Flatfire
Direct Vent Gas Fireplace
Venting
Approved Vent
Terminations
Simpson
DuraVent GS/Pro
Selkirk
Direct-Temp
AmeriVent
Direct
Metal Fab
Direct Vent
ICC EXCEL
Direct
Vertical Cap
46DVA-VC 4DVT-VC
4DHC 4DVA
VC
Horizontal Cap
46DVA-HC
4DVC
TM
4HT
TM 4DHT
Snorkel
46DVA-SNK14
The Flatfire Direct Vent Gas Fireplace has be
ested and listed for installation with 4” X 6
⅝
”
en
impson DuraVent GS/Pro®, Selkirk Direct-Temp®
,
ICC
g components.
e vent
rt abo
needed, p
ed for use.
gly.
llation
t
S
AmeriVent Direct™, Metal Fab Direct Vent, and
EXCELDirect ventin
Although you may use the pipe com
ts
ponen
(straight pipe, elbows, etc.) from any of the listed
manufacturers, you may only use th
terminations (caps) listed in the cha
. For
ve
installations where a snorkel is
lease note
that only one snorkel is approv
Please
plan your installation accordin
For all specific venting insta
requirements, follow the installation
instructions included by the venting
manufacturer with the venting system
components you have chosen.
Please note:
ot of
l
er
to accommodate those installations without the
use of any additional venting components other
than a standard horizontal cap. See the char
above for a list of approved vent caps.
d
e
requirements and the chart above for a list of
approved vent caps before you plan your
For
venting
configurations that include no
vertical rise, a total horizontal vent run of up to
12 inches is allowed. However, if your
installation has room to add a vertical pipe
section, we suggest adding at least one fo
vertical rise to the system.
For
venting
configurations that include vertica
rise, it is assumed that the installation will
include at least one 90° elbow. Up to three
additional 90° elbows (or equivalent 45°
elbows) may also be used. The number of
elbows impacts the maximum allowable
horizontal vent run.
The total venting may not exceed 60 feet of
vertical rise and/or 20 feet horizontal run.
Custom testing is available for installations ov
the limits for approvals. Refer to the Venting
Chart on the following page for specific details
while you plan your installation.
Many installations will involve venting directly
through standard 2 x 4 or 2 x 6 construction
exterior wall to a horizontal vent termination
(cap). The vent starter pipe has been designed
t
If the Flatfire fireplace will be installed on an
interior wall or other location that precludes
venting directly through an outside wall to a
horizontal vent cap, or if the distance to the
outside wall exceeds 12”, one or more elbows
will be required to allow addition of the require
vertical venting to the installation.
When vertical venting is required, the fireplac
venting may be terminated with either a vertical
or horizontal vent cap depending on the
specifics of the installation. Refer to the Venting
Chart on the following page for specific venting
installation.
A minimum clear space of 1½” must be
maintained around the vent pipe where it
penetrates the first combustible wall adjacen
the fireplace (either the outside wall for the
direct-through-the-wall installation or the
partition wall for the 45° or other interior wall
installations) and must also be maintained
where the vent pipe penetrates any other
interior or exterior wall, ceiling, or roof.
The Flatfire may also be installed in front of an
exiting fireplace opening. Refer to the vent
t to
manufacturers’ instructions. Use the vertical
n
venting column (0 feet horizontal run) in the
venting chart to determine the requirements
depending on the height of chimney.
The location of the vent termination must meet
the requirements of the current edition of ANSI
Z223.1/ NFPA 54, National Fuel Gas Code or
CAN B149.1, Natural Gas and Propane
Installation Code and the requirements show
in the Venting Terminal Clearances section of
this manual on page 5.
Page 6 of 25
Version 10-09
