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Figure 8. Vent System Components and Termination Kits
Step 3. Installing the Vent System
A. Vent System Approvals
These models have vent starting collars on both the top
and the back of the unit. Depending upon the installation,
decide which ONE set of starting collars will be used to
attach the vent system. The starting collar sealing cap must
remain on the starting collar NOT used.
These models use SL-D-series, direct vent components
when using the TOP vent collars and D-series direct vent
components when using the REAR vent collars.
The flame and ember appearance may vary based on the
type of fuel burned and the venting configuration used.
WARNING: YOU MUST NOT MIX D-SERIES
AND SL D-SERIES COMPONENTS IN ANY VENT
SYSTEM CONFIGURATION.
Vent System
Termination Kits
Vent System Components
Identifying Vent Components
Approved vent system components are labeled for identifica-
tion. This pipe is tested and listed as an approved compo-
nent of the fireplace. The pipe is tested to be run inside an
enclosed wall. There is no requirement for inspection open-
ings at each joint within the wall. There is no required pitch
for horizontal vent runs. NO OTHER VENTING SYSTEMS
OR COMPONENTS MAY BE USED. Detailed installation
instructions are included with each vent termination kit and
should be used in conjunction with this Installers Guide. Fig-
ure 7 shows vent system components and terminations.
The vent systems installed on this gas fireplace may in-
clude one, two, or three 90°
elbow assemblies. The rela-
tionships of vertical rise to horizontal run in vent configura-
tions using 90° elbows MUST BE strictly adhered to. The
rise to run relationships are shown in the venting drawings
and tables. Refer to the diagrams on the next several pages.
NOTE: Two 45° elbows may be used in place of one
90° elbow. Maximum and minimum rise to run ratios
must always be maintained in the vent system when
using 45° elbows.
HORIZONTAL
TERMINATION
WALL FIRESTOP
90 DEGREE
ELBOW
VERTICAL
TERMINATION
STORM COLLAR
ROOF FLASHING
HORIZONTAL PIPE
SUPPORT
PIPE LENGTH
WALL BRACKET
CEILING
FIRESTOP
DVK-01D
SLK-01D
SLK-01TRF*
DVK-TVCD
SL D-SERIES
D-SERIES
DVK-01TRD
DVK-01TRF*
DV-FLEX2-01TRF
SL-FLEX2-01TRF
SLK-991DA
SLK-01TRD
* For use with flex vent only.