Vermont Castings SB38 Installation guide
87D0057 1/13 Rev. 9
539026
SB5400 cover
SB38 / SB44 Series Woodburning Fireplace
87D0057
You have chosen the nest wood burning replace available. Your replace has been designed for years of heating and
viewing enjoyment. Please take time to read this entire manual before installing or operating your replace.
The instructions contained in this manual provide the information necessary to install this replace in
accordance with Underwriter’s Laboratories requirements and in compliance with the National Fire
Protection Association Standard No. 11. Some codes may require the replace and chimney be
electrically grounded. Before beginning the installation, you should check with local building ofcials
to obtain required permits and assure compliance with local regulations and coded. If you encounter
problems with code requirements, contact your dealer for assistance.
These Fireplace models are listed by Underwriters Laboratories, Inc. to U.L. 17-standard for factory-
built replaces. The design of this replace and these instructions complied with applicable safety
standard for a factory built replace in effect at the time the replace was manufactured. You should
be aware, however, that failure to install, operate, and maintain this or any other factory built replace
properly can result in a house re or other occurrences that could cause deaths, injuries, and property
damages. It is very important that the persons installing and/or supervising the installation of this replace
have appropriate skills in using the tools and techniques required; and reading and comprehension
skills sufcient to read and follow these instructions. These instructions contain warnings, cautions, and
notes to emphasize important safety information. To assure that safe and satisfactory service is received
from this replace, please read the following special notices and all the contents of this manual.
Listing and Code Approvals ................................................................................................
Safety Information .............................................................................................................. 3
Important Information ......................................................................................................... 4
Operation Guidelines ..........................................................................................................5
Fireplace Dimensions .........................................................................................................6
Clearances ........................................................................................................................ 7
Fireplace Location .............................................................................................................9
Installation Preparation ..................................................................................................... 11
Floor Protection ...............................................................................................................13
Mantel Clearance ............................................................................................................. 15
Fireplace Components ..................................................................................................... 17
Fireplace Installation .........................................................................................................18
Chimney Installation ......................................................................................................... 19
Chimney Offset Installation ............................................................................................... 1
Chimney Cap Installation .................................................................................................. 3
Chimney Cap Chase Installation ...................................................................................... 5
Outside Combustion Air Precautions and Recommendations .......................................... 6
Combustion Air Assembly ................................................................................................. 8
Gas Appliance Installation ............................................................................................... 9
Trim and Door Installation ................................................................................................31
Fireplace Operation .........................................................................................................33
Maintenance and Safety ..................................................................................................34
Replacement Parts ...........................................................................................................37
Warranty ...........................................................................................................................39
SB38 / SB44 Series Woodburning Fireplace
87D0057 3
Read all instructions and warnings carefully before starting installation. Failure to fol-
low these instructions may result in a possible re hazard and will void the warranty.
Vermont Castings Group replaces and component parts
have been highly tested and will operate safely when
installed in accordance with instructions provided in this
manual. Carefully read and understand all instructions
beginning installation.
If you notice any damage to replace or component parts,
immediately report damage to your Vermont Castings
Group dealer.
Only use Vermont Castings Group components or the war-
ranty will be voided and a re hazard may be created.
Vermont Castings Group warranty will be voided by and
Vermont Castings Group disclaims any responsibility for
the following actions:
•
•
•
•
•
Fuels used in gas, wood-
burning or oil red appliances, and the products of
combustion of such fuels, contain chemicals known
to the State of California to cause cancer, birth de-
fects and other reproductive harm.
California Health & Safety Code Sec. 549.6
Consult local building codes to ensure that you are in
compliance installing the replace.
Fireplaces must be vented to the out-of-doors.
: Do not pack required air spaces with
combustible material or insulation not specifically
recommended for use in such areas.
The replace should not be located in areas that create
drafts (ie: frequently opened doors and central heating
air inlets/outlets) that hamper the normal ow of air into
the re.
