Vermont Castings Merrimack Mounting instructions
30004671 5/12 Rev. 6
For Use in North America
Homeowner’s
Installation
and Operating
Manual
Nous recommandons que nos appareils de chauffage
au bois soient installés et entretenus apr des
professionnels qui ont été accrédités aux É.-U. par le
National Fireplace Institute® (NFI) comme étant des
spécialistes du NFI en matière d’appareilsde chauffage
au ois, ou qui sont accrédités au Canada
dans le cadre du Programme
de formation technique
en énergie du bois (WETT)
4671
Merrimack cover
227-S-37-6.2
2
Merrimack Large Insert
30004671
Specications .............................................................3
Installation ..................................................................4
Operation ....................................................................9
Maintenance .............................................................13
Optional Accessories ................................................16
Replacement Parts ...................................................17
Warranty ...................................................................19
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. 25249.6
Thank you for purchasing a Vermont Castings Merrimack Large Insert, an efcient wood stove carefully engineered to
bring you the latest in wood combustion principles and modern foundry technology.
This stove transforms a traditional masonry replace into a powerful heater. You can count on years of comfortable heat-
ing and pleasurable re-viewing if you operate and maintain it according to the directions in this Owner’s Guide.
This Insert has been tested and listed by OMNI-Test Laboratories of Portland, Oregon to UL1482-1996(R2006) for the
United States and ULC S628-93 for Canada. This Insert is listed to, and in compliance with, the standards set forth by
the Federal Environmental Protection Agency, 40 CFR Part 60.532(b), as stated on the permanent label attached to the
stove.
This manual describes the installation and operation of this Insert. This heater meets the U.S. 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 10,750 to 31,780 BTU/hr.
For more complete details on stove performance and specications, please refer to Page 3.
The Merrimack Large Insert is designed, tested and listed for burning wood. Do not burn other fuels.
Installation or service of the Merrimack Large Insert should be performed only by a qualied installer, preferably NFI or
WETT (Canada) certied.
Please read entire manual before you install and use your new Insert.
Failure to follow these instructions may result in property damage, bodily injury or even death.
3
Merrimack Large Insert
30004671
EPA Emissions Rating .......................................3.6 g/hr
Range of heat output*.............. 10,750 - 31,780 BTU/hr
Maximum heat output** ..........................55,000 BTU/hr
Area heated*** ................................... up to 2,000 sq. ft.
Size of wood splits .......................... up to 22” (560 mm)
Fuel Capacity.......................................... 40 lbs. (18 kg)
Loading ..................................................................Front
Flue size .................................................... 6” (150 mm)
Fireplace Insert weight ....................... 480 lbs. (218 kg)
Primary Air Control ............................................ Manual
Glass panel.......................... High-temperature ceramic
Flue exit position...................................................... Top
Blower rating...............................150 cfm. (115V, 60Hz)
Power Cord Length................... 6 foot useable installed
*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.
The gure shown is based on maximum fuel consumption
obtained under laboratory conditions and with average
efciencies.
***These values are based on operation in building-code
conforming homes under typical winter climate conditions
in New England. If your home is of nonstandard construc-
tion (e.g. unusually 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 expecta-
tions for your home.
Merrimack Large Insert dimensions.
2956” (740 mm)
246M” (629 mm)
126QE”
(313 mm)
266QE”
(668 mm)
17556QE” (449 mm)
2356QE”
(605 mm)
4671
Merrimack dims
76QE”
(183 mm)
3156O" (800 mm) 256” (645 mm)