Vermont Castings Stratton Mounting instructions
Homeowner’s
Installation and
Operating Manual
30004508 5/13 Rev. 10
4508
Stratton cover
5/08
Vermont Castings Stratton
30004508
Thank you for purchasing a Vermont Castings, Stratton replace. This replace is carefully engineered to include the
latest in wood combustion principles and modern foundry technology.
You can count on years of comfortable heating and pleasurable re viewing if you operate and maintain the Stratton
according to the directions in this owner’s guide.
The Stratton is listed by Underwriter’s Laboratories, and is in compliance with the standards set forth by the Federal En-
vironmental Protection Agency, 40 CFR Part 60.53(b), as stated on the permanent label attached to each appliance.
This manual describes the installation and operation of the Stratton replace. This heater meets the US Environmental
Protection Agency’s emission limits for wood heaters sold after July 1, 1990. Under specic test conditions this heater
has been shown to deliver heat at a rate ranging from 10,000 to 7,550 BTU/hr.
For more complete details on the Stratton performance and specications, please refer to Page 4.
The Stratton is designed, tested and listed for burning wood. Do not burn other fuels.
We recommend that you hire a professional installer certied by Wood Energy Technical Training (WETT) to install your
Stratton, or to advise you on the installation should you attempt to install it yourself.
Please read the appropriate sections of this manual before you install and use your Stratton. For information on opera-
tion and maintenance of the Stratton, refer to Pages 18 and .
The Stratton replace can use 100% outside air with the optional AKMST Outside Air Kit installed.
Failure to follow these instructions may result in property damage, bodily injury or even death.
Introduction ...............................................................
Safety Information .................................................... 3
Specications ........................................................... 4
Planning Information................................................. 7
Installation ................................................................ 8
Operation ................................................................ 0
Maintenance ........................................................... 4
Replacement Parts ................................................. 8
Optional Accessories .............................................. 30
Warranty ................................................................. 31
Fuels used in gas, woodburn-
ing or oil red appliances, and the products of combus-
tion of such fuels, contain chemicals known to the State
of California to cause cancer, birth defects and other
reproductive harm.
California Health & Safety Code Sec. 549.6
3
Vermont Castings Stratton
30004508
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.
The Stratton replace is a clean burning, non-catalytic,
EPA certied solid fuel, wood burning, heat circulating
replace.
Vermont Castings Group replaces and component parts
have been tested to operate safely when installed in ac-
cordance with instructions provided in this manual. Care-
fully read and understand all instructions before 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:
•
•
(except for chase
ashings as detailed in Vermont Castings Group
Chimney Top installation instructions).
• Vermont
Castings Group
•
Vermont Castings
GroupVermont
Castings Group
Consult local building codes to ensure that you are in
compliance installing the replace.
This replace and chimney system must be vented out-
doors.
The replace should not be located in areas with excessive
drafts (ie: areas with frequently opened doors and central
heating air inlets/outlets) that disturb the normal ow of
air into the re.
The Stratton is shipped with a brick template
in place to be used as a guide to nish brick or other
noncombustible materials to its edge. This brick template
removed and replaced with an optional trim kit
before burning the replace.
4
Vermont Castings Stratton
30004508
EPA Emissions Rating .......................................3.0 g/hr
Range of heat output*.............. 10,100 - 7,550 BTU/hr
Maximum heat output** ..........................40,000 BTU/hr
Area heated*** ................................... up to 1,500 sq. ft.
Size of wood splits ....................18”-0” (460 - 508 mm)
Fuel Capacity......................................... 30lbs. (13.5kg)
Loading ..................................................................Front
Flue size .................................................... 8” (03 mm)
Fireplace weight ................................. 390 lbs. (177 kg)
Primary Air Control ............................................ Manual
Glass panel.......................... High-temperature ceramic
Flue exit position...................................................... Top
Blower rating...............................150 cfm. (115V, 60Hz)
*Under specic test conditions used during EPA emissions
standard testing.
**This value can vary depending on how the unit is oper-
ated, and the type and moisture content of the fuel used.
Figure shown is based on maximum fuel consumption
obtained under laboratory conditions and on average ef-
ciencies.
***These values are based on operation in building-code
conforming homes under typical winter climate conditions.
If your home is of nonstandard construction (e.g. unusu-
ally well insulated, not insulated, built under ground, etc.)
or if you live in a more severe or more temperate climate,
these gures may not apply. Since so many variables affect
performance, consult your Vermont Castings’ Authorized
Dealer to determine realistic expectations for your home.
Stratton specications and framing.
Gravity vent ducting may be installed on top of the replace to supply additional heat to the room the replace is in or
an adjacent room.
1/2” (13 mm)
326:O”
(815 mm)
356”
(79 mm)
1236:O”
(325 mm)
366:O” (918 mm)
Rough
Opening
Height
2656O” (673 mm)
3556M” (895 mm)
16”
(406 mm)
33(6:O”
(98 mm)
736:O”
(207 mm)
1236:O”
(325 mm)
356”
(79 mm)
3656O” (927 mm)
Rough Opening Width
Rough
Opening
Depth
11” Dia.
8” Dia.
25” (635 mm)
9”
(229 mm)
22(6:O”
(564 mm)
4508
Stratton Specs
5/08
5/8” (16 mm)
5/8” (16 mm)
23”
(584 mm)
51” (1295 mm)
51” (1295 mm)
72” (1829 mm)
1/2” (13 mm)
Minimum
1/2” (13 mm)
Minimum
36” (914 mm)
3656O” (927 mm)
Outside
Air
Electrical
Access
Outside
Air
5
Vermont Castings Stratton
30004508
4508
Stratton finish specs
5/08
32”
(812 mm)
3436:O”
(882 mm)
38" (965 mm)
Stratton with brick template in place.
