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INSTALLATION
DURA-VENT FLUEING
COMPONENTS
The Simpson Dura-Vent Direct Vent System
offers a complete line of component parts for
installation of both horizontal and vertical installa-
tion. Many items are offered in decorative black,
as well as galvanized fi nish. The galvanized pipe
and fi ttings are used for concealed locations such
as attics or where corrosion is a factor, such as
above the roof line. Decorative brass trim kits
are available for both wall thimbles and ceiling
support boxes.
Part #
Description
971
Horiz. Termination Kit includes: 90
elbow, wall thimble cover, horiz. square
termination cap, 24" black pipe, 11" -14"
5/8" adjustable black pipe
970
Basic Horiz. Termination Kit includes: 90
black elbow, wall thimble cover, horiz.
square term. cap
978
Vert. Termination Kit includes 0/12 - 6/12
pitch adjustable fl ashing, storm collar,
low profi le term. cap
908B 6" Pipe Length-Black
907B 9" Pipe Length-Black
906
12" Pipe Length Galv.
906B 12" Pipe Length-Black
904
24" Pipe Length Galv.
904B 24" Pipe Length-Black
903
36" Pipe Length Galv.
903B 36" Pipe Length-Black
902
48" Pipe Length Galv.
902B 48" Pipe Length-Black
911B
11"-14 5/8" Adj. Pipe Length-Black
917B 17"- 24" Adj. Pipe Length Black
O
945
45
Elbow Galv.
O
945B 45
Elbow-Black
945G 45
O
Elbow-Swivel Galv.
945BG 45
O
Elbow-Swivel-Black
990
90
O
Elbow Galv.
990B 90
O
Elbow-Black
O
990G 90
Elbow-Swivel Galv.
O
990BG 90
Elbow-Swivel-Black
991
High Wind Term. Cap (Vertical)
980
Vertical Term. Cap
984
Horiz. Sq. Term. Cap
985
Horiz. Sq. High Wind Termination
Cap
982
Snorkel-14" Rise Term.Cap
981
Snorkel-36" Rise Term.Cap
940
Wall Thimble-Support/Box
941
Cathedral/Ceiling-Support/Box
3951
Brass Trim-WallThimble/Ceiling Sup-
port
963
Firestop Spacer
943
Flashing 0/12-6/12
943S Flashing 7/12-12/12
953
Storm Collar
950
Vinyl Siding Standoff
988
Wall Strap
942
Wall Thimble
16
Parts not supplied by Dura-Vent
946-506/P Vent Guard (Optional)
640-530
Riser Flue Terminal (Optional)
948-128
Vinyl Siding Shield for Riser
Flue Terminal
946-228
Horizontal Square Termination
Cap
You will require the following components with
your new Direct Vent Freestanding Gas Stove.
Please review your product to make sure you
have everything you need. In the event that you
are missing any part, contact your dealer.
Note: These are the minimum pieces re-
quired. Other parts may be required
for your particular installation. See
o
black
above for a list of fl ue parts.
If installing termination on a siding covered wall,
a vinyl siding standoff or furring strips can be
used in order to ensure that the termination is
o
not recessed into siding.
The vinyl siding standoff is required for walls
with vinyl siding.
Minimum components for a Dura-Vent
Horizontal Installation:
A) Dura-Vent Horizontal Termination Kit
B) Wall Thimble (required for combustible
walls)
Minimum components for a Dura-Vent
Vertical Termination:
D) Dura-Vent Vertical Termination Kit. See
above for pipe lengths.
DURA-VENT
HORIZONTAL
INSTALLATIONS
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 at-
tached. If this is the case, you may want to
adjust the location of the unit.
2) Direct Vent pipe and fi ttings
are designed with special
twist-lock connections to
connect the fl ueing sys-
tem to the appliance fl ue
outlet. A twist-lock appli-
ance adapter is installed
on the unit at the factory.
Assemble the
desired combi-
nation of pipe
and elbows to
the appliance
adapter with pipe seams oriented towards
the wall or ceiling, as much out of view as
possible. The fi nal positioning of the pipe
and 90
o
elbow assembly is determined by
the mounting orientation of the adapter on
the stove and twist-locked for a solid con-
nection.
Note:
a) Twist-lock procedure: Four indentations,
located on the female ends of pipes and
fi ttings, are designed to slide straight
onto the male ends of adjacent pipes
and fi ttings, 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 fi ttings. They may be
located by examining the inside of the
female ends. Apply sealant "Mill-Pac" to
inner pipe and high temp silicone sealant
to outer pipe on every twist-lock joint.
Diagram 1:
Hint: Apply
silicone to
female end.
b) Horizontal runs of fl ue must be supported
every three feet. Wall straps are available
for this purpose.
3) With the pipe attached to the stove, slide the
stove into its correct location, and mark the
wall for a 241mm x 241mm (inside dimen-
sions) square hole. The center of the square
hole should line up with the centerline of
the horizontal pipe, as shown in diagram
3. Cut and frame the 241mm square hole
in the exterior wall where the fl ue will be
terminated. If the wall being penetrated is
constructed of non-combustible material,
i.e. masonry block or concrete, a 178mm
diameter hole is acceptable.
Hampton HG35-1 Direct Vent Freestanding Gas Stove
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