If you plan to install a gas log, the gas line should be in-
stalled before framing the replace. The gas line must be
installed by a certied gas line installer.
SB38 / SB44 Series Woodburning Fireplace
487D0057
1. Read these instructions entirely before beginning any
part of the installation. Save these instructions for any
future repairs.
. Use these instructions as a guide during the installation
of the replace.
3. Be sure these instructions become the property of
and are reviewed by all future users of this replace to
encourage proper operation and maintenance.
4. All the parts used with this fireplace system must
be installed in accordance with these installation
instructions. Failure to do so may be hazardous and
will void the warranty.
5. This replace and accessories should not be altered
in any way that is not specically recommended in this
manual.
6. Refer to your local building code for local requirements
pertaining to installation of factory-built fireplaces.
These replaces are intended for installation and use
according to standard NFPA No.11 of the National Fire
Protection Association.
7. This replace must not be installed with a masonry
ue.
8. This replace and chimney should not be used for
venting a wood or coal burning heater or replace
insert.
The replace is designed to sit directly on a combustible
oor. The replace must be installed with clearances to
combustible building materials specied in this manual.
Only parts manufactured by Vermont Castings Group and
labeled for use with the replace should be used in the
installation of this replace except for special roof ashings
that may be fabricated locally. The use of improper parts in
the installation can be hazardous and voids the warranty
offered by Vermont Castings Group.
This replace is designed to burn wood. This replace is not
designed to burn coal, unplumbed liquid fuels, unplumbed
gaseous fuels or household refuse. Any attempt to burn
these fuels in the replace can be hazardous.
Failure to heed usuage warnings may cause a re hazard
and will void the Warranty. This replace is intended for
supplemental heating only and is not intended for use as
a primary heating system. For use with Solid Wood Fuel,
UL Classied Processed Solid Fuel Fire Logs, or Certied
Decorative Gas Appliance.
Improper installation or use of this replace will void the
warranty and can cause:
1. Damage to the replace from overheating.
. Hazardous temperatures to develop on combustible
materials adjacent to the replace or chimney.
3. The emission of smoke, sparks or hazardous gases
into the dwelling.
4. Leakage of rain water into the dwelling.
SB38 / SB44 Series Woodburning Fireplace
87D0057 5
When an AK4 combustion air assembly and a combustion
air duct are attached to the connecting point on the left of
the replace, combustion air may enter the rebox through
a dampered opening behind the left side panel. This feature
is designed for your benet to reduce the room air used for
combustion and to prevent excessive loss of heat from the
room. When the replace is in use, this damper should be
open. When the replace is not in use, the damper should
be closed to prevent cold air from entering the rebox. The
combustion air damper is open when the lever, located on
the left side of the rebox near the top of the left rebrick,
is up and closed when the lever is down.
Outside air for combustion is optional unless required by
federal, state or local building codes. See the section of
this manual providing the instructions for installation of
the combustion air assembly. The design of the replace
allows the routing of the combustion air duct up, down,
or horizontally to obtain the outside combustion air. This
permits exibility in planning your installation. Refer to Page
21 for typical installation methods. Review the precautions
and recommendations in this manual pertaining to outside
combustion air installation.
Glass doors should be installed to receive the maximum
benet from your replace. For large res, the maximum
heating benet from the replace will be obtained with the
doors open due to the high amount of radiant heat being
emitted out of the front opening of the replace. With a
small re, or before retiring in the evenings, it is best to
operate the replace with the doors closed to prevent
excessive room air from being drawn up the chimney.
When the doors are open, the mesh screens should be
closed to help keep burning embers from popping out of
the rebox.
The replace should also be equipped with a ue damper,
which must be open when the replace is in use. The ue
damper control lever is located inside the replace. The
counterweighted damper is operated by simply pushing
up to open or pulling down to close the damper. When
the replace is not in use, the damper should be closed
to prevent cold air form entering the chimney as well as
preventing warm air in the room from escaping up the
chimney.
