Install Vent Adapter Pipe (Simpson Dura-Vent Components); Side Wall Termination Assembly - Vermont Castings 3225 Installation And Operating Manual

Radiance Direct Vent/Natural Vent Gas Heater
Fig. 21 Fasten outer pipe with #12 x 1/2" sheet metal screw.
Install the Vent Adapter Pipe
(Simpson Dura-Vent Components)
1. Install the Restrictor Plate. Consult Page 7 to de-
termine whether the restrictor plate is needed. If so,
ST650
place the restrictor plate within the inner flue collar
install outer adpater
as shown in Figure 18.
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2. Discard the inner starter pipe shipped with the log-
set. Using the starter pipe assembly listed on Page
12, slide the inner section out to allow access.
• Run a bead of sealant around the bottom end of
the starter pipe and attach the assembly to the stove
using three 1/4-20 x 3/8" Phillips screws provided in
the parts bag. (Fig. 22)
3. Install the Outer Adapter Pipe. Orient the verti-
cal seam to the rear, and insert the crimped end of
the outer pipe into the flue collar. Fasten with three
sheet metal screws provided. (Fig. 23)
1/4-20 x
3/8" Phil-
lips Screws
Fig. 22 Simpson DuraVent - install inner adpater pipe.
1616
ST650
Inner Adpater Pipe
ST649
Fig. 23 Simpson Dura-Vent - install outer adapter pipe.

Side Wall Termination Assembly

1. Locate the vent opening on the wall. Refer to Page
6, Figure 5, to determine the opening centerline.
It may be necessary to first position the stove and
measure to find the hole location. Depending on
ST652
whether the wall is made of combustible materi-
dura vent
als, cut the opening to the size shown in Figure
attach outer assy
24. Combustible wall openings must be framed as
shown in Figure 24.
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CFM System
9³⁄₈"
(240mm)
9³⁄₈"
(240mm)
Combustible Wall
10"
DuraVent
(254mm)
System
10"
(254mm)
VO584-100
Fig. 24 Locate vent opening.
2. Measure the wall thickness and cut the wall 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
VO584-100
holes. (Fig. 25) NOTE: The wall sleeve is required
Vent Opening
in combustible walls only.
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3. Install the Wall Firestop/Sleeve assembly into the
wall cutout and fasten the firestop to the wall cutout
framing members. (Fig. 25)
ST651
Framing Detail
7¹⁄₂"
Noncombustible
Wall
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