Install nish wall
before installing
face plate.
FP1858
Stratton parts id
5/08
FP1875
gravity vent kit
7/08
12”
(305 mm)
Min.
24”
(610 mm)
Min.
Fireplace and chase parts identication.
FP1858
Insulation methods shown are
optional for cold climate, not a
requirement for unit operation.
Termination Cap
Storm Collar
Pan Flashing
Draftstop
Batt Insulation
(cut out around
restop)
Firestop
Ceiling
Level
Standoff
Metal Safety Strips
(1, or 3 pieces)
Batt
Insulation may
be used in the
Chase.
Electrical Access
Outside Air Access
Duct Grille
Flex
Duct
FP1875
6
Vermont Castings Stratton
30004508
D
Rise
BG
H
B
Offset
C
E
6 FT.
G
H
A
Hearth
Floor
Chimney
Section
CHIMNEY FLUE EXIT
Elbow
FP269
MBUF
5/16/96
rev. 5/25
TCS8A
Support
Example 1 Example 2 Example 3
G + H cannot exceed 0 feet.
Air Space Clearances: “SK” Series (-wall) = 1Z\x” Min. to Combustibles
“S” Series (3-wall) = ” Min. to Combustibles
The following safety rules apply to offset
installations (letters correspond with il-
lustration above):
Height of the chimney is measured
from the hearth to the chimney exit.
Stratton
Maximum: 50’
Minimum:
Without Elbows 19’0”
With Elbows* 19’0”
With 4 Elbows* 1’0”
Do not use more than 4 elbows per
chimney.
Attach the straps of the return (top) el-
bow to a structural framing member.
The offset (rst) elbow of any pair does
not have straps.
FP69
The chimney cannot be more than 30°
(45° in Canada) from the vertical plane in
any installation*.
The maximum length of the angled run
of the chimney system is 0 feet. (G
plus H cannot exceed 0 feet.)
A chimney support (Model SKCS8)
is required every 6 feet of angled run of
chimney. Chimney supports are required
for every 30 feet and 60 feet (SK8 pipe) or
0 feet and 40 feet (3-wall pipe) of vertical
chimney height above the hearth.
Determine the offset distance of your
chimney arrangement from the centerline
of the replace to the centerline of the
chimney where it is to pass through the
rst ceiling.
This offset distance may not be
your full offset distance. See Examples
and 3.
Chimney system requirements.
FP8
0 0 0 0 0 3” 11”
1 0 0 0 0 8Z\₄" 0"
0 1 0 0 0 11Z\₄" 5Z\₄"
0 0 0 0 13Z\x" 9Z\₄"
1 1 0 0 0 16Z\x" 34Z\₄"
0 0 1 0 0 0Z\₄" 40³\₄"
1 0 0 0 1³\₄" 43Z\x"
0 0 0 1 0 6Z\₄" 51Z\₄"
0 1 1 0 0 8Z\x" 55Z\₄"
1 0 0 1 0 31Z\x" 60Z\₄”
0 1 0 1 0 34Z\x" 65Z\x"
0 0 0 0 37Z\x" 70³\₄"
1 1 0 1 1 41Z\x" 77³\₄"
0 0 1 1 1 45" 83³\₄"
0 1 0 1 47Z\₄" 87Z\x"
0 0 0 1 51" 94"
0 1 1 1 1 53Z\₄" 98"
0 0 3 0 1 56Z\₄" 103Z\₄"
0 1 0 1 59Z\₄" 108Z\x"
0 0 1 1 6Z\₄" 113Z\x"
0 1 3 0 1 64Z\x" 117Z\x"
0 0 1 1 68Z\₄" 14"
0 1 1 1 70Z\x" 18"
0 0 0 3 1 74Z\₄" 134Z\x"
0 1 1 78" 140³\₄"
0 0 3 1 81" 146"
0 1 0 3 84" 151Z\₄"
0 0 87" 156Z\x"
0 1 3 1 89Z\₄" 160Z\₄"
0 0 1 3 93" 166³\₄"
0 1 95Z\₄" 170³\₄"
0 0 0 4 99Z\₄" 177³\₄"
0 1 1 3 101Z\₄" 181³\₄"
0 0 3 104Z\₄" 186Z\₄"
0 1 0 4 107Z\₄" 191Z\x"
0 0 3 110Z\₄" 196³\₄"
0 1 3 3 114" 03Z\₄"
0 0 1 4 3 117³\₄" 09³\₄"
0 1 3 3 10" 13Z\x"
0 0 0 5 3 13³\₄" 0"
¹⁄₂
FP282
MBUF
5/26/96
Offset
Rise
30°
Return
Elbow
30°
Return
Elbow
30°
Offset
Elbow
30°
Offset
Elbow
7
Vermont Castings Stratton
30004508
In planning a chimney system, it is important to know:
1. The height of a chimney is measured from the hearth
to the exit point on the termination.
. A chimney cannot be offset more than 30° from a vertical
plane.
3. A chimney may run straight up or it may be necessary
to offset it to avoid obstructions.
4. The maximum length of an angled run (total chimney
system) is 0 feet.
5. No more than offsets (4 total 30° elbows in U.S./or
total 45° elbows in Canada) per replace may be
used.
6. A guy wire stabilizer is required for chimneys extending
more than 6’ (1.8 m) above a roof line.
The majority of U.S. building codes specify a minimum
chimney height above the roof top. The “Ten Foot Rule” is
a re safety rule rather than a rule to ensure proper draft.
To ensure proper draft, it is recommended that you always
meet or exceed the “Ten Foot Rule,” especially when install-
ing a termination on a high pitch roof. (Fig. 6)
The key points of the “Ten Foot Rule” are:
1. If the horizontal distance from the chimney to the peak of
the roof is 10’ (3 m) or less, the top of the chimney must
be at least ’ (610 mm) above the peak of the roof, but
never less than 3’ (914 mm) in height above the highest
point where it passes through the roof.