It is normal for a small amount of smoke to be
released from the upper portion of the replace the rst few
times you use your new replace. This results from an
oil residue on the metal. Open a door or window to allow
the smoke to escape.
The grate included with this replace helps to appropriately
locate and contain the burning wood. Failure to use this
grate may cause overheating of parts of the replace and
allow large pieces of burning wood to roll forward out of the
rebox. If the grate becomes warped or damaged, it must
be replaced with grate number 050499 for the SB44/44HB;
05874 for the SB38/38HB.
Fireplaces equipped with doors should be
operated only with the doors fully open or doors fully
closed. If doors are left partly open, gas and ame may be
drawn out of the replace opening, creating risks of both
re and smoke.
All replace chimneys are in direct contact with cold air
on the exterior of the structure. Consequently, when the
replace is not in use, cold air can fall down the chimney of
the replace to cool off the replace chase. Therefore, the
replace chase must be insulated to minimize the risk of
cold air inltration to the home. Even if the replace chase
is adequately insulated, this cannot completely ensure that
cold air inltration into the structure will be eliminated. Cold
air inltration is a possibility with any replace or device
that freely communicates with the air on the outside of
the structure. Today’s homes are more energy-efcient
and, therefore, better insulated and tightly constructed.
Unfortunately, when air is removed from the house, as by
a bathroom fan, or consumed by a furnace, additional air is
needed to replace the air consumed. Unless the additional
air is supplied, this can cause a negative pressure in the
home. When this happens, the house will draw in outside
air form the cracks in the windows, down the replace ue
or other locations of air leakage in the home. Because
cold air inltration may be unavoidable in some structures,
Vermont Castings Group is not responsible for heat loss or
air inltration through or around the replace.
SB38 / SB44 Series Woodburning Fireplace
687D0057
28”
96M”
266”
166”
9/16”
46QE”
46QE”38”
4756”
1/8”
66”
1156QE”
27”
856QE”
3556”
52(6”
106QE” 8(6”
116”
1556:O”
SB38 dims
1/09
Figure 2
SB44 / SB44HB
34”
96M”
166”
266”
9/16”
44”
5356”
856QE”
27”
1156QE”
66”
1/8”
3556QE”
52(6”
106QE”8(6”
116”
1556:O”
SB44 dims
1/09
46QE”
46QE”
11” ID Flue
13C\,” OD Outer Pipe
Gas Line Opening
Outside Air Opening
Figure 1
SB38 / SB38HB
Gas Line
Opening
Outside Air
Opening
11” ID Flue
13C\,” OD Outer Pipe
Required 1Z\x”
Air Space
Required 1Z\x”
Air Space
SB38 / SB44 Series Woodburning Fireplace
87D0057 7
Figure 3
476”
5356”
FP1875
SB4800 features
8/08
Chimney Cap
Roof Flashing
Flue Outlet Height to Floor
Storm
Collar
15 ft. = Min. Height (No offsets)
15 ft. = Min. Height ( 30° Elbows)
1 ft. = Min. Height (4 30° Elbows)
86 ft. = Max. Height (Chimney sup-
port every 5 ft.)
Chimney Sections
Maintain ” Minimum Air
Space Between Chim-
ney and Combustibles
Flexible Duct
Type FP-4-U
Combustion Air
Assembly
Nail to Framing Members
Galvanized Metal Strip
Do Not Restrict
Side Air Inlet Vents with Sur-
round or Trim Materials
Floor Line
Top Spacer
Firestop
FP1875
SB38 / SB44 Series Woodburning Fireplace
887D0057
5356O”
536”
FP2236
SB5400 Residential install
Chimney Cap
Roof Flashing
Chimney Section
Maintain ” Min. Air
space between Chimney
and Combustibles
Flexible
Duct Type
FP-4-U
Combustion
Air Assembly
FP36
Nail to Framing
Members
Galvanized Metal Strip
Do not restirict
side air inlet vents with sur-
round or trim materials
Storm Collar
Flue Outlet Height to Floor
15 ft. = Min. Height (No offsets)
15 ft. = Min. Height ( 30° Elbows)
1 ft. = Min. Height (4 30° Elbows)
86 ft. = Max. Height (Chimney
Support every 5’)
Floor
Figure 4
Firestop
SB38 / SB44 Series Woodburning Fireplace
87D0057 9
This replace does not weigh more than large pieces of
furniture and can normally be located near a load bearing
wall without requiring additional foundations or supports. If
however, the replace is to be trimmed with a heavy stone
or brick facing and hearth extension, be sure the supporting
structure is adequate.
