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Round Ceil-
ing Support /
Wall thimble
Pipe Section
Figure 20
Rear Vent:
ST975
Use components listed on Page 14 under 'Basic Straight
through-the-Wall Installation' for an installation where the
simpson
heater is parallel to the wall and the vent system extends
straight up
straight back through that wall.
8/07
1. Locate the vent opening on the wall. Refer to Figures 20
& 21 to determine the top of the opening centerline. It may
be necessary to first position the stove and measure to
find the hole location. Depending on whether the wall is
made of combustible materials, cut the opening to the size
shown in Figure 21. Combustible wall openings must be
framed as shown in Figure 21.
2. Measure the wall thickness and cut the zero clearance
sleeve sections to proper length (MAXIMUM 12").
Assemble the sleeve with the #8 sheet metal screws
supplied. Attach the firestop plate to the sleeve end with
the holes. (Figure 22) NOTE: The zero clearance sleeve
is required in combustible walls only.
16
Vertical High
Wind Termination
Cap (shown)
Storm Collar
Roof
Flashing
Ceiling Firestop
Cathedral
Ceiling Support
Box
90°Elbow
Vent Opening - Combustible Wall
10"
(254 mm)
10"
(254 mm)
Vent Opening - Noncombustible Wall
7¹⁄₂" Dia.
(190 mm)
Figure 21 - Locate vent opening. NOTE: Zero clearance sleeve
is required for combustible wall installations.
3. Install the Wall Firestop/Sleeve assembly into the wall
cutout and fasten the firestop to the wall cutout framing
members. (Figure 23)
10" x 10" (254 x 254 mm)
VO584-100a
Wall Opening
Vent Opening
Zero Clear-
ance Sleeve
7/07 djt
- Seal Around
18¹⁄₄"
(464 mm)
to
Center of
Opening
Seal Around
Terminal
Figure 22 - Intrepid minimum horizontal rear vent installation.
12"
(305mm)
Max. Length
ST950
install pipe thru wall
7/07
Figure 23 - Assemble the wall sleeve and firestop.
ZCS103
Zero Clearance Sleeve
& Firestop
12/6/99 djt
Framing Detail
Firestop
Wall Plate
All Components Must
Remain Concentric
Sleeve
#8 Sheet Metal
Screws
Firestop
20012761
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