Heatilator Wood Burning Fireplace I100 User manual

1
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
WOODBURNING FIREPLACE
Fire Risk.
WARNING
For use with solid wood fuel only.
Other fuels may overre and generate
poisonous gases (i.e. carbon monoxide).
Model(s):
Installation Manual
Installation and Fireplace Setup
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
replace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other ammable
materials.
• Keep clothing, furniture, draperies and other ammable
materials away.
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
I100
NOTICE: DO NOT discard this manual!
• DO NOT store or use gasoline or other am-
mable vapors and liquids in the vicinity of this
or any other appliance.
• DO NOT overre. Overring will void your
warranty.
• Comply with all minimum clearances to com-
bustibles as specied. Failure to comply may
cause house re.
WARNING: If the information in these
instructions is not followed exactly, a re
or explosion may result causing property
damage, personal injury, or death.
Installationand service of thisappliance shouldbe performed by

2Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Safety Alert Key:
• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• NOTICE: Indicates practices which may cause damage to the replace or to property.
Table of Contents
1 Product Specic & Important Safety Information
A. Fireplace Certication 4
B. Non-Combustible Materials 4
C. Combustible Materials 4
2 Getting Started
A. Typical Fireplace System 5
B. Design and Installation Considerations 6
1. Selecting Fireplace Locations 6
2. Locating Fireplace & Chimney 7
C. Tools and Supplies Needed 8
D. Inspect Fireplace and Components 8
E. Fireplace System Requirements 8
3 Framing and Clearances
A. Appliance Dimensions/Weight 9
B. Clearances 11
Minimum Clearances to Combustibles 11
C. Construct the Chase 12
D. Unpack the Refractory & Fireplace 13
E. Frame the Fireplace 14
F. Secure and Level the Fireplace 14
G. Protective Metal Hearth Strips 15
H. Outside Air Kit 16
4 Chimney and Termination Requirements
A. Chimney Requirements 18
B. O󰀨sets/Returns 19
C. Termination Requirements 20
5 Chimney Installation
A. Typical Chimney System 21
B. Assemble Chimney Sections 22
C. Install Chimney Air Kit (optional) 22
D. Secure O󰀨set/Return 23
E. Install Ceiling Firestops 23
F. Install Attic Insulation Shield 24
G. Roof Penetration 25
H. Install Chase/Chase Top 25
I. Termination Cap Requirements 26
J. Install Termination Cap 26
6 Shrouds
A. Radiation Shield 28
B. Field Constructed Shrouds 28
1. Open Top Shroud 28
2. Mailbox Style Shroud 29
3. Roofed Style Shroud 29
7 Finishing
A. Finishing Material 30
B. Hearth Extension, Building and Finishing 31
1. Fireplace Installed Flush on the Floor
and Hearth Extension Raised to Bottom
of Firebox Opening 32
2. Raised Hearth Extension and Raised Fireplace 33
3. Fireplace Opening and Hearth Extension Flush
with the Floor 34
C. Non-Combustible Sealant Material 34
D. Mantel and Wall Projections 35
E. Sidewalls/Surrounds 36
8 Fireplace Setup
A. Install Refractory 37
B. Gas Log/Lighter Provision 38
C. Wood Burning Inserts 39
9 Reference Materials
A. Chimney Components 40
B. Optional Components 43
►

3
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Customer:
Lot/Address
Model (circle one): I100
YES IF NO, WHY?
Protective hearth strips installed per manual requirements. (Pg. 14)
Outside air kit installed. (Pg 15)
Attic insulation shield installed.
Shroud is installed properly per instructions.
Chimney Section 4 & 5 (Pg. 17)
Fireplace Install
Shrouds Section 6 (Pg. 27)
Fi i hi
S ti 7 (P 29)
WARNING! Risk of Fire or Explosion! Failure to install fireplace acording to these instructions can lead to a fire or
explosion.
Verified that the chase is insulated and sealed. (Pg. 11)
Verified clearances to combustibles. (Pg. 10)
Fireplace is leveled and secured. (Pg. 13)
Hearth extension size/height decided. (Pg. 30)
Chimney configuration complies with diagrams.
Chimney installed, locked and secured in place with proper clearance.
Chimney air kit installed.
Firestops installed.
ATTENTION INSTALLER:
Follow this Standard Work Checklist
This standard work checklist is to be used by the installer in conjuction with, not instead of, the instructions contained in this installation
manual.
Date Installed:
Location of Fireplace:
Installer:
Dealer/Distributor Phone #
Serial #:
Roof flashing installed.
Termination installed.
Hearth extension installed per manual requirements.
Comments communicated to party responsible
4013-265 • Rev B • 3-14-13
Hearth & Home Technologies recommends the following:
Finishing Section 7 (Pg. 29)
Fireplace Setup Section 8 (Pg. 36)
Verified all clearances meet installation manual requirements.
Mantels and wall projections comply with installation manual requirements.
All packaging and protective materials removed.
Optional doors properly installed.
Molded brick panels installed correctly.
Grate is properly installed.
Firescreen installed properly.
__________________________ by ______________________on _________
(Builder/Gen. Contractor) (Installer) (Date)
Comments: Further description of the issues, who is responsible (Installer/Builder/Other Trades, etc.) and corrective action needed:
Manual bag and all of its contents are removed from the fireplace and given to the party
responsible for use and operation.
• That this checklist remain visible at all times on the fireplace until the installation is complete.
• Photographing the installation and copying this checklist for your file.
Combustible materials not installed in non-combustible areas.

4Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
WARNING! Risk of Fire! Hearth & Home Technologies
disclaims any responsibility for, and the warranty and
agency listing will be voided by the following actions.
DO NOT:
• installoroperatedamagedreplace
• modifyreplace
• install other than as instructed by Hearth & Home
Technologies
• operate the fireplace without fully assembling all
components
• overre
• install any component not approved by Hearth & Home
Technologies
• install parts or components not Listed or approved
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualied
installer, service agency or your dealer.
B. Non-Combustible Materials
• Materials which will not ignite and burn, composed of
any combination of the following:
- Steel - Iron
- Brick - Tile
- Concrete - Slate
- Glass - Plasters
• Materials reported as passing ASTM E 136, Standard
Test Method for Behavior of Metals, in a Vertical Tube
Furnace at 750° C
C. Combustible Materials
• Materials made of or surfaced with any of the following
materials:
- Wood - Compressed paper
- Plant bers - Plastic
- Plywood/OSB - Sheet rock (drywall)
• Any material that can ignite and burn; ame proofed or
not, plastered or un-plastered
11 Product Specic & Important Safety Information
A. Fireplace Certication
WARNING: This product and the fu-
els used to operate this product (wood
and wood pellets), and the products of
combustion of such fuels, can expose
you to chemicals including carbon black,
which is known to the State of California
to cause cancer and carbon monoxide,
which is known to the State of California to
cause birth defects or other reproductive
harm. For more information go to: www.
P65Warnings.ca.gov.
This replace may be installed in sleeping rooms. This
replace is not approved for manufactured housing. If in-
stalled with a gas log set, provisions for the National Fuel
Gas Code must be met.
This replace has been tested and listed for use with
the optional components specied in this manual. These
optional components may be purchased separately and
installed at a later date. An outside air kit, gas insert, gas
log set or gas log-lighter should be installed at the time of
replace installation.
Heatilator is a registered trademark of Hearth & Home
Technologies.
This replace system has been tested and listed in accor-
dance with UL 127 standards by Underwriters Laborato-
ries Inc. for installation and operation in the United States.

5
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
22 Getting Started
A. Typical Fireplace System
Figure 2.1 Typical Fireplace System
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
))
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
Non-combustible
roof flashing maintains
minimum clearance
around chimney
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Ceiling firestop
on floor of attic
Support straps
on rafter support
chimney
Termination cap
Chimney penetrates roof
preferably without affecting
roof rafters
Offset & Return (with hanger straps)
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
Protective metal
hearth strip(s)
Outside
combustion air
Combustible framing/header
on top of V-shaped standoffs
Chimney system
Attic insulation shield
must be used here to keep
insulation away from chimney
if attic is insulated
Storm Collar

6Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Figure 2.2 Fireplace Locations
NOTICE:
• Illustrationsandphotosreecttypicalinstallationsand
are FOR DESIGN PURPOSES ONLY.
• Illustrations/diagrams are not drawn to scale.
• Actual installation/appearance may vary due to individual
design preference.
• Hearth & Home Technologies reserves the right to alter
its products.
NOTICE: In addition to these framing dimensions, also
reference the following section:
• Clearances (Section 3).
NOTICE:
A minimum 1-1/2 in. air clearance at the back and
a minimum 1-1/2 in. air clearance to the sides of
thereplaceassemblymustbemaintained.
Chimney sections at any level require a 2 in. mini-
mum air space clearance between the framing
and chimney sections.
B. Design and Installation Considerations
NOTICE: Check building codes prior to installation.
• Installation MUST comply with local, regional, state and
national codes and regulations.
• Consult insurance carrier, local building inspector, re
o󰀩cials or authorities having jurisdiction over restrictions,
installation inspection and permits.
• Before installing, determine the following:
- Where the replace is to be installed.
- The vent system conguration to be used.
- Gas supply piping.
- Electrical wiring.
- Framing and nishing details.
- Whether optional accessories - devices such as a
fan, wall switch or remote control - are desired.
1. Selecting Fireplace Locations
This replace may be used as a room divider, installed
along a wall, across a corner or used in an exterior chase.
See Figure 2.2.
Locating the replace in a basement should be avoided.
Locating near frequently opened doors, central heat
outlets or returns, or other locations of considerable air
movement can a󰀨ect the performance.
Note: 1-1/2 in. (38 mm) min.
distance from sides & back
of fireplace to combustible
materials. 1/2 in. (13 mm)
min. at nailing flanges.
30-1/2 in.
(775 mm)
77-5/8 in.*
(1972 mm)
1/2 in. (13 mm)
all configurations
In an exterior chase
or projecting into a
garage
Across a
corner
Along a wall
30-1/2 in.
(775 mm)
24 in.
(610 mm)
77-5/8 in.
(1972 mm)
As a room
divider
30-1/2 in.
(775 mm)
48 in.
(1219 mm)
77-5/8 in.
(1972 mm)
52-1/2 in.
(1334 mm)
61-5/8 in.
(1565 mm)
104-7/8in.
(2664 mm)
24-3/8 in.
(619 mm)
74-1/4 in.
(1886 mm)
24 in.
(610 mm)
*8 in. (203 mm) extra space
included (both sides) for outside
air connection. If outside air duct
has no bend, this dimension
may be reduced as long as
minimum clearances are met.
Consideration should be given to these factors before
deciding on a location.

7
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
2. Locating Fireplace & Chimney
Location of the replace and chimney will a󰀨ect perfor-
mance.
• Install within the warm airspace enclosed by the building
envelope. This helps to produce more draft, especially
during lighting and die-down of the re.
• Installing the replace in a basement is not recommended.
• Penetrate the highest part of the roof. This minimizes
the e󰀨ects of wind loading.
• Locate termination cap away from trees, adjacent
structures, uneven roof lines and other obstructions.
• Minimize the use of chimney o󰀨sets.
• Consider the replace location relative to oor and ceiling
and attic joists.
• Take into consideration the termination requirements in
Sections 4 and 5.
Marginal Location:
• Below peak
Location NOT recommended:
• Not the highest point of the roof
• Wind loading possible
Multi-level Roofs
Windward
Leeward
Recommended Location:
• Above peak
Recommended:
• Insulated exterior chase
in cooler climates
Recommended Location:
• Above peak
• Inside heated space
Location NOT recommended:
• Too close to tree
• Below adjacent structure
• Lower roof line
• Avoid outside wall
Marginal Location:
• Wind loading possible
Not recommended in basement due
to high negative pressure concerns
that effect draft
Figure 2.3 Recommended Chimney Locations
• Install the outside air kit with the intake facing prevailing
winds during the heating season.
• Ensure adequate outdoor air for all combustion
appliances and exhaust equipment.
• Ensure furnace and air conditioning return vents are not
located in the immediate vicinity of the replace.
• Avoid installing the replace near doors, walkways or
small isolated spaces.
• Recessed lighting should be a “sealed can” design.
• Attic hatches weather stripped or sealed.
• Attic mounted duct work and air handler joints and seams
taped or sealed.

8Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
C. Tools and Supplies Needed
Before beginning the installation be sure the following
tools and building supplies are available:
Reciprocating saw Framing material
Pliers Non-combustible sealant
Hammer Gloves
Phillips screwdriver Framing square
Flat blade screwdriver Electric drill and bits
Plumb line Safety glasses
Level Tape measure
1/2-3/4 in. length, #6 or #8 self-drilling screws
Misc. screws and nails
D. Inspect Fireplace and Components
WARNING! Risk of Fire and/or Explosion! Damaged
parts could impair safe operation. DO NOT install dam-
aged,incompleteorsubstitutecomponents.Keepre-
place dry.
• Remove replace and components from packaging and
inspect for damage.
• Vent system components and doors are shipped in
separate packages.
• Report to your dealer any parts damaged in shipment.
• Read all the instructions before starting the
installation. Follow these instructions carefully
during the installation to ensure maximum safety
and benet.
E. Fireplace System Requirements
The Heatilator replace system requirements consist of
the following:
• Fireplace
- Refractory (included with replace)
- Firescreen (included with replace)
- Grate (included with replace)
- Hearth Extension (required, sold separately)
• Outside Air System
- Air Inlet Hood (included with replace)
- Flex (required, sold separately)
• Chimney System
- Attic Insulation Shield (included with replace)
- Chimney termination cap (required, sold separately)
• Non-combustible nish material

