INNOVATIVE HEARTH PRODUCTS • GAS FIREPLACES • HORIZONTAL TERMINATIONS
Figure 1: Installing Small Square (SV4.5HTSS) Terminations
Firestop/spacer (SV4.5HF) shown on
the exterior side of the wall. Can also
be installed on the interior side
When using Secure Flex, use
firestop/spacer SF4.5HF
10 1/2 in.
(267 mm)
6–48 in. vent section,
telescopic vent section,
elbow, or appliance collar
Adapter
SV4.5RCH or
SV4.5RCHA
Centerline of
vent piping is not
the same as the
centerline of the
framed opening
5 1/8 in.
(130 mm)
12 1/8 in.
(308 mm)
1 in.
(25 mm)
3 in.
(76 mm)
7 in.
(178 mm)
Base of appliance
See fireplace
installation
instructions
for minimum
distance to base
of appliance
SV4.5 HTSS
termination
shown
Figure 2: For Walls 6–9 in. Thick—
Connecting/Recessing Small Square
(SV4.5HTSS) Terminations in Various Wall Materials
Firestop/spacer (SV4.5HF)
required, but not shown
Firestop/spacer (SV4.5HF)
required, but not shown
Interior surface of finished wall
Maximum extent of vent
run relative to exterior
surface of framing
Last vent section (use telescopic
vent section [SV4.5LA], if necessary)
Adapter
SV4.5RCH
Siding
* To prevent water infiltration in wet environments, use a silicone sealant between the
termination and the wall. High temperature sealant is not required.
*
Stucco
SV4.5HTSS Small square
termination shown
1 1/4 in. Maximum recess of
square termination into exterior
finishing material
SV4.5HTSS Small
square termination
shown
Cut termination collar and
adapter for wall thickness
< 6 in. (152 mm)
6–9 in. (152–228 mm)
Exterior surface of framing
Exterior surface of siding
Maximum wall thickness
9 in. (228 mm)
Minimum wall thickness
6 in. (152 mm)
When using Secure Flex, use
firestop/spacer SF4.5HF
For wall thickness, refer to
Table 1
Figure 3: For Walls 9–21 1/4 in. Thick—
Connecting/Recessing Small Square
(SV4.5‑20SSWSK) Terminations in Various Wall Materials
Cut termination collar and
adapter for wall thickness
< 9 in. (228 mm)
Interior surface of finished wall
Maximum extent of vent
run relative to exterior
surface of framing
Last vent section (use telescopic
vent section [SV4.5LA], if necessary)
Termination
securing screw
Siding
* To prevent water infiltration in wet environments, use a silicone sealant between the
termination and the wall. High temperature sealant is not required.
*
Stucco
SV4.5HTSS Square
termination shown
1 1/4 in. Maximum recess
of square termination into
exterior finishing material
SV4.5HTSS Square
termination shown
9–21 1/4 in. (228–540 mm)
Exterior surface of framing
Exterior surface of siding
Maximum wall thickness
21 1/4 in. (540 mm)
Minimum wall thickness
9 in. (228 mm)
When using Secure
Flex, use firestop/spacer
SF4.5HF
Firestop/spacer (SV4.5HF)
required, but not shown
Printed in U.S.A. © 2015 Innovative Hearth Products
P/N 750204M Rev. F 03/2015
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
P750204M
IHP.US.com
