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Planning Your Dura-Vent
Installation
There are two basic types of Dura-Vent Direct
Vent System installations: horizontal termination
and vertical termination. Confi rm the maximum
horizontal run and maximum vertical rise.
When planning your installation, it will be nec-
essary to select the proper length of fl ue pipe
for your particular requirements. For horizontal
installations, determine the minimum clearance
from the rear of the unit to the wall. It is also
important to note the wall thickness. (The wall
thimble is suitable for 51mm x 102mm or 51mm
x 152mm wall construction.) Select the amount
Hampton HG35-1 Direct Vent Freestanding Gas Stove
DURA-VENT TERMINATION KIT
of vertical rise desired for "vertical-to-horizontal"
type installations.
Warning: Always maintain required
clearances (air spaces) to nearby com-
bustibles to prevent a fi re hazard. Do
not fi ll air spaces with insulation.
The minimum clearance requirements between
the outer wall of the fl ue pipe and nearby com-
bustible surfaces is 1-1/4 inch. Be sure to check
the fl ue termination clearance requirements
from decks, windows, soffi ts, gas regulators, air
supply inlets and public walkways as specifi ed
in the Exterior Flue Terminal Locations section
and in your local building codes.
The FPI AstroCap
Dura-Vent® and Direct Vent GS.
The FPI AstroCap
Dura-Vent® and Direct Vent GS are registered and/or proprietary trademarks of Simpson
Dura-Vent Co. Inc.
To determine the length of fl ue pipe required
for vertical installations, measure the distance
from the unit fl ue outlet to the ceiling, the ceiling
thickness, the vertical rise in an attic or second
storey, and allow for suffi cient vertical height
above the roof line.
For multi-storey applications, fi re stops are
required at each fl oor level. If an offset is
needed, additional pipe, elbows and supports
will be required.
Do not exceed the maximum number of elbows.
One 90
for vertical termination.
Dura-Vent Basic
Horizontal Kit # 970
o
1 90
Elbow
1 Wall Thimble Cover
1 Horiz. Sq. Term. Cap
TM
is certifi ed for installations using FPI fl ueing systems as well as Simpson
TM
is a proprietary trademark of FPI Fireplace Products International Ltd.
INSTALLATION
o
for horizontal terminations and two 45
o
15
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