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15
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
*Firestop/Spacer (SV4.5HF) shown
on the exterior side of the wall. It
may also be installed on the
interior side.
SV4.5 HTSS
Termination
Shown.
10¹⁄₂"
(267 mm)
7"
(178)
5¹⁄₈"
(130 mm)
12¹⁄₈"
(308 mm)
Note: Centerline of Vent
Piping is NOT the Same as
the Centerline of the
Framed Opening.
6 to 48 inch Vent Section,
Telescopic vent section,
Elbow or Appliance Collar
See Figure 9 on page
7 for Min. Distance to
Base of Appliance.
Base of Appliance
3"
(76 mm)
1"
(25.4 mm)
*Note - Firestop/Spacer integral
with round termination
(SV4.5HTR)
See Venting Figures for Use
Restrictions on the Horizontal
Round Termination (SV4.5HTR).
Adapter
SV4.5RCH
*Note - When using Secure Flex
use Firestop/Spacer SF4.5HF
*Firestop/Spacer (SV4.5HF) shown
on the exterior side of the wall. It
may also be installed on the
interior side.
SV4.5 HTSSL
Termination
10¹⁄₂"
(267 mm)
7"
(178)
5¹⁄₈"
(130 mm)
12¹⁄₈"
(308 mm)
Note: Centerline of Vent Piping is
NOT the Same as the Centerline of
the Framed Opening.
6 to 48 inch Vent Section,
Elbow or Appliance Collar
See Figure 9 on page 7
for Min. Distance to
Base of Appliance.
Base of Appliance
3"
(76 mm)
1"
(25.4 mm)
*When using Secure Flex, use
Firestop/Spacer (SF4.5HF)
1¹⁄₄" Maximum Recess of Square
Termination into Exterior Finishing
Material. Round Termination may
not be recessed at all.
Exterior Surface of Framing
6 in. to 10¹⁄₄ in.
(152 mm to 260 mm)
Exterior Surface of Siding
Minimum wall thickness
*6 in. (152 mm)
Interior Surface of Finished Wall
Maximum wall thickness
10¹⁄₄ in. (260 mm)
Maximum Extent of
Vent Run Sections
Relative to Exterior
Surface of Framing
Last Vent Section. Use
Telescopic Vent Section
(SV4.5LA), If Necessary
Adapter
SV4.5RCH
SV4.5HTSS Short
Square Termination
Shown
*Note - Firestop/Spacer
(SV4.5HF) required, but
not shown for clarity.
*Cut termination collar
for wall thicknesses
less than 6 in. (152 mm).
Siding
Stucco
SV4.5HTSS Short Square
Termination Shown
*When using Secure Flex, use
Firestop/Spacer SF4.5HF
Siding
Stucco
1¹⁄₄" Maximum Recess of
Square Termination into
Exterior Finishing Material
Exterior Surface of Framing
Exterior Surface of Siding
Minimum wall thickness
*10³⁄₄ in. (273 mm)
Interior Surface of
Finished Wall
Maximum wall thickness
20 in. (508 mm)
Maximum Extent of
Vent Run Sections
Relative to Exterior
Surface of Framing
Last Vent Section
SV4.5HTSSL Long
Square Termination
*When using Secure Flex, use
Firestop/Spacer SF4.5HF.
Termination Securing
Screw
SV4.5HTSSL Long
Square Termination
*Cut termination collar
for wall thicknesses
less than 10³⁄₄ in. (273 mm).
10³⁄₄ to 20 in.
(273 to 508 mm)
*Note - Firestop/Spacer
(SV4.5HF) required, but not
shown for clarity.
Figure 32
Figure 30
Installing Long Square HorizontalTermination (SV4.5HTSSL)
Figure 29
Figure 31
If the terminus of the last section is not within
this distance, use the telescopic vent section
SV4.5LA, as the last vent section. For wall
thicknesses greater than that shown in
Figure
31
, refer to
table 3 on page 16
. This table lists
the additional venting components needed (in
addition to the termination and adapter) for a
particular range of wall thicknesses.
Installing Square HorizontalTermination (SV4.5HTS) Short Square Horizontal
Termination (SV4.5HTSS) Round Horizontal Termination (SV4.5HTR)
Connecting/Recessing
Square (SV4.5HTS)
Short Square (SV4.5HTSS)
or Round (SV4.5HTR)
Horizontal Termination
Connecting/Recessing
Long Square Horizontal
Termination (SV4.5HTSSL)
L. Install Firestop/Spacer at exterior wall -
When using either of the square terminations,
install SV4.5HF (Secure Vent), or SF4.5HF
(Secure Flex) firestop/spacer over the opening
at the exterior side of the framing, long side up,
with the 3 inch spacer clearance at the top as
shown in
Figure 29 or 30
, and nail into place.
(The Firestop/Spacer may be installed over the
opening at the interior side of the framing.)
When using the round termination, a separate
firestop/spacer is not required since this termi-
nation has integral spacers which provide the
same function as a separate firestop/spacer.
K. When using square (SV4.5HTS) or short
square (SV4.5 HTSS) horizontal termination
- attach termination adapter -
Attach the adapter (adapter - SV4.5RCH - pro-
vided with the termination) to the vent section or
telescoping vent section), elbow or appliance
collar as shown in
Figure 29
in the same manner
as any SV4.5 vent component (refer to Step E).
When using long square (SV4.5HTSSL)
horizontal termination -
Assemble the vent system to point where the
terminus of the last section is within 0 in. (0
mm) to 9³⁄₄ in. (248 mm) inboard of the
exterior surface to which the termination is to
be attached, see
Figure 32
.