Installation
900298-00, 10/2014
Innovative Hearth Products
Superior
TM
DRT/DRC3500 Series Direct-Vent Gas Fireplaces
32
Figure 26: Installing the Horizontal Termination
Firestop/Spacer (SV4.5HF) shown
on the exterior side of the wall. It
may also be installed on the
interior side.
Typical
Termination
Shown
7 in.
(178)
5 1/8 in.
(130 mm)
12 1/8 in.
(308 mm)
Note: Centerline of Vent Piping is
NOT the Same as the Centerline of
the Frame Opening.
6 to 48 in. Vent Section,
Telescopic vent section,
Elbow or Appliance Collar
Base of Appliance
3 in.
(76 mm)
1 in.
(25.4 mm)
Adapter
SV4.5RCH
10 1/2 in.
(267 mm)
See
Table 11
for the minimum distance
to the base of the fireplace.
NOTE:
To help minimize water infiltration install the firestop/spacer (SV4.5HF) on the exterior side of the wall. The
firestop may be caulked with mill base caulk (such as 10K81) or high-temperature silicone.
Figure 27: Venting Connection and Exterior Wall Recessing of the Horizontal Termination H1968
Siding
Stucco
1-1/4” Maximum Recess of
the Square Termination into
Exterior Finishing Material
Exterior Surface of
Framing
6 in. to 9 1/4”
(152 to 235 mm)**
Exterior Surface of Siding
Interior Surface of
Finished Wall
Maximum wall thickness
9 1/4” (235 mm)**
Maximum Extent of
Vent Run Sections
Relative to Exterior
Surface of Framing
Last Vent Section. Use
T e l e s c o p i c V e n t
Section (SV4.5LA), If
Necessary
Adapter
SV4.5RCH
*Use silicone caulking to
seal the top and sides of
the termination, up to the
underlayment, stucco, or
masonry wall surface.
*Caulk
*Caulk
SV4.5HT-2
Square Termination
Shown
SV4.5HT-2
Square Termination
Shown
** For thicknesses greater
than 10” (254 mm) see
Table 21.
*
*Recommended IHP termination kit: H1968.
**With termination kit only, 6-9 1/4”
**