6456QE” Min.
536”196”
Min.
926” Min.
196”
Min.
**16"
Min.
156O”
Air Space
Clearance
27(6”
Min.
FP2237
SB65400 framing
2356O" Min.
*28” Min.
*Applies when Glass Doors are not installed
**Applies when Glass Doors are installed
Figure 6
606M” Minimum
196”
Min.
476”
85(6” Minimum
196”
Min.
27(6”
Minimum
2356O” Min.
*28” Min.
**16”
156O” Minimum Air Space Clearance
FP1879
opening dims
8/08
*Applies when Glass Doors are not installed
**Applies when Glass Doors are installed
Figure 5
FP37
FP1879
Figures 5, 6 and 7 provide dimensional details of the
replace, required spacing to combustible walls, and some
suggested replace locations. When selecting a location,
choose one that is away from frequently opened doors,
central heat outlets or returns, or other places where air
movements may disturb the airow around the replace.
Air turbulence near the replace may cause smoke to spill
out of the replace opening.
SB38 / SB44 Series Woodburning Fireplace
10 87D0057
Figure 7
FP2220
fireplace location
Corner
Full Protection
Flush
FP0
A
B
C
FP1531
hearth dimensions
9/04 djt
SB38/38HB 36” (914 mm) ” (559 mm) 0” (508 mm)
SB44/44HB 4” (1067 mm) 8” (711 mm) 0” (508 mm)
Figure 8
FP1531
SB38 / SB44 Series Woodburning Fireplace
87D0057 11
Figure 9
8’ 0”
Level
FP1880
install prep
8/08
Joist - Insulate
Same as Ceiling
Refer to Notes
Firestop Spacer
Solid
Surface
Chimney Cap
Flat Chase
Top Flashing
Chimney
Section
Insulate Outside
Walls of Chase
Solid Continuous
Surface
Insulation
(Thermal Barriers)
Outside Base
FP1880
1. Firestop spacer must be used.
. Local codes may not require A
restop at the ceiling level for chase
installation, but it is recommended
for safety and reducing heat loss.
3. Do not insulate the chase with blown
or ll type insulation. Insulation
should only contact the replace at
points where the replace would nor-
mally be contacted by framing mate-
rials.
Survey the planned location for the replace for overhead
plumbing or electrical wires, etc., that might complicate
the installation or endanger persons installing or cleaning
the chimney. Avoid a location where the chimney cap will
be near abrupt changes in the roof shape, nearby wall
or embankments, under or near trees or above the roof
of a single story wing of a two story building. Figure 11.
All these conditions can cause turbulence or pressure
conditions that can cause poor chimney draft and smoke
spillage from the replace opening. Elbows may be used
to offset the chimney to avoid obstructions or to locate the
chimney cap in a preferred location. Refer to the sections
of this manual pertaining to chimney offsets for instructions
on proper elbow use. Poor installation or location of the
chimney cap and/or components can cause wind blown
rain to enter the chimney.
Be sure the selected location will allow a 17” square
combustible material-free space for the chimney to pass
through. If the chimney is to pass through living or storage
spaces, be sure there is adequate space to enclose the
chimney to avoid personal contact with, or damage to, the
chimney. If the replace is to be installed on an outside
wall, the surrounding walls (chase) should be constructed
and insulated as shown by Figure 9. Failure to insulate the
replace form outside temperatures will cause heat loss
through and around the replace.