. If a horizontal distance from the chimney to the peak of
the roof is more than 10’ (3 m), a chimney height refer-
ence point is established that is on the surface of the roof
a distance of 10’ (3 m) from the chimney in a horizontal
plane. The top of the chimney must be at least ’ (610
mm) above the reference point, but never less than 3’
(914 mm) in height above the highest point where it
passes through the roof.
2' Min.
2' Min.
3'
Min.
0 To 10'
3'
Min.
0 To 10'
AC246
4/1/96
Reference
Point
AC46
Ten Foot Rule illustration.
Planning an installation is very important to ensure safety
and to save time and money. An installer must predeter-
mine where a replace will be set and plan how the chimney
system will be run.
Also, when planning your installation, consider nishing
materials you will be using for hearth and walls.
1. The replace bottom must be ush with the top of the
material used for the hearth.
. If you are using a thick stone or brick, you may want to
consider mounting the rebox further out to achieve the
amount of inset from the stone face to the unit face.
3. Be sure to follow all safety guidelines described in this
manual when choosing the materials for construction.
The replace is shipped with lifting handles attached to
each side with steel straps. The lifting straps are
intended for lifting the replace from the skid and nal
positioning. The replace should remain on the skid until
nal positioning. After the replace is in position, the lifting
handle and straps may be removed or left in place.
A replace may only be mounted on the following sur-
faces:
1. A at combustible surface.
. A raised wooden platform.
3. A concrete block or other solid object placed beneath
each of the four (4) corners of the replace.
The replace be spaced 1/” (13 mm) from a com-
bustible back wall and 1/” (13 mm) from a combustible
side wall or support. (Page 15, Fig. )
Determine how the chimney will be run, the length of the
run and the chimney components required to complete the
job. (Fig. 5) install a chimney below the minimum
heights specied in this manual.
L1
L1
LTTOTAL
LENGTH
(LT)
INSTALLED
LENGTH
(L1)
56O
"
56O
"
56O
"
56O
"
56O
"
56O
"
56O
"
56O
"
FP288A
MBUF-INSTALLED LENGTH
Triple wall
1/28/99 djt
TRIPLE
WALL
81
818
83
84
Installed lengths of chimney sections.
SK81 11Z\x” 10Z\x”
SK818 17Z\x” 16Z\x”
SK83 35Z\x” 34Z\x”
SK84 47Z\x” 46Z\x”
FP88a
8
Vermont Castings Stratton
30004508
The SK chimney system can be supported by the replace
for vertical chimney heights up to 30’ (9 m) above the
hearth. Chimney supports are required if the vertical height
exceeds 30’ (9 m). Locate chimney supports at ceiling
holes or other structural framing at 30’ (9 m) intervals. Spac-
ing between chimney supports exceed 30’ (9 m).
Use Chimney Support Model SKCS8.
Support
provided by elbow straps fullls the support requirement
only if they are spaced as previously described. (A chimney
support is Z\x" (64 mm) long when installed.)
Angled chimney runs require a support every 6’ (1.8 m) in
addition to the elbow straps. Chimney supports are used
for this function. (Fig. 7)
FP284a
TCS8A
8/21/00
Chimney Sup-
port Strap
SKCS8
FP84a
Chimney support installation.
A chase is a vertical box-like structure which encloses the
replace and/or chimney. A chase is typically built on the
outside of the house with the replace opening cut into the
outer wall of a room. (Page 5, Fig. )
If you need help in determining replace location or how
the chimney system should be run, contact your Vermont
Castings dealer for assistance.
If you live in a cold climate, it is not required but
that you insulate the replace enclosure
to reduce cold air penetration as much as possible.
Insulate the base of the replace with a noncombustible
insulation rated for a minimum of 300° F. Insulating is
for an outside wall installation over a
concrete slab. If the replace is installed on a platform,
insulation should be placed on top of the platform
replace is set in place. (Fig. 8)
When a replace is installed in a chase or on an outside
wall, the 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
the sheeting material. Insulation may then be installed
above sheeting material to assure the space around the
replace is well sealed. (Fig. 3)
When installing the chimney, caulk between the
outer pipe of the chimney and the restops. It is vital that
some air be allowed to ow through this very thin gap.
To minimize air inltration from the chase to the home,
seal all joints between the nished wall and the replace
sheet metal. Use only noncombustible materials, such as
rock wool, plaster or mortar to seal these joints.
FP1859
Platform insulation
5/08 djt
Hard
Flat
Surface
Insulation
Platform
FP1859
Insulating between platform and replace.
9
Vermont Castings Stratton
30004508
Framing can be constructed before or after the replace
is set in place, however, most installers build the frame
before setting the replace.
Frame the replace opening with x 4 lumber or heavier
materials. Refer to framing dimensions shown in Figure
1.
Framing should be positioned to accommodate
wall covering and replace facing material.
This replace is wired for the optional FK6STRAT fan
kit. The fan requires 10VAC, 60 Hz power which may
be connected to the right side of the replace using the
romex pigtail provided with the unit. This power must
be completed the replace is secured and nish
material applied. The romex pigtail should be ocnnected
to house power inside a junction box which includes wall
switch or rheostat.
1. Attach the white wire from house power to the white
wire of the romex pigtail and secure with a wire nut.
. Attach the black wire from the house power to the black
wire of the romex pigtail and secure with a wire nut.
3. Attach the ground wire from house power to the ground
wire of the romex pigtail and secure with a wire nut. (Fig.
9)
The wire nuts must be tight.
Check local building codes to determine if a junction
box is required at the romex pigtail/house wire connection.
