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U39 ULTIMATE Direct Vent Freestanding Gas Stove
19
Diagram 10
Diagram 9
Diagram 8
Diagram 7
Diagram 6
7) Install the Wall Thimble in the center of the
10" square and attach with wood screws.
8) Slide the decorative wall thimble up to the
wall surface being careful not to scratch the
paint and attach with screws provided. Apply
decorative brass or chrome trim if desired.
See diagram 7.
DURA-VENT VERTICAL
TERMINATIONS
3) To install the Round Support Box/Wall
Thimble in a fl at ceiling, cut a 10 inch
square hole in the ceiling centred on the
hole drilled in Step 2. Frame the hole as
shown in diagram 10.
Diagram 5
Note: If installing termination on a siding
covered wall, a vinyl siding standoff
or furring strips must be used to
ensure that the termination is not
recessed into the siding. The four
wood screws provided should be
replaced with appropriate fasteners
for stucco, brick, concrete, or other
types of sidings.
5) Before connecting the horizontal run of vent
pipe to the vent termination, slide the black
decorative wall thimble cover over the vent
pipe, then slide the Wall Thimble (Part #
942) over the vent pipe.
6) 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 a suffi cient distance so as to
result in a minimum pipe overlap of 1-1/4
inches. Secure the connection between the
vent pipe and the vent cap by attaching the
two sheet metal strips extending from the
vent cap assembly into the outer wall of the
vent pipe. Use the two sheet metal screws
provided to connect the strips to the pipe.
Bend any remaining portion of the sheet
metal strip back towards the vent cap, so
it will be concealed by the decorative wall
thimble cover. See diagram 6.
4) If installing the vent termination to a wall with
vinyl siding, the Vinyl Siding Standoff must
be used. Attach the Vinyl Siding Standoff to
the Horizontal Vent Termination, but fi rst run
a bead of non-hardening mastic around its
outside edges, so as to make a seal between
vent cap and the standoff. Install the Vinyl
Siding Standoff (Part # 950) between the
vent cap and the exterior wall and attach
with the four wood screws provided. Seal
around the Vinyl Siding Standoff on all four
sides. Diagram 5. The arrow on the vent
cap should be pointing up. Insure that the
1-1/4" clearances to combustible materials
are maintained. See diagram 5.
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 Dia.
4. Do not attempt to enclose the Snorkel within
the wall, or any other type of enclosure.
Diagram 4
INSTALLATION
1) Maintain the 1-1/4"
clearances (air spaces) to
combustibles when passing
through ceilings, walls,
roofs, enclosures, attic
rafter, or other nearby
combustible surfaces.
Do not pack air spaces
with insulation. Check
the "Rigid Pipe Venting
Arrangments" section for
the maximum vertical rise of
the venting system and the
maximum horizontal offset
limitations.
2) Set the gas appliance
in its desired location.
Drop a plumb bob down
from the ceiling to the
position of the appliance
fl ue exit, and mark the
location where the vent
will penetrate the ceiling.
Drill a small hole at his point. Next, drop a
plumb bob from the roof to the hole previously
drilled in the ceiling, and mark the spot where
the vent will penetrate the roof. Determine
if ceiling joists, roof rafters or other framing
will obstruct the venting system. You may
wish to relocate the appliance or to offset,
as shown in diagram 9 to avoid cutting load
bearing members.