SB38 / SB44 Series Woodburning Fireplace
1 87D0057
18’ Min.
FP1881
single story install
8/08
Chimney Cap
Storm Collar
Flashing
Flue Outlet Height
3’ Min. or ’ Above
any Point within 10’
See Table
1 for Roof
Opening Size
Attic Space
Firestop Spacer
(” Air space
Clearance to
Combustibles)
Chimney
Sections
17”
Square
Opening
in Joist
FP1881
Figure 10
FP1882
chimney location
8/08
Figure 11
Preferred Location
Poor Location
FP188
3 ft. Min.
FP1883
multistory install
8/08
Figure 12
Chimney Cap
Storm Collar
(Included with cap)
Flashing
See Table 1 for
Roof Opening
Size
Attic Space
Firestop
Spacer (”
Air Space
Clearance to
Combustibles)
” Clearance to
Combustibles (Min.)
17” Square
Opening in
Joist
Third Floor
Area
Second
Floor Area
First Floor
Area
Flue Outlet Height
17” Square
Opening in
Joist
17” Square
Opening in Joist
Firestop
Spacer
Firestop
Spacer
FP1883
that you insulate the replace enclosure to
eliminate cold air penetration as much as possible.
Insulate base of replace with a noncombustible insulation
rated for a minimum of 300° F. Insulating is very important
for outside wall installations over a concrete slab. If re-
place is installed on a platform, insulation should be placed
on top of the platform before replace is set. Figure 9
When a replace is installed in a chase or on an outside
wall, enclosure should be treated like any outside wall in
a home. Insulation should be installed on the inside wall
as well as the outside wall(s). In a chase, it is also a good
idea to install a restop at the rst ceiling level above the
replace and enclose the chase with sheeting material.
Insulation may then be installed above sheeting material to
assure the space around the replace is totally protected.
Figure 9
Figures 10 & 12
” Minimum Clear-
ance to Combus-
tibles
SB38 / SB44 Series Woodburning Fireplace
87D0057 13
If this replace is installed on a combustible oor, the oor
area 0 inches in front of, and 1 inches either side of the
replace opening must be protected by an insulating non-
combustible hearth extension. This hearth extension may
be either minimum 6-inch thick stone or brick as shown
by Figure 13, an H066 hearth extension kit or a locally
constructed equivalent to the H066.
The H066 hearth extension kit consists of sufcient in-
sulation board to cover the oor area with 1/” inch layer
of insulation. A piece of galvanized steel is included in the
kit to cover the insulation before a nishing layer of non-
combustible material of stone, brick, tile, etc., is applied to
nish the hearth extension.
Figure 15
Figure 13
12”
Min.
6” Min.
20” Min.
12”
Min.
FP2238
SB5400 dec hearth
Hearth
Safety Strip is Re-
quired When Unit
is Placed on a
Combustible Floor
or Platform
Brick or Stone Hearth Extension
- SB38/38HB 6” Long Min.
- SB44/44HB 68” Long Min.
Alternate brick or stone hearth
extensions for use with the SB38/
SB44 Series replace when
placed over a combustible oor
without insulation board protec-
tion.
FP38
12” 12”
20”
FP2239
SB5400
hearth protection
Screened Opening
FP39
Minimum Hearth Extension Dimensions
A hearth extension placed on a
combustible oor must be constructed
with rigid insulation which has a mini-
mum “R” value of 1.16 or a “K” value of
0.43. The insulation must be covered
with a noncombustible covering such as
a tile, stone, marble, or a piece of 0.018
minimum sheet metal which is needed
to protect the insulation. Follow instruc-
tions provided with the for all other
specications and directions for proper
installation of the replace and hearth
extension.
FP1168
finishing front
12/20/01 djt
Do not
place nishing materials
beyond these edges or
cover air inlets
Screen
Rail
Hearth
FP1168
Figure 14
SB38/38HB - 6” Min.
SB44/44HB - 68” Min.