Also read junction box and speed control (SCVS) instal-
lation instructions.
Since you have already planned the chimney run, you
should know exactly how the installation is to be ac-
complished - the amount of pipe required, the number of
elbows, if any, and type of termination to be used.
Report to your dealer any parts damaged in
shipment, specically check the end connection of chimney
sections and elbows.
Fireplaces may use Vermont Castings Group Model
SK8, or Model S (three wall) chimney systems. The Strat-
ton Series Fireplace will accept the SK8 chimney system
as shipped; but a TWABR adapter collar is required when
using the Model S (triple wall) chimney system. The instal-
lation procedure described in this manual applies to
the SK8 system. Either chimney system may be used, but
the systems be mixed. The replace must be
modied to install the TWABR adapter. (Fig. 10)
To mark the centerline of the ue, put the replace in nal
position and measure out from the wall: 9Z\x" (41 mm).
Mark a spot on the ceiling directly above the replace.
Draw a line parallel to the back wall through this mark.
(Fig. 10)
Using a plumb bob positioned directly over center point
of replace ue collar, mark the ceiling to establish the
chimney center point. (Fig. 10)
In order to clear an obstruction, it may be necessary to
offset the chimney from vertical. This is accomplished by
using the elbows. Use the 30° Offset Elbow table on Page
6 to determine proper offset and parts required.
Each offset requires two () elbows. The second elbow is
equipped with support straps. It is very important to install
the second elbow in each offset as close to the ceiling or
support as possible so the elbow straps can be secured
to framing members and help support the weight of the
chimney.
Determine offset distance of the chimney arrangement
from the centerline of the replace to the centerline of the
chimney where it is to pass through the ceiling.
Locate the center point of the chimney on the ceiling as
though a straight up chimney arrangement is to be used.
Measure your offset dimension from the straight up chim-
ney center point on the ceiling.
FP1062
romex pigtail
8/21/00 djt
Romex Pigtail
(Provided)
Fireplace Electrical
Coverplate
Wire Nuts
(Not pro-
vided)
Ground
Black
White House
Wiring
(10V
60Hz)
FP106
Wiring diagram.
10
Vermont Castings Stratton
30004508
FP551b
17 1/2"
Framing chimney hole
5/13/99 djt
Existing
Ceiling
Joists
Chimney
Hole
Ceiling
New Framing
Members
FP551b
Typical frame for ceiling chimney hole.
Ceiling chimney hole sizes necessary for installing
restop spacer.
8" Flue SKFSA SKFS6A
"SK" Series 14Z\x" x 14Z\x" 14Z\x" x 5Z\x"
(368 mm x 368 mm) (368 mm x 648 mm)
8" Flue FSA FS6A
"S" Series 3-Wall 17Z\x" x 17Z\x" 17⁷\₈" x 9⁵\₈"
(445 mm x 445 mm) (454 mm x 753 mm)
Frame the ceiling chimney hole as shown in Figure 1. It is
good practice to use framing lumber that is the same size
as the ceiling joists; this is a requirement at attic level.
The following table gives restop spacer model num-
bers:
FP1860
LOCATE CENTER LINE
Circulating model
5/08 djt
956O"
(241mm)
Chimney Centerline
Actual Centerpoint
Plumb Line
Plumb Bob
Imaginary
Centerpoint
FP1860
Locate centerline of chimney with plumb line.
The size of the hole in the ceiling will vary with the angle
at which the chimney passes through the ceiling.
Drive a nail into the ceiling at the previously marked chim-
ney center point. Go to the oor above and locate the
chimney center and ensure existing ceiling joists and other
possible obstructions, such as wiring, plumbing etc., are not
in the path of the planned chimney. If necessary, re-position
the chimney and/or replace to avoid obstructions.
Cover the replace collar opening and cut the proper sized
chimney hole in the ceiling.
The of the frame the same as
the hole size selected from Figure 11 in order to provide
the required 1Z\x” (38 mm) air space between the outside
diameter of the chimney and the edges of the framed ceil-
ing hole.
Slide the replace into position.
Safety strips are used to ensure that a combustible surface
in front of the replace is protected at the gap between the
replace and the required noncombustible hearth exten-
sion.
When the nished extended hearth is added, the top of
the nished hearth must be ush with the bottom of the
replace. “Z” shaped metal safety strips have been supplied
with the replace and are required for most installations.
The safety strips provided have a 1” offset. For applications
with a greater offset, “Z” shaped strips will have to be fabri-
Cut upper shield at
6³\₄” radius to accept
TWABR triple wall
adapter
11
Vermont Castings Stratton
30004508
FP1861
Install metal
safety strips
5/08
“Z” Metal Safety
Strips (1 or pcs.)
“Z” Safety Strip
Hearth Ext.
Fire-
place
Plat-
form
FP1861
1Z\x”
(38 mm) 1/” Min.
Overlap
Safety strip installation.
Decorative
Hearth
Face
1/”
Nailing
Flanges
cated of metal. Overlap safety strips at least 1/” to provide
a positive joint. The safety strips must also extend at least
1Z\x” (38 mm) beyond the sides of the replace. (Fig. 13)
Safety strips are not required over noncombustible
oors where all supports at the base of the replace are
noncombustible.
1. This unit is shipped with four (4) nailing anges pre-
mounted on either side of the replace to accommodate
two () different drywall thicknesses. The 1/” drywall
anges are shown in Figure 13 while the top and bottom
anges are for 5/8” drywall.
. Bend the desired anges out 90° on both sides of the
replace. Slide the replace into the framed opening
until the anges contact the front surfaces of the fram-
ing. Level the unit and secure rmly in place.
Risk of re may occur if a 1/” minimum spac-
ing is not maintained between the replace and framing
members.
Fasten replace in position.
