, do
NOT penetrate inner pipe.
For 90° and 45° elbows that are
changing the vent direction from
horizontal to vertical, one screw
minimum should be put in the
outer fl ue at the horizontal elbow
joint to prevent the elbow from ro-
tating. Use screws no longer than
1 inch. If predrilling screw holes,
do NOT penetrate inner pipe.
26
(DVP Pipe ONLY)
WARNING
Note:
Make sure that the seams are not aligned to prevent unintentional disconnection.
Figure 8.4 Seams
Hearth & Home Technologies • BE-32 • InD • 2099-985 Rev. C • 9/06
Figure 8.1
Figure 8.2
CORRECT
Lances
A
B
Figure 8.3
INCORRECT
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