The insulation used in the H066 hearth extension has a
thermal conductivity (K factor) of 0.43. If you do construct
a hearth extension equivalent to the H066, be sure the
insulation you use has enough compressive strength to
support the weight of the covering materials and persons
standing on it, and insulating qualities equal to or better
than the 1/” covering provided by the H066.
SB38 / SB44 Series Woodburning Fireplace
14 87D0057
The ability of insulating material to retard the transfer of
heat may be expressed as either Thermal Conductance
(C), Thermal Conductivity (K), or Thermal Resistance (R).
The mathematical relationship of these values and the for-
mulas for converting one value to another is as follows:
C= K divided by the material thickness
(Example C = .43 divided by 1/ (.50)
C = .86)
K = C multiplies by the material thickness
(Example K = .86 multiplied by 1/ (.50)
K = .43)
R= The material thickness divided by K
(Example R = 1/ (.50) divided by .43
R = 1.16)
With either type hearth extension minor shifting of the sup-
porting oor or expansion and contraction may eventually
cause a crack to develop between the hearth extension
and the face of the replace. To help prevent the crack from
developing, the hearth extension materials must be rmly
fastened in place. Wall ties should be screwed to the face
of the replace and imbedded in the mortar joints of brick,
stone, or other noncombustible materials. The metal safety
Figure 17
266”
20”
FP2239
floor protection
Figure 16
FP39
Metal Safety
Strip
Combustible
Floor
FP2240
floor protection 2
12”
Min.
12”
Min. 20” Min.
Top of Raised
Hearth Floor Line with Raised
Hearth
Hearth Extension Metal Safety
Strip
FP40
The hearth extension and the
metal safety strip should be installed only
in a horizontal relationship to the replace. SB38/38HB - 6” Min.
SB44/44HB - 68” Min.
strip packed with the replace must be placed beneath the
replace and extended under the hearth extension or into a
mortar joint of the hearth extension as shown by Figures 13,
16 & 17. In the event a crack does eventually develop, the
metal safety strip will serve as a barrier to prevent sparks
or embers from falling from the replace onto combustible
ooring materials.
SB38 / SB44 Series Woodburning Fireplace
87D0057 15
Finish the wall with material of your choice.
Figure 18. If a combustible material is
used below a at mantel shelf, consult your local building
codes for minimum clearance from top of replace opening
to bottom of mantel shelf.
All joints (top, bottom and sides) where wall or decorative
facing material meets replace surround must be com-
pletely sealed with a noncombustible material. Figure 19
MA81
rev. 8/5/97
rev. 4/18/01
156O"
Ref.
*
* *
MA81
Figure 18 -
Combustible Mantel Clearances
Face Plate
SB38 / SB44 Series Woodburning Fireplace
16 87D0057
FP531
surround flush with
finish wall
12/20/01 djt
12"
(305 mm)
Max.
18"
(457 mm)
min.
6”
(152 mm)
156O"
12"
(305 mm)
Max.
18"
(457 mm)
min.
156O"
6"
(152 mm)
Min.
3/4"
FP683
Figure 19 -
Mantel Clearance
Header
Must be sealed with non-
combustible material
Surround
Face
Finished Wall
Ledge Bracket
Finished Wall
Ledge Bracket
Combustible
Mantel and Trim
Fireplace Opening
Noncombustible
Material
Combustible
Mantel and Trim
Finished Wall
Header
Ledge Bracket
Noncombustible
Material
Surround
Face
Noncombustible Facing
Material
Fireplace Opening
x 4 Stud
Finished Wall
Must be sealed with
noncombustible
material
SB38 / SB44 Series Woodburning Fireplace
87D0057 17
FP2225
SB6000 fireplace components
FP2241
SB5400 components
SB38 38” front opening replace. Includes rescreen, sealing ue damper and outside combustion air capa-
SB38HB bility. When installed, outside combustion air can be connected to either left or right side. Refer to
installation instructions for details. HB models have herringbone pattern rebrick.