Nail Top Standoffs
Nail Side
Nailing
Flanges
FP186
FP1862
nailing flanges
5/08 djt
Internal Outside Air Cover Plate
(Shown in the closed position for
use with AKMST)
An outside air kit may be installed on the Stratton. The
AK-MST allows for 100% of required combustion air to
come from a source outside of the house. If desired, or if
local codes mandate the use of an air kit, then an AK-MST
is required to complete the installation (from air kit to the
outdoors). If the outside air kit is to be used, the AK-MST
MUST be installed BEFORE the replace is enclosed.
Four (4) inch Class 1 air duct, material or metal duct
(not supplied) may be used with AK-MST.
The duct termination should be located so it is exposed to
an out-of-doors opening of at least 100 square inches. If
the duct termination must be located in a crawl space or
basement, be sure the termination area has 100 square
inches of ventilation opening to outside air.
The duct termination must be located so it does not com-
pete for air ow with exhaust fans, gas vent hoods or other
air consuming devices or appliances. It must not be blocked
by rafters, insulation materials or other obstructions. The
less restrictive the air supply, the better the AK-MST will
perform.
It is a good practice to protect your hands and eyes during
installation by wearing work gloves and safety glasses.
Determine the location of the replace as described in the
replace Installation Manual. Then plan location of the
duct termination and the route of the duct run between the
replace and the duct termination.
The duct run must be limited to a maximum distance of 40
feet (1 m) from the replace pipe collar to duct termination.
This will provide the least restriction to air ow. No more
than four (4) 90° elbows may be used. The duct run may
be horizontal, vertical, inclined or any combination of these.
Vertical duct runs must be at least three (3) feet below the
replace chimney ue exit. (Fig. 15) You are now ready to
install the AK-MST Outside Air Kit.
1
Vermont Castings Stratton
30004508
FP1060
AKMST installation
7/6/00 djt
Duct Termination Must
be More Than 3’ Below
Chimney
40’ Max.
Duct Run
Duct Termi-
nation Ceiling
Attic
Duct
Exterior Wall
Rain Cap
Duct Termina-
tion
40’ Max. Duct Run
Duct
FP1060
Typical installations.
FP1061
AKMST
rain cap
7/6/00 djt
Caulking
Wall
Duct Termination
Rain Cap
FP1061
Caulk and secure the duct termination/rain cap in
place.
FP1592
outside air cover
10/05
Outside Air
Opening
FP159
Attach the inlet collar.
1. Remove the outside air cover plate located at the cen-
ter of the right or left (either may be used) side of the
replace. Discard the outside air cover plate. Use care
not to rub against the sharp edges of this opening to
avoid cuts.
. Use the screws removed from the cover plate to at-
tach the inlet collar to the side near the bottom of the
replace. (Fig. 16) Slide the duct over the collar and
attach the duct to the collar using the plastic tie straps
or three (3) screws (screws not provided). Continue to
assemble duct sections using three (3) screws at each
joint until you have installed sufcient duct to reach the
duct termination location.
3. At the termination end, install the duct termination.
This should be installed from the outside of the home.
Cut a hole in the desired location approximately 4Z\x”
in diameter, caulk around the hole, and slide the ter-
mination through the opening from outside the home.
The termination/rain cap should be caulked around its
perimeter to assure a tight seal. The rain cap opening
should be positioned downward. (Fig. 17)
The AK-MST Outside Air Kit is now installed and ready
for use.
Start by attaching the rst chimney section to the collar on
top of the replace.
Install the pipe as pictured in Figure 18. When you get
a good lock, you will clearly hear the pipe snap together.
Once sections are snap-locked in place, it is extremely
difcult to get them apart.
13
Vermont Castings Stratton
30004508
When installing elbows, only the outer pipe will snap- lock.
Middle pipes simply slide into position. Be sure to always
attach straps on the upper elbow to a structural framing
member. (Fig. 19)
Continue installing the pipe as required until pipe is in-
stalled through the ceiling. At this point, you must install a
restop spacer.
FP270/271
CR Series
2/19/99 djt
Support Structure
Ceiling Hole
Framing
Elbow Strap
(must be tight)
Angled Firestop
Chimney Support Strap
(must be tight)
FP70/71
Attach straps to a structural framing member.
UP
FP1566
EWF Pipe install
Circulating models
3/05 djt
Pipe Section
Pipe
Rim
Hem
Lance
Pipe
Hem
FP1566
Install pipe, listening for the snap-lock to fasten.
A restop spacer is used to keep pipe spaced properly and
is required for safety.
Nail the restop spacer (at each corner) to the framing
members of the ceiling hole. A restop spacer is
not required at the roof.
Hole sizes listed in Figure 11 for angled restop spacers
provide minimum required air space to chimney pipe for
ceiling thickness up to 8” (03 mm). When the combined
thickness of ceiling material, ceiling joists and ooring ma-
terial exceeds 8” (03 mm), adjustments must be made in
framing to assure that minimum air spaces to the chimney
are maintained.
Figure 0 shows different installation procedures for both
an area that is an attic and an area that is not an attic.
If the area above the ceilingan attic, position the
restop spacer on the ceiling side and the angled portion
extending up into the hole.
If the area above the ceiling an attic, position the restop
spacer on the top of the framed hole and the angled portion
extending down into the hole.
Firestop spacers are not available for, nor are they required
on vertical walls.
put any sealant around the area where the outer
pipe slides through the restop spacer. If you seal this
area,
FP593
SR/C
11/20/97
Nails (4)
Joist
Firestop Spacer
Joist
Firestop Spacer
Nails (4)
FP593
Firestop spacer installations.