9
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
33 Framing and Clearances
A. Appliance Dimensions/Weight
Figure 3.1 Appliance Dimensions
60 5/8 in.
(1540 mm)
20 3/4 in.
(527 mm)
11 5/8 in.
(295 mm)
29 1/2 in.
(749 mm)
14 3/4 in.
[375 mm]
Gas Knockout
9 7/8 in.
[251 mm]
19 in.
[483 mm]
10 1/2 in.
[267 mm]
Outside Air
14 3/4 in.
[375 mm]
Gas Knockout
9 7/8 in.
[251 mm]
19 in.
[483 mm]
10 1/2 in.
[267mm]
Outside Air
50 in.
[1270 mm]
33 in.
[838 mm]
68 1/8 in.
[1730 mm]
(effective height)
8 3/4 in.
[222 mm]
70 1/2 in.
[1791 mm]
60 1/4 in.
[1530 mm]
54 3/8 in.
[1381 mm]
41 5/8 in.
(1057 mm)
Model Pounds
I100 443
Appliance Weight Table

10 Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Contour Front Dimensions
Figure 3.2 Contour Front Dimensions
NOTE: CONTOUR FRONTS MUST BE INSTALLED BEFORE APPLYING ANY FINISHING MATERIALS

11
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances
tocombustiblesasspeciedinFigure3.2.DO NOT pack
required air spaces with insulation or other materials.
Framing or nishing material used on the front of, or in
frontof,thereplacecloserthantheminimumslistedmust
be constucted entirely of non-combustible materials (i.e.,
steel studs, concrete board, etc.). Failure to comply may
causere.
Figure 3.3 Clearances to Combustible Materials
Minimum Clearances to Combustibles
WITHIN ENCLOSURE AREA
Fireplace to backwall 1-1/2 in. (38 mm)
Fireplace to sidewall 1-1/2 in. (38 mm)
Top stando󰀨s to header 0 in. (0 mm)
Door opening to sidewall 24 in. (610 mm)
MANTEL
Mantel minimum height 20 in. (508 mm)
above opening
Maximum mantel depth 12 in. (305 mm)
0 in.
from floor
Attic
Insulation
Shield
Ceiling Firestop
(ceiling)
(roof)
(attic)
(ceiling)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
2 in. min.
(51 mm)
Must have 2 in. (51 mm)
minimum clearance
to header
Ceiling Firestop Offset/Return with
hanger straps
Storm Collar
Roof Flashing
0 in. to level
of standoffs
1-1/2 in. (38mm) from
side of appliance
(except at nailing flanges
where it is 1/2 in. (13 mm)
1-1/2 in. (38mm) from
back of appliance

