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Unit Installation with Horizon-
tal Termination
Install the vent system according to the
manufacturer's instructions included with the
components.
1. Set the unit in its desired location. Check to
determine if wall studs or roof rafters are in
the way when the venting system is attached.
If this is the case, you may want to adjust the
location of the unit. Rough in the gas preferably
on the right side of the unit and the electrical
(junction block is on the left side) on the left.
2. Direct Vent pipe and fittings are designed with
special twist-lock connections to connect the
venting system to the appliance flue outlet. A
twist-lock appliance adaptor is an available
option that must be used in conjunction with
the Simpson Dura-Vent Direct Vent system.
3. Put a bead of Mill-Pac inside the outer section
of the adapter and on the inner collar. Slip the
adapter over the existing inner and outer flue
collar and fasten to the outer collar only with the
3 supplied screws (drilling pilot holes will make
this easier). Level the fireplace and fasten it to
the framing using nails or screws through the
nailing strips.
4. Assemble the desired combination of pipe and
elbows to the appliance adaptor and twist-lock
for a solid connection.
Notes:
a) Twist-lock procedure: Four indentations,
located on the female ends of pipes and
fittings, are designed to slide straight onto
the male ends of adjacent pipes and fittings,
by orienting the four pipe indentations so
they match and slide in to the four entry slots
on the male ends, Diagram 1. Push the pipe
sections completely together, then twist-
lock one section clockwise approximately
one-quarter turn, until the two sections are
fully locked. The female locking lugs will not
be visible from the outside, on the Black
Pipe or fittings. They may be located by
examining the inside of the female ends.
Diagram 1
NOTE: For best results and optimum perfor-
mance with each approved venting system,
it is highly recommended to apply "Mill-
Pac" sealant (supplied) to every inner pipe
connection. Failure to do so may result in
drafting or performance issues not covered
under warranty.
b) Horizontal runs of vent must be supported
every three feet. Wall straps are available
for this purpose.
5. Mark the wall for a 10" x 10" square hole. The
center of the square hole should line up with
the centerline of the horizontal pipe. Cut and
frame the 10 inch square hole in the exterior
wall where the vent will be terminated. If the
wall being penetrated is constructed of non-
combustible material, i.e. masonry block or
concrete, a 7"(178mm) dia. (7-1/2"(191mm)
dia. for flex) hole is acceptable.
Note: With Dura-Vent, the minimum height is
achieved by installing a 90
o
elbow directly to
the rigid pipe adaptor.
Notes:
a) The horizontal run of vent must be level,
or have a 1/4 inch rise for every 1 foot
of run towards the termination. Never
allow the vent to run downward. This
could cause high temperatures and may
present the possibility of a fire.
b) The location of the horizontal vent
termination on an exterior wall must meet
all local and national building codes, and
must not be blocked or obstructed. For
External Vent Terminal Locations, see
Exterior Vent Termination Location.
c) Snorkel Terminations:
For installations requiring a vertical rise
on the exterior of the building, 14-inch
and 36-inch tall Snorkel Terminations
are available, as well as the standard
Riser Vent. Follow the same installa-
tion procedures as used for standard
Horizontal Termination. NEVER install
the snorkel upside down.
Below Grade Installation
If the Snorkel Termination must be installed below
grade, i.e. basement application, proper drainage
must be provided to
prevent water from
entering the Snorkel
Termination. Refer
to Diagram 4. Do
not attempt to en-
close the Snorkel
within the wall, or
any other type of
enclosure.
Diagram 2
installation
Note: Riser Vent
is only for use
in above grade
terminations.
Diagram 3
*Diagrams 3 & 4: As specified in CGA B149
Installation Code. Local codes or regulations
may require different clearances.
6) The arrow on the vent cap should
be pointing up. Insure that the 1-1/2"
clearances to combustible materials
are maintained (Diagram 4). Install the
termination cap.
Diagram 4
NOTE: For Snorkel terminations
ABOVE
grade installations,
follow national or local code
requirements.
G600C Gas Fireplace | 57
Grandview
®
in
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