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UNIT INSTALLATION WITH
HORIZONTAL
TERMINATION
(Rigid Vent Systems)
A top clearance of 3"(76mm) and side & bottom
clearance of 2"(51mm) must be maintained;
except when passing through a wall, ceiling, or
at the termination where the use of a firestop
or wall thimble reduces the required clearance
to 1-1/2" (38mm). We recommend framing a
11"(279mm) x 11"(279mm) (inside dimensions)
hole to give structural rigidity for mounting the
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.
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 required.
3) In conjunction with the Simpson Direct Vent Pro
system, install the adaptor after the unit is set
in its desired location. 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. Fasten to the outer
collar only with the 3 supplied screws (drilling
pilot holes will make this easier).
4) Level the fireplace and fasten it to the framing
using nails or screws through the top and side
nailing strips.
5) Assemble the desired combination of pipe and
elbows to the appliance adaptor and twist-lock
for a solid connection.
Note: For best results and optimum performance
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.
Horizontal runs of vent must be supported every
3 feet (0.9meter). Wall straps are available for
Diagram 1
this purpose.
6) Mark the wall for a 11" x 11" (279mm x 279mm)
square hole. The center of the square hole
should line up with the center-line of the
horizontal pipe. Cut and frame the 11 inch
(279mm) square hole in the exterior wall where
the vent will be terminated. See diagram 2 for
center line requirements.
If the wall being penetrated is constructed of
non-combustible material, i.e. masonry block
or concrete, an 8" (203mm) diameter hole is
acceptable.
Note:
a) The horizontal run of vent must be level, or
Diagram 2
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. See
"Exterior Vent Termination Locations"
section for more details.
installation
7) Ensure that the pipe clearances to combustible
materials are maintained (Diagram 5). Install
the termination cap.
Note: If installing termination on a vinyl siding
covered wall, a vinyl siding standoff or
furring strips must be used to ensure
that the termination is not recessed into
the siding.
Diagram 5
The four wood screws provided should be
replaced with appropriate fasteners for stucco,
brick, concrete, or other types of sidings.
8) Before connecting the horizontal run of vent pipe
to the vent termination, slide the Wall Thimble
over the vent pipe. The wall thimble is required
for all horizontal terminations.
9) Slide the appliance and vent assembly towards
the wall carefully inserting the vent pipe into the
vent cap assembly. It is important that the vent
pipe extends into the vent cap sufficient distance
so as to result in a minimum pipe overlap of
1-1/4 inches (32mm). Secure the connection
between the vent pipe and the vent cap.
10) Install wall thimble in the center of the 11"
(279mm) square and attach with wood screws
(Diagram 7).
UNIT INSTALLATION WITH
Diagram 7
Regency Horizon
®
HZ54E-10 Gas Fireplace
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