12 Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
C. Construct the Chase
A chase is a vertical boxlike structure built to enclose the
replace and/or its vent system. Vertical chimneys that
run on the outside of a building must be installed inside a
chase.
In cold climates, Hearth & Home Technologies recom-
mends that the chase be well insulated using batt type in-
sulation between the joists.
Construction of the chase may vary with the type of build-
ing. These instructions are not substitutes for the require-
ments of local building codes. Local building codes MUST
be checked.
Chases should be constructed in the manner of all outside
walls of the home to prevent cold air drafting problems. The
chase should not break the outside building envelope in
any manner. All outer walls need to be insulated.
Building codes require false ceiling and ceiling restops/
attic shields at each oor of the chase or every 10 ft (3048
mm) of clear space to control spread of re.
Walls, ceiling, base plate and cantilever oor at the rst
level of the chase should be insulated (see Figure 3.4.)
Vapor and air inltration barriers should be installed in the
chase as per regional codes for the rest of the home. Ad-
ditionally, Hearth & Home Technologies recommends that
the inside surfaces be drywalled and taped (or the use of
an equivalent method) for maximum air tightness.
Holes and other openings should be caulked with high tem-
perature caulk or stu󰀨ed with unfaced ber glass insulation.
Ceiling
Firestop
Metal Chase Top
Round Termination Cap
False Ceiling
Insulation in the
outside walls
of the chase
Attic
Insulation
Shield
Chimney
Ceiling
Firestop
Tabs
False Ceiling
False Ceiling
Insulation
Insulation
Storm Collar
Figure 3.4 Chase Assembly
1 2 3
All outside walls should be insulated.
Figure 3.5 Chase Constructions
1. Fireplace and chimney enclosed in an exterior chase.
2. Chimney o󰀨set through exterior wall and enclosed in chase.
3. Chase constructed on roof.
• The chase is constructed using framing materials much
the same as the walls in your home. A variety of siding
materials may be used including brick, stone, veneer
brick, or standard siding materials.
• In constructing the chase, several factors must be
considered:
- Maintain a 2 in. (51 mm) air space around the
chimney.
- The chase top must be constructed of non-
combustible material.
- In cold climates, a restop spacer and attic insulation
shield should be installed in an insulated false ceiling
at the 8 ft. (2438 mm) level above the replace
assembly. This reduces heat loss through the chase.
- In cold climates, the walls of the chase should be
insulated to the level of the false ceiling as shown in
Figure 3.4. This will help reduce heat loss from the
home around the replace.
Three examples of chase applications are shown in Fig-
ure 3.5.
WARNING! You must install false ceilings and ceil-
ing restops at each oor of the chase or every 10 ft
(3.05 m) to control spread of re.
WARNING! Risk of Fire! DO NOT sealareabetweenre
stop opening and chimney pipe except where they enter
the attic or leave the warm air envelope of the home (use
600° F sealant).
WARNING! Risk of Fire! You must maintain a minimum
2 in. (51 mm) air space clearance to insulation and other
materials surrounding the chimney system.
• Insulationandothermaterialsmustbermlysecuredto
prevent accidental contact with chimney system.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
makingcontactwithreplaceorchimney.
• Failure to prevent contact between insulation or other
materials and chimney system may cause overheating
andre.

13
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Figure 3.6 Unpack Back Refractory
Figure 3.7 Bend Refractory Brackets Back Down
D. Unpack the Refractory & Fireplace
• Remove back refractory from outside of replace by
bending tabs up and lifting refractory out of brackets.
See Figure 3.5.
• Bend tabs back down out of the way. See Figure 3.7.
• Do not remove screws or refractory brackets from
replace. If refractory brackets must be removed, ll
holes in outer shell with screws.
• Repeat this process to remove side refractories.
Figure 3.9 Shipping Spacers
Figure 3.8 Remove Screen Rods
•Remove hearth stone by removing three corrugated
shipping spacers (Figure 3.9). Lift hearth stone out of
replace. See Figure 3.10.
Figure 3.10 Lifting Out Hearth Stone
• Remove screens by removing screw from end of each
screen rod.
Figure 3.11 Removing Shipping Brackets
• Remove replace from pallet:
- Remove screws from shipping brackets and pallet
(Figure 3.11),
- Replace screws removed from replace.
- Brackets can be used to anchor replace in position.

14 Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Use only non-combustible
material below the top of
the front standoffs.
30 1/2 in.*
(772 mm)
61 5/8 in.
(1565 mm) 8 in. (203 mm) extra space
needed (both sides) for outside air
connection. If outside air duct has
no bend, this dimension may be
reduced as long as minimum
clearances are met.
* If interior of chase will be
drywalled, add the thick-
ness to this measurement.
17 in. (368 mm)
framing.
70 in.
(1803 mm)
E. Frame the Fireplace
NOTICE: Hearth extension design must be determined
before installation of replace.
If the replace is placed on the oor the maximum height
of a nished raised hearth is 8-3/4”, if you want a higher
raised hearth the replace must be placed on a platform.
WARNING! Risk of Fire! You must comply with all
minimum air space clearances to combustibles. DO NOT
pack required air spaces with insulation or other materi-
als.
WARNING! Risk of Fire! Comply with all minimum clear-
ancesspecied.
• A minimum 1-1/2 in. (38 mm) air clearance must be
maintained at the back and 1-1/2 in. (38 mm) to the
sidesofthereplaceassembly.
• Chimney sections at any level require a 2 in. (51 mm)
minimum air space clearance between the framing and
chimney section.
Figure 3.11 shows a typical framing (using 2 x 4 lumber)
of the replace, assuming combustible materials are
used. All required clearances to combustibles around the
replace must be adhered to. See Figure 3.2. Any framing
across the top of the replace must be above the level of
the top stando󰀨s.
The nished cavity depth must be no less than 30-1/2 in.
(772 mm) from the nished backwall to the outside of front
wall framing.
DO NOT install header until the replace is in position.
CAUTION! Risk of Cuts/Abrasions. Wear protective gloves
and safety glasses during installation. Sheet metal edges
are sharp.
WARNING! Risk of Fire! Prevent contact with sagging,
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the sides and
backofthereplaceassembly.
F. Secure and Level the Fireplace
This replace may be placed on either a combustible
or noncombustible continuous at surface. Follow the
instructions for framing in Section 3. Slide the replace
into position. Be sure to provide the minimum 1-1/2 in.
air clearance at the sides and 1-1/2 in. at the back of the
replace.
The replace should be positioned so the face of the non-
combustible material on the replace will be ush with the
face of the drywall on the walls.
Level the replace and shim as necessary.
Figure 3.11 Framing the Fireplace
1/2 in.
(13 mm)
Fireplace must be set out
1/2 in. (13 mm) in front of
the face of the framing
material.
NOTE: Before framing up the chase, consider where
and how the chimney will run. If there are obstacles
that might be in the way, it may be necessary to make
the chase larger than shown to allow for o󰀨sets to be
used. Refer to o󰀨set chart on page 17 if needed.
NOTE: A structural header may be positioned higher up during
the early framing to help with the installation of the unit, then
nish framing down to correct height after unit is set.
NOTE: After rough in-
stall, header will sit on
top of front stando󰀨s.
►