In Canada, an attic insulation shield is required to prevent
attic insulation from contacting the chimney section. Fram-
ing dimensions for the chimney hole should measure 14Z\x”
x 14Z\x” (368 x 368 mm). An attic shield MUST be installed
on top of attic joists (above the oor level). (Fig. 1)
Z\x
14
Vermont Castings Stratton
30004508
IGF263
MBUF
5/9/96
Attic Insulation
Shield
Nails
(4 Required)
Attic Joist
Ceiling
Base Flanges
FP63
Attic shield installation (Canadian requirement).
Continue attaching pipe sections to complete the system
up to the next level. Always be sure the pipe is rmly snap
locked in place before proceeding to the next pipe sec-
tion.
If chimney supports are required, they are installed in the
same manner as elbows. Nail chimney support straps to
adjacent structural framing, as shown in Figure 19. Bend
straps as necessary and make sure they are secure so
they will support the weight of the chimney. A chimney
support is Z\x" (64 mm) long when installed. Consider this
dimension when determining how many straight chimney
sections are needed.
Chimney supports are generally used in long runs
in a chase installation.
If you encounter additional ceilings, repeat the steps
outlined for the rst ceiling installation. See the restop
illustration in Figure 0.
Run pipe to the rooine. Since the chimney system must
be vented to the out-of-doors, you use an approved
Vermont Castings Group termination.
If a chase is used, refer to the installation manual provided
with the termination cap.
Use the same procedure detailed to locate the center point
of the ue system.
Drive a nail up through the roof at the center point. This
will indicate the center point on the outside of the roof
surface.
The size of the roof hole varies with the type of chimney
termination to be used. Refer to installation instructions
provided with the chimney termination to correctly size
the roof hole.
There must be a 1Z\x” (38 mm) air space between outermost
portion of chimney sections and any adjacent combustible
surfaces. (Combustible surfaces include burnable materi-
als such as: ceiling members, joists, ooring, combustible
insulation and roof structures.)
Mark an outline of the roof hole using the nail as a center-
point. Hole dimensions given in the chimney top in-
stallation instructions are dimensions; therefore,
the hole size must be marked on the roof accordingly.
Cover the opening of the installed chimney so debris can-
not get into the system.
Cut and frame the hole. It is good practice to use framing
lumber that is the same size as the rafters. Install the frame
securely because the chimney top and ashing anchored
to the frame must be able to withstand heavy winds.
Since you have preplanned the height of your termination
according to the Ten Foot Rule, continue to install pipe to
the predetermined height.
Check the chimney top installation instructions for details
on how high above the roof top the chimney sections (all
pipes) should extend.
Follow the installation instructions provided with the chim-
ney termination you have selected.
Refer to Page 5, Figure 3 for an illustration of a typical
chase installation.
Use of restop spacers and construction of a
chase may vary with type of building. These instructions
are not a substitute for local building codes. You
check your local building codes to determine specic re-
quirements for your city or state. Other building
materials may be required in addition to Vermont Castings
Group Firestop Spacers.
15
Vermont Castings Stratton
30004508
A gravity vent may be installed to supply additional heat to
the room the replace is in or to adjacent rooms. Figures
, 3 and 4 show the necessary components for gravity
vent ductwork. These parts must be fabricated or supplied
by your replace dealer.
Two () ex ducts must be installed.
1. 1” (5 mm) minimum air space must be maintained
around the ex ducts.
. If the ex ducts are going to be stretched beyond their
shipped length, cut the insulation in the middle and
use half at the unit end and the other half at the duct
outlet end.
3. The ex ducts may also be vented to adjacent
rooms.
FP2427
gravity vent comp
Wall
Grate
Duct Box
(Fig. 3)
Polyethyline Jacket Covering
1” of 3/4 lb Insulation
Cut away to
show alumi-
num duct.
Do not cut
for installa-
tion.
Aluminum 303 “0” Temper
.0065 Thick Triple Lock
Flex duct 8” Dia.
Flex Duct
Collar
(Fig. 4)
FP47
Gravity vent components.
126”
106QE”
66QE”
256QE”
4(6QE”
756QE”
14(6"
123(6:O”
7(6QE”
256:O”
5556QE”
96QE”
556O”
356O”
9/32”
36:O”
8” Dia.
FP2428
duct box dims
Duct box dimensions
FP48
96EM”
3/8”
5/8”
7(6” Dia.
FP2429
flex duct collar dims
FP49
Flex duct collar dimensions.
Made from .06” thick aluminized sheet metal
1. Remove knockout from outer top of replace.
. Remove the circular cutout from the white insulation
under the outer top.
3. Remove the two () screws holding each of the cover
plates onto the top heat shield below the white insula-
tion. Remove the cover plates.
4. Insert the ex pipe collar down through the hole in the
outer top, tab end rst.
5. Reach down through the ex pipe collar and bend the
three (3) tabs to hold the collar in place above the top
heat shield.
6. Select the ex duct location. The ex ducts can vent
through the side of the chase, through its front, or one
each through both the side and the front. Either or both
ex ducts may also be vented into a room behind, be-
side or above the room in which the replace is in-
stalled. The ex ducts must be installed at least 1”
(305 mm) from the ceiling and no lower than 4” (610
mm) above the top of the replace. Figures 5 and 6
show construction dimensions for some of the com-
mon ex duct placements.
7. Install the ex duct. Before installing the ex duct box
assemblies, you may wish to paint the inner surfaces
with high temperature stove paint to reduce the glare
from reected light.
Install the two duct box assemblies in their framed open-
ings. (Fig. 7)
If desired, paint the inner surface of each ex duct for
about 6” (15 mm) to eliminate reected glare; attach this
end to the ange of the duct box assembly.
Cut the tubing a few inches too long with a serrated
kitchen knife - it can be compressed during installation.
The ex duct must t onto both collars of the duct box as-
semblies and the full length of the ” (51 mm)-all the way
around the collars.