SB44 44” front opening replace. Includes rescreen, sealing ue damper and outside combustion air capa-
SB44HB bility. When installed, outside combustion air can be connected to either left or right side. Refer to
installation instructions for details. HB models have herringbone pattern rebrick.
11CF1 1” chimney section
11CF18 18” chimney section
11CF3 36” chimney section
11CF4 48” chimney section
11CF30- 30° elbows (package contains two 11” diameter elbows) One pair is required for each offset.
11CS Chimney support (required when chimney height exceeds 30 feet)
SLTCF11 Chimney cap for contemporary installations.
RLTCF11 Round chimney cap for contemporary installations.
RLTCF11L Extended chimney cap for contemporary installations.
8-6-1 0-6/1 pitch ashing for contemporary installation.
8-1-1 6/1 to 1/1 pitch ashing for contemporary installation.
FSA Vertical Firestop spacer - One required at each ceiling or oor level.
FS6A 30° Firestop spacer - for 30° chimney incline through ceiling or oor.
FP-4-U 4” insulated combustion air duct, 8’ length.
403 4” duct connector (for splicing FP-4 ducts). Includes clamps.
AK4 4” outside combustion air assembly.
GDB48, GD48B Optional polished brass glass door kits.
GDB54, GD54B, GD54SS
H066 Hearth extension. Protects oor against sparks and radiant heat (residential installation). 0” x 68”
SB38
SB44
GDB48, GD48B
GDB54, GD54B,
GD54SS
Glass Doors
AK4 Combustion Air
Assembly
RLTCF11
SLTCF11
Chimney Cap RLTCF11L
Extended Chimney
Cap
H066 Hearth
Extension Kit 11CF30-
Elbow
11CS
Chimney Support
11CF4 11CF3 11CF18 11CF1
Chimney Sections
8-6-1 or 8-1-1
Flashing
FSA or FS6A
Firestop Flat Washer
36” or 7” (13Z\x” Dia. Hole)
SB38HB
SB44HB
SB38 / SB44 Series Woodburning Fireplace
18 87D0057
Unpack and check the replace and chimney for dam-
age. If any items have been damaged, report this to your
dealer. Before beginning the installation, be sure you have
the proper parts in sufcient quantity. Refer to Page 37 for
proper identication of parts.
Do not substitute parts. Use only parts listed for use with
the Models SB38 Series or SB44 Series replaces.
1. Refer to Figures 3 & 4 for an example of a typical instal-
lation of the replace components.
. Be sure the location of the replace will provide the
required clearances indicated by Figures 1 through
6 and the minimum chimney air space clearance to
combustibles of two inches.
3. Set the replace in the desired location and be sure
it is securely supported and leveled. Check the face
of the replace with a carpenter’s level and if it is not
plumb; correct it by placing shims under the edges of
the replace.
4. Block in the replace to prevent any shifting of the re-
box. Secure the replace with nails or screws through
the anges located on each side of the replace. Do
not enclose the replace until the combustion air duct
and chimney pipes are installed.
Some local codes may require electrically ground-
ing the replace and chimney.
In order to assure safe and satisfactory performance of the
replace, it is very important to properly install the chimney.
This is an important part of the installation and the sections
of this manual pertaining to chimney installation should be
reviewed very thoroughly.
For your safety, some of the important things to remember
in regard to chimneys are listed below:
1. Use only parts and accessories labeled for use with this
replace.
. Use only undamaged parts and accessories.
3. Enclose the chimney where it passes through the living
spaces to prevent contact with and possible damage to
the chimney.
4. Install restop spacers at each ceiling level.
5. Install the proper chimney cap or chimney housing on
the chimney to prevent the entry of rain and debris
into the chimney and to assure the proper venting of
smoke.