15
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Protective metal strips are placed 2 in. (51 mm) under the
front of the fireplace and must extend beyond the front
and sides of fireplace opening by 2 in. (51 mm).
1 in. (25 mm)
overlap
Raised Platform
Floor
2 in.
(51 mm)
1 in. (25 mm) min.
overlap
2 in.
(51 mm)
Top piece must overlap
bottom piece
Figure 3.13 Protect the Front of an Elevated Platform
G. Protective Metal Hearth Strips
Figure 3.12 Position the Protective Metal Hearth Strips
• Locate the three protective metal hearth strips measuring
approximately 26 in. x 4 in. (660 mm x 102 mm) included
with this replace.
• Slide each metal strip 2 in. (51 mm) under front edge of
replace.
• Overlap strips in the middle of replace opening by 1 in.
(25 mm) minimum.
• Metal strips must extend beyond the front and sides
of the replace opening by at least 2 in. (51 mm),
Figure 3.12).
• Protect the front of a platform elevated above the hearth
extension with metal strips (not included with replace)
per Figure 3.13. See Section 7 for hearth extension
instructions.
WARNING! Risk of Fire! Protective metal hearth
strips MUST be installed on combustible surfaces. DO
NOT cover metal strips with combustible materials.
Sparksorembersmayigniteooring.
WARNING! Risk of re! High temperatures, sparks,
embers or other burning material falling from the
replacemayigniteooringorconcealedcombustible
surfaces.
• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
specied.

16 Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
H. Outside Air Kit
Two outside air kits must be used for combustion. Hearth
& Home Technologies recommends you utilize the short-
est duct runs to optimize the performance of the outside
air kits and install a P-trap. See Figure 3.16. The outside
air inlet hoods should be positioned in a manner that will
not allow snow, leaves, etc. to block the inlets. In some
installations the air duct may need to be run vertically.
In such an installation, a 3 ft (914 mm) height di󰀨erence
must be maintained from the top of the uppermost chim-
ney section to the outside air inlet hoods.
NOTE: The maximum length of a 4 inch diameter duct is
20 feet. The duct can be extended up to a maximum of 40
feet by using 6 inch duct. A 4 inch to 6 inch adapter will be
needed. (not included).
NOTE: The minimum cross-sectional area of the 4 inch
inlet hood is 7.0 square inches.
Refer to Figures 3.14 and 3.15 when placing the outside
air inlet hoods.
An outside air kit is installed on each side of the replace.
• Cut 4-1/2 in. (114 mm) holes in outside wall to
accommodate air piping.
• Use 4 in. (102 mm) ex (not supplied) to directly connect
outside air to replace intake. Insulate the pipe to prevent
frost condensation.
• Use the supplied outside air inlet hoods.
• Seal between the wall and the pipe with silicone to
prevent moisture penetration and air leaks.
• Seal between the outside air inlet hoods and the house
with silicone to prevent air inltration. CAUTION! Risk of Cuts/Abrasions. Wear protective
gloves and safety glasses during installation. Sheet metal
edges are sharp.
CAUTION! Risk of Fire or Asphyxiation! DO NOT draw
outsidecombustionairfromwall,oororceilingcavity,or
enclosed spaces such as an attic or garage.
• DO NOT place outside air inlet hood close to exhaust
vents or chimneys. Fumes or odor could be drawn into
theroomthroughthereplace.
• Locate outside air inlet hood to prevent blockage from
leaves, snow/ice, or other debris. Blockages could cause
combustion air starvation.
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)))
)
))
)
)
)
))))
)
))
))
)))
)
)
))
))
))
)
))
)
))
)
)
)
))
)
)
)
)
))
)
)
)
)
)
)
)
)
)
)
)
)
3 ft min. from
top of uppermost
chimney section
to air inlet.
Figure 3.15 Outside Air Inlet Hood Locations
Outlet placed
higher than 3 ft
below the
termination cap
Attic space
Garage or
combustible
liquids storage
Outlet blocked by
snow, leaves, etc.
Clear area
outside
house or in
ventilated
crawl space
YES
NO
NO
NO
NO
Factory-built
fireplace
• Use UL181 Class 1 or Class 0 rigid or flexible ducting.
• Install with short run and add a P-trap which will help
prevent flow of cold air.
• Secure flex duct with screws or wire ties.
Figure 3.14 Outside Air Installation
Typical Outside Air
Installation
Typical CAK Installation
Seal
Seal
24” (610 mm) min.
48” (1220 mm) max.
Note: The pipe
cannot lay on top
of the unit.
4” Duct-Use UL181
Class 0 or Class 1
ducting
Recommend
around 24 inches
for a minimum bend
Figure 3.16 Outside Air Installation with Cold Air Trap