Secure each end of the ex ducting to the appropriate col-
lar with sheet metal screws provided. Holes for the screws
must be drilled rst around the perimeter through both the
ex duct tubing and the ange with an 1/8” (3 mm) bit.
Space the holes as evenly as possible around the collar.
16
Vermont Castings Stratton
30004508
I
B
D
E
F G H
C
B
A
C
FP1092
WinterWarm
Side vent framing
dimensions
4/2/01 djt
A. 36Z\x” (97 mm) F. 6” (15 mm)
B. 36Z\x” (97 mm) G. 1” (305 mm)
C. 89” (60 mm) H. 9³\₄” (48 mm)
D. 5Z\x” (1334 mm) I. 3” (584 mm)
E. 1” min. (305 mm min.)
” x 4” or
Smaller
FP109
Suggested dimensions and framing for side-venting
the air ducts of the chase.
H
B
D
E
C
B
A
C
FP1093
WinterWarm
Front vent framing
dimensions
4/2/01 djt
E
GF F
A. 36Z\x” (97 mm) E. 1” min. (305 mm min.)
B. 36Z\x” (97 mm) F. 9³\₄” (48 mm)
C. 89” (60 mm) G. 1” (305 mm)
D. 5Z\x” (1334 mm) H. 3” (584 mm)
FP1093
Suggested framing and dimensions for venting the air
ducts through the chase front.
Use metal tape to seal around the connection of the ex
duct to the duct box assembly and the ex duct to the ex
pipe collar.
8. Install vent cast grilles. Position the cast grilles over
the duct box openings, and mark for the four (4) screw
holes in each. Using a 5/3” (4 mm) bit, drill through the
drywall and duct box assembly collars. Install the duct
grilles with the Phillips at head black oxide screws.
12"
(305 mm)
Min.
&0
AIRDUCTS
1“ (25 mm)
Duct Box
Assembly
Duct
Box
Assem-
bly
Flex
Ducting
FP1577
In addition to installation on the front, duct box assem-
blies may be mounted on the sides of the chase or vented into
adjacent rooms, but in no case below 4” from the top of the
replace. Both ducts must be installed.
(Fig. 8, 9)
Finish the wall with a material of your choice.
If a combustible material is used below
a at mantel shelf, consult your local building codes for the
required minimum clearance from the top of the replace
opening to the bottom of the 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. (Figures
9 and 33) Suitable materials include rock wool, plaster,
cement mortar, cement board, etc.
No side wall protection is required for replaces
installed at 45° to two () side walls (corner installation).
17
Vermont Castings Stratton
30004508
FP1865
AIR SPACES
circulating models
5/08 djt
Combustible framing material MUST NOT
penetrate AIR SPACE (shaded areas)
Standoff
1Z\x”
(38 mm)
Firestop
1/” (13 mm)
Space to Back
1/” (13 mm)
Air Space to
Sides
Wall
Shield
0” Clearance
to Floor
Hearth Extension FP1865
Minimum clearances to combustibles.
1/” (13 mm) Air
Space to Sides
FP1200
Fireplace surround detail
Must be sealed with
noncombustible material
Mantel Shelf
Finished Wall
x 4 Stud
Standoff
Steel Face Plate
See mantel drawing for
shelf-to-grille dimension
1/” (13 mm)
Minimum
Fireplace Steel
Face Plate
x 4 Stud
FP100
Finish materials placement.
Noncombustible Finish
Material Only in this Area
FP1398
Combustible mantel minimum opening.
FP1398
wood mantels
8/18/03 djt
*6"
(159 mm)
Min. 12"
(305 mm)
Min.
156O"
(38 mm)
12"
(305 mm)
Max.
*
3156O” (800 mm)
To Floor
Combustible
Mantel and
Trim Finished Wall
Header
Standoff
Noncombustible
Material
Grille Opening
Fireplace Steel
Face Plate
The height that a combustible mantel is tted above the
replace is dependent on the depth of the mantel. This also
applies to the distance between the mantel leg (if tted)
and the replace.
For the correct mounting heights and widths, refer to Fig-
ures 30 and 31. When using paint or lacquer to nish the
mantel, such paint or lacquer must be heat resistant to
prevent discoloration.
The front face may not be covered by any material, but a
noncombustible material may be trimmed along the top,
left and right sides of the front face. The brick template
is shipped with the unit and is a 1/4” (6 mm) larger than
the front face to help with this installation. Also, up to 7/8”
( mm) of noncombustible material may cover the sheet
metal surround of the replace and be behind the front
face. Be aware that doing this will change the amount the
door protrudes from the face.
18
Vermont Castings Stratton
30004508
MA81
Combustible mantel clearances.
MA81
rev. 8/5/97
*
156O"
Ref.
**
Combustible materials
are permitted within a
shaded area shown in
Figure 28 titled
Minimum Wall
Clearances
COMMON MATERIALS AND FACTORS
MATERIAL K* R MINIMUM
THICKNESS
EH2416
Micor 300
Common Brick
0.458
5.0
1.09 1.0 in.**
0.10 10.92 in.**
R Value is for 1/2 inch.
* Units of K = BTU/SQ FT/HR/˚F/IN
** Thickness of Listed Material
FP533ADD
Addendum
6/1/99 djt
8/4/99 changed .2 to .1
one inch to 1/2 inch djt
FP533ADD
Hearth extension material factors.
FP1202a
EWF30
SEALING DETAILS
6/05
Wall Covering x 4 Header - Do not
notch at standoffs
Noncombustible
Decorative
Facing
Seal all cracks between
replace surround
(steel) and wall materi-
als with noncombus-
tible material.
Face Plate
Noncombustible
Decorative
Covering
Safety Strips - Must be
overlapped 1/” minimum
FP10a
Sealing gaps.
