Page 1 of 2
P/N 900355-07, REV. A, 11/2017
MONTEBELLO™ ST
Framing Dimensions
Fireplace Dimensions
Framing Should be constructions of 2 x 4 or larger lumber.
27-1/2”
(699mm)
26-1/4”
(667mm)
3-1/2”
(89mm)
19-5/8”
(499mm)
46-5/8”
(1184mm)
7”
(178mm)
50-1/2”
(1283mm)
29-5/8”
(753mm)
12-3/8”
(314mm)
5-1/8”
(130mm)
41-1/2”
(1054mm)
33-3/4”
(857mm)
13-1/8”
(333mm)
25-3/8”
(645mm)
34-3/4”
(883mm)
7-3/8”
(187mm)
5-1/2”
(140mm)
Front View
(opposite of valve access side)
Left Side View
Top View
Unit Dimensions
(Shown with Outdoor Kit Installed)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Wall Finishing
SEE-THROUGH
DIRECT-VENT FIREPLACE
INTERIOR
EXTERIOR
8" / 11"
Vent / Intake
Gas Inlet
J-Box
Control Switch
Wires Knock-
Out
Vent Size
Co-axial DV Collar
on Fireplace -
8" Inner / 11" Outer
Top of Door Frame
Top of
Appliance
Spacers
FIREPLACE
(side view)
Min. 1” *
(25 mm)
Min. 4” *
(102 mm)
2 ft Vertical
Vent and
90° Elbow
Note: Non-combustible
sheathing and
housewrap (building
paper) should extend
to U-channels on
sides and bottom.
Wall Stud
Combustible
Sheathing
Non-combustible
sheathing required
below this point.
Extend housewrap
(building paper)
to this point.
Header
Non-combustible
~
*Insulation is
NOT ALLOWED in
clearance zones
around vent
components.
Keep this area free
from combustible
materials.
2 ft Vertical
Vent and
90° Elbow
Min. 1” *
(25 mm)
Combustible
materials are
allowed on face
of appliance
above
this point
Combustible
Finished Wall
Materials
Wall Stud
Top of Door Frame
FIREPLACE
(side view)
Top of
Appliance
Spacers
Min. 4” *
(102 mm)
*Insulation is
NOT ALLOWED in
clearance zones
around vent
components.
Keep this area free
from combustible
materials.
Header
~
13
(330)
16
(406)
6-1/2
(165)
C
Inches
(millimeters)
1-1/2
(38)
D
A
B
E
~
D
B
13
(330)
16
(406)
6-1/2
(165)
C
Inches
(millimeters)
A
NOTE: For indoor/outdoor in-
stallations, the control side of
the fireplace must be installed
on the indoor side.
A B C D E
in 52-1/8 47-3/8 75-1/2 26-3/8 6
(mm) (1324) (1203) (1918) (668) (152)
Dimension B is from fireplace base to top fram-
ing member.
Dimension C is from fireplace base to centerline
of horizontal vent pipe. Minimum vent framing:
INDOOR SIDE
OUTDOOR SIDE
Outdoor Surface (e.g., deck, patio, lanai)
2 ft vertical vent and one 90° elbow. For other
venting configurations, see Installation and
Operation Manual.
1/2” board for platform (shown in gray).
Dimension E is a 6” clearance from fireplace base
to outdoor surface (e.g., deck, patio, lanai) that is
required as a moisture barrier (not a combustible
clearance) on outdoor side only.
Page 2 of 2
Printed in U.S.A. © 2015 Innovative Hearth Products
P/N 900355-07, REV. A, 11/2017
MONTEBELLO™ ST
Product Reference Information
Cat.# Model Ship.Wt. Ship. Volume
F2228 Montebello STTEN 383 lb. 52.2 cu. ft.
F2229 Montebello STTEP 383 lb. 52.2 cu. ft.
Listing Information
When the unit is installed with
one side flush with a wall, the
wall on the other side of the
unit must not extend beyond
the front edge of the unit.
Outdoors
Indoors
Top View
Shelf Height
Typical Installations
7 (178)
2
(51)
4
(102)
6
(152)
8
(203)
10
(254)
12
(305)
9 (229)
13 (330)
17 (432)
15 (381)
11 (279)
Mantel Depth
Side View
Clearances from any pro-
jections such as shelves,
window sills, mantels, etc.
above the appliance
Mantel Clearances
Minimum Clearances - Inches (millimeters)
Back / Sides 0 (0) Spacers
Floor 0 (0)
Bottom of Appliance To Ceiling 72 (1829)
Vent 4 (102) Top, 1 (25) Sides & Bottom
Service Clearances
Front 36” (914 mm)
Minimum Clearances
Product Information
NOTE: Diagrams, illustrations and photographs are not to scale
– consult installation instructions. Product designs, materials,
dimensions, specifications, colors and prices are subject to change
or discontinuance without notice.
Combustible materials may
project beyond the sides
of the fireplace opening
as long as they are kept
within the shaded areas
illustrated here.
Combustible Materials
Allowed In Shaded Area
“Safe Zone”
Combustible Walls
shown in dark gray
At 8-1/4" side
wall clearance, a
combustible wall
can project 12"
1/2"
(13 mm)
5”
(127 mm)
8-1/4"
(209 mm)
14"
(356 mm)
12”
(305 mm)
17”
(432 mm)
Top View of
Fireplace
45 °
At 14" minimum
side wall clearance,
a combustible wall
can project to any
length.
Protected wall shown in white
Listed by PFS Corporation to to
ANSI Z21.88 (in Canada, CSA-
2.33), and CAN/CGA-2.17-M91
(CSA P4.1) in both USA and
Canada, as a vented gas fireplace.
Drywall
Top Of Fireplace
Opening
PFS
®
USC
Report No. 14-107
Inputs (BTU/hr)
Model Fuel Inputs (BTU/hr)
Montebello STTEN NG
40,000 to 60,000
Montebello STTEP LP
43,500 to 56,000
Min. 2 ft vertical
vent section
and one 90-degree
elbow required
Combustible
Enclosure/Shelf
Min. 4"
(102 mm)
90" (2287 mm)
minimum
Indoor/Outdoor
91-1/2" (2324 mm)
minimum
Indoor/Outdoor
Top of
Fireplace
2 x 4
~
~
Do NOT insulate space between
appliance and area above it.
Inches (millimeters)
Top of
Fireplace
See Page 1 for Minimum
Distance to Base of Appliance
Horizontal Termination
Firestop/Spacer (SV8HF4)
shown on exterior side of wall
13”
(330mm)
6-1/2”
(165mm)
16”
(406mm)
1”
(26mm)
Square
Termination
(SV8HTS4)
NOTE: Centerline of vent piping
is NOT the same as centerline
of framed opening.
Adaptor
SV8RCH
6” to 48” Vent Section
or Telescopic Vent Section
Base of Appliance
4”
(102 mm)
1”
(26 mm)
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