17
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
• Position ring over tabs and screw in place. See
Figure 3.19.
• Repeat for other side.
Figure 3.19 Attaching Outside Air Kit Collar
• Check the operation by moving the outside air control
handles up and down.
• Mark and cut out a 4-1/2 in. (114 mm) hole in the building
side for air entry.
• Install the outside air inlet hoods in the sidewall of the
structure, ush with the building’s exterior.
• Assemble the exible duct (not supplied) between the
collar and the outside air inlet hood. Secure into position
with the supplied wire ties.
• Check for light leaks with a ashlight and seal with duct
tape and/or insulation.
• Locate outside air kit on one side of replace.
Figure 3.17 Close-up of Outside Air Kit
• Open door (raise handle up to open, refer to Figure 2.1
for location of handles).
• Bend the four tabs out at 90 degrees. See Figure 7.20.
Figure 3.18 Bending Tabs on Outside Air Kit Collar

18 Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
6 ft (1.83 m) max.
unsupported run
20 ft (6.10 m) max.
pipe between an
offset & return
Ceiling Firestop 35 ft (10.67 m)
max. straight
unsupported
chimney height
20.5 ft (6.25 m) min. height/single offset-return
24 ft. (7.32 m) min. height/double offset-return
90 ft (27.43 m) max. height
6 ft (1.83 m) max.
unsupported chimney
above roof
68-1/8 in.
(1730 mm)
Effective Height
(bottom of fireplace
to top of starter collar)
Gas
Knockout
Figure 4.1 Chimney Requirements
NOTICE: Amaximumoftwopairsofosetsandreturns
may be used.
Minimum overall straight height 20 ft 6.1 m
Minimumheightwithsingleoset/
return
20.5 ft 6.25 m
Doubleoset/returnminimumheight 24 ft 7.32 m
Maximum height 90 ft 27.43 m
Maximum chimney length between an
osetandreturn
20 ft 6.1 m
Maximum distance between chimney
stabilizers
35 ft 10.67 m
Maximum unsupported chimney
lengthbetweentheosetandreturn
6 ft 1.83 m
Maximum unsupported chimney
heightabovethereplace
35 ft 10.67 m
Maximum unsupported chimney
above roof
6 ft 1.83 m
WARNING! Risk of Fire! You must maintain 2 in. (51 mm)
air space clearance to insulation and other combustible
materials around the chimney system. Failure to do so may
causeoverheatingandre.
NOTICE: You must provide support for the pipe during
construction and check to be sure inadvertent loading has
notdislodgedthechimneysectionfromthereplaceorat
any chimney joint.
A. Chimney Requirements
Vertical distances are measured from the base of the
replace as shown in Figure 4.1.
44 Chimney and Termination Requirements
Table 4.2 Chimney Component Dimensions
Table 4.1 Chimney Requirements
HEIGHT OF CHIMNEY COMPONENTS in. mm
Chimney Stabilizer
SL11 4-3/4 121
O󰀨sets/Returns
SL1130 18 457
Chimney Sections*
SL1106 4-3/4 121
SL1112 10-3/4 273
SL1118 16-3/4 425
SL1136 34-3/4 883
SL1148 46-3/4 1187
* Dimensions reect e󰀨ective height.