Noncombustible
Material
Adjacent combustible side walls that are within minimum
dimensions shown in Figure 34 of the replace opening
must be protected with a specically built wall shield as
shown in Figure 8.
The special wall shield design shown in Figure 8 is an
alternate method of adding protection to side walls.
1. Manville - CERAFORM 16, K=.7,
1/ inches thick
. EH416, K = .458,
1 inch thick required.
A hearth extension is required to protect a combustible oor
in front of the replace. Refer to Figure 34 for minimum
dimensions and mounting detail.
The hearth extension described in Figure 34 must be a
durable noncombustible material with a minimum (total)
; see Figure 3 for examples. The overall
height (above a combustible oor), depth and width must
be as indicated, with the extension centered to the replace
opening.
The top of insulation must be covered with a non-com-
bustible decorative covering a piece of .018” minimum
thickness sheet metal to protect hearth extension material.
(Fig. 34)
Secure the hearth extension to the oor to prevent shifting.
Use trim molding or other similar means at the three (3)
outer edges. Seal the crack between the replace hearth
and hearth extension with a noncombustible material.
(Figs. 33 and 34)
Alternate noncombustible materials may be used providing
the (total) thermal resistance (Rt value) of the alternate
material employed is greater than or equal to R = .18.
Thermal resistance (R) or thermal conductivity (K), may
be obtained from manufacturer of the material. Factors
are related by the formula K = 1/R. (Fig. 3)
T = given thickness
R = thermal resistance for a given thickness (T)
K = thermal conductivity
19
Vermont Castings Stratton
30004508
NEW K of new material (per inch) thickness
required = X of listed
thickness K of listed material (per inch) material
Noncombustible material with a lower R value may be
used provided the thickness of the material is sufcient to
maintain an equivalent (total) thermal resistance (Rt).
To determine the thickness required for any mate-
rial:
T (new) = 5.0/0.458 x 1.0 in. = (new required
thickness).
FP101a
Combustible side wall protection and hearth extension dimensions.
Minimum Wall Clearances
WITH
Noncombustible
Surround Facing
WITHOUT
Noncombustible
Surround Facing
Minimum Hearth Extension Dimensions
(for On-Site Construction)
G
HG
J
Seal cracks
between the
fireplace
and hearth
extension with
noncombustible
material
"Z" Safety strips
must overlap
56O" minimum
May install
noncombustible
decorative
covering
OR .018" min.
sheet metal
Fireplace
Opening
Combustible
Floor
FP1201
EPA combustible min.
3/20/02 djt
Firebox
Opening
A - Min. clearance
to combustible
perpendicular wall
B - Min. clearance
to combustible
perpendicular wall when
using noncombustible wall shield*
Side
Wall Side
Wall
F**
C**
E
E
D
4" Brick
(Example material)
Combustible material permitted within shaded area.
* Noncombustible wall shield requires 1" EH2416
insulation (minimum R Value = 1.85) between decorative
noncombustible rigid covering and combustible wall.
Minimum height and width is 40" x 40".
** Dimension/degree of angle will vary depending on thickness
of noncombustible surround facing.
4"
NOTE: No material may
cover face plate.
Hearth extension must be
flush with bottom of fireplace.
1" Min.
1" Min.
EH2416 or
Equal "R" Value
Shaded area starts
1/2" away from
edge of unit
A B C D E F G H J
Stratton 4” 1” 17° 5° 1” 8” 8” 18” 53”
610 mm 305 mm 305 mm 03 mm 03 mm 457 mm 1346 mm
0
Vermont Castings Stratton
30004508
The fallaway handle is used to open and close the front
door. Remove after each use so the handle will not get hot.
Keep in convenient location for each use. (Fig. 35)
After the steel face plate has been installed, twist the
wooden primary air control knob onto the shaft. Tighten
carefully until snug. Do not overtighten. Wood handle could
crack. (Fig. 35)
FP1869
handles
6/08
Primary Air Con-
trol Handle
Steel Stub
Fallaway
Handle
FP1869
Fallaway handle and air control handle.
1. Remove ashlip from rebox. Remove wrapping.
. Align clevis on ashlip with threaded holes in bosses
located beneath the Stratton door. Orient ashlip with
clevis pointing down. (Fig. 36)
3. Install ashlip to rebox using a Phillips screwdriver and
hardware provided.
Two controls regulate the performance of the Stratton re-
place: A primary air control supplies oxygen for the re and
an optional variable-speed fan control, or rheostat may be
used to regulate the warm air ow into the room.
A single air control regulates the amount of heat the re
will produce and how long it will burn.
The is located in the upper left corner
of the unit. (Fig. 35) It is the primary source of air for start-
ing, maintaining, and reviving the re.
Generally, more air entering the replace makes the re
burn hotter and faster, while less air prolongs the burn.
The air supply is open to the maximum when the control
lever is pushed in, and closed when pulled out. To vary
KT1097
ashlip clevis
Firebox
Ashlip
Screw
Washer
Clevis
Threaded
Boss
KT1097
Screw
Washer
Clevis
Threaded
Boss
Install ashlip.
the burn rate, adjust the control to the desired position in
between these extremes; opening the primary air control
makes the unit burn hotter. Closing the control slows the
unit down. You may adjust to any position you desire.
The Stratton is intended only for use with the door fully
closed. (Fig. 37)
The Stratton is designed to burn natural wood only; do
not burn other fuels.
You will enjoy the best results when burning wood that has
been adequately air-dried. Avoid burning “green” wood
that has not been properly seasoned.
The best hardwood fuels include oak, maple, beech, ash,
and hickory that has been split, stacked, and air-dried
outside under cover for at least one year.
For areas that do not have a supply of hardwood, com-
monly burned softwoods include tamarack, yellow pine,
white pine, Eastern red cedar, r, and redwood. These too
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