6. Do not use more than four elbows in the chimney.
To select the proper chimney height, refer to Figure
3 or 4. The ue outlet must be a minimum of three feet
above the highest point where the chimney penetrates the
roof and a minimum of two feet above all portions of the
building within ten feet. If the chimney is to include elbows
to offset the chimney, refer to the Chimney Offset and Cap
Installation section of this manual. There must be at least
two inches air space between all sections of the chimney
and combustible materials between oors.
SB38 / SB44 Series Woodburning Fireplace
87D0057 19
1. Lay out, cut and frame openings through all ceilings
and the roof at the point where the chimney will pass
through. Unless the chimney is to be offset, the point
where the center line of the chimney will pass through
the ceiling and roof can be determined with a plumb
line as shown by Figure 21. The replace should be
located in the planned installation position. After the
center line is established and a nail is driven to mark
the point, the opening can be cut if you are satised
with the chimney location relative to ceiling and roof
joists and/or any other obstructions. The roof opening
center line should be marked by driving a nail through
the roof from underneath that will penetrate the roof
and can be located from the rooftop. If the chimney is
to penetrate a pitched roof, the hole in the roof must
be rectangular instead of square and should be sized
according to Table1.
. Install the restop spacer as required from beneath the
ceiling unless the space above is attic space. In an attic,
the restop spacer should be installed at the oor level
of the attic. You must have joists or headers on all four
sides of the spacer and use a minimum of four 8-penny
nails to secure the spacer.
Figure 20
2' Min.
2' Min.
3'
Min.
10'
3'
Min.
10'
AC617
RLTSKC8
2/11/98
AC617
Flue outlet should be two feet above all portions of the building
within ten feet as shown in Figure 20. The chimney must not extend
more than 90 inches above the roof without additional support.
3. To install the chimney sections, insert the male end of
the ue, the smallest diameter pipe, into the ue outlet
of the replace and press down until the snap locks
engage. Continue the process, adding the chimney
sections on top of each other until the chimney is at
least six inches above the roof opening on all sided. As
the chimney sections are installed, check each joint to
make sure it is properly locked to the previous section.
If additional strength of the outer pipe joints is desired,
you may use two or three sheet metal screws placed
through the area where the outer pipes overlap one
another. To install these screws, drill a 1/8-inch diam-
eter hole through the chimney sections, taking care not
to penetrate the inner ue pipe. : Be very
careful when drilling the holes into the outer pipe. The
drill must not penetrate the inner stainless steel pipe.
If you intend to have a total replace installation
of more that 30 feet you must use chimney support model
11CS at or below 30 feet to support the weight of additional
chimney pipe.
To install the chimney support, place the crimped end of
the ue and outlet air duct portions into the last section
of chimney pipe. Push down until the outside or inlet air
duct of the chimney support overlaps and snap locks the
chimney support into the chimney section.
Nail the support straps tightly to a building frame member
or ceiling joist as shown by Figure 20. You must use at
least two 8-penny nails per strap.
SB38 / SB44 Series Woodburning Fireplace
0 87D0057
&P
CENTERPOINT
Centerline of
Chimney
Figure 21
Actual Center Point
Plumb Line
Plumb Bob
Imaginary Center
Point
FP1891
FP1890
chimney install
8/08
Figure 22
Outer Pipe
Flue
Support Straps
Fasten Securely
Firestop
Chimney Support
Snap Lock Chimney
Support Securely to
Lower pipes Before
Fastening Support
Straps
FP1890
FP 548b
SHR
5/11/99 djt
Angle of Chimney at Ceiling
Size of Chimney Vertical 30˚
11" CF 2-Wall FS2A
1756O" x 1756O"
(445 x 445 mm)
FS6A
17(6" x 296"
(454 x 753 mm)
CHIMNEY HOLE SIZE
&0
FIRESTOPINSTALL
Figure 23
Inlet Air Pipe
Ceiling Joist Flue Pipe
Firestop Spacer
Chimney Section
Header
Floor
Joist
Inlet Air Pipe
Flue Pipe
Firestop Spacer
Chimney Section
Header
FP189
This manual suits for next models
3
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