19
Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
B. O󰀨sets/Returns
• Use an o󰀨set/return to bypass overhead obstructions.
• An o󰀨set and return can be used as a single entity or separated by chimney section(s).
WARNING! Risk of Fire! DO NOT useoset/returnsgreaterthan30°.Chimneydraftwillberestrictedandcouldcause
overheatingandre.Secureosetswithscrews(nottoexceed1/2”/13mminlength)Securereturnswithstrapping.
Straight chimney sections may be secured with screws. Keep chimney sections from separating or twisting.
• Measure the shift needed to avoid the overhead obstruction. Refer to dimension A in Figure 4.2.
• Find the appropriate A dimension listed in Table 4.3. The B dimension coinciding with the A dimension measurement in
Table 4.3 represents the required vertical clearance needed to complete the o󰀨set/return.
• Read across the chart to nd the number of chimney sections/model numbers needed between the o󰀨set and return.
A
B
1-1/4 in. (32 mm)
OVERLAP
Figure 4.2 Chimney O󰀨set/Return
Example:
Your “A” dimension from Figure 4.2 is 14-1/2 in. (368
mm). Using Table 4.3 the dimension closest to, but not
less than 14 1/2 in. (368 mm) is 15-3/4 in. (400 mm) using
a 30° o󰀨set/return.
You determined from the table that you would need
36-5/8 in. (930 mm) (Dimension “B”) between the o󰀨set
and return.
The chimney component that best ts your application is
two SL1112s.
A B
SL1106 SL1112 SL1118 SL1136 SL1148in. mm in. mm
4 7/8 124 17 7/8 454 -----
7 1/4 184 22 559 1 - - - -
9 3/4 248 26 1/8 664 2 - - - -
10 1/4 260 27 1/4 692 - 1 - - -
12 3/4 324 31 3/8 797 1 1 - - -
13 1/4 337 32 3/8 822 - - 1 - -
15 3/4 400 36 5/8 930 - 2 - - -
18 1/8 460 40 3/4 1035 1 2 - - -
18 3/4 476 41 3/4 1060 - 1 1 - -
21 3/4 552 47 1194 - - 2 - -
22 1/4 565 48 1219 - - - 1 -
24 3/4 629 52 1/8 1324 1 - - 1 -
27 3/4 705 57 3/8 1457 -1-1-
28 1/4 718 58 3/8 1483 ----1
30 3/4 781 62 1/2 1588 1 - - - 1
33 3/4 857 67 3/4 1721 - 1 - - 1
36 3/4 933 73 1854 - - 1 - 1
39 3/4 1010 78 1/8 1984 - - - 2 -
41 1/8 1045 82 3/8 2092 1 - - 2 -
45 3/4 1162 88 1/2 2248 - - - 1 1
48 1/8 1222 92 3/4 2356 1 - - 1 1
51 3/4 1314 98 7/8 2511 ----2
Proper assembly of air cooled chimney parts results in an overlap of chimney joints
of 1-1/4 in. (32 mm). E󰀨ective length is built into this table.
Table 4.3 O󰀨set Dimensions

20 Heatilator • ICON I100 • 4013-263 Installers Manual • Rev S • 11/22
Slanted Roofs
Flat Roofs
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Chimney must
extend 3 ft (.9 m)
above the roof
Chimney must extend 2 ft (.6 m)
above any portion of the roof or
adjacent structures within
10 ft (3 m) of the chimney
Multiple Chimney Locations
A B
6 in. (minimum) up to 20 in.
152 mm/508 mm
18 in. minimum
457 mm
20 in. and over 0 in. minimum
Gas, Wood or Fuel Oil
Termination Cap
Wood
Minimum
(See
illustration
above)
B
Gas
Termination
Cap **
A *
Perpendicular Wall
*
If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
**
In a staggered installation with both gas and wood terminations, the
wood termination cap must be higher than the gas termination cap.
Figure 4.3 Multiple Chimney Locations
C. Termination Requirements
• Install a cap approved and listed for this replace system.
• Locate cap where it will not become plugged by snow or other materials.
• Locate cap away from trees or other structures.
• The bottom of the termination cap must be at least 3 ft (.91 m) above the roof AND at least 2 ft (.61 m) above any portion
of roof within 10 ft (3.05 m).
• The distance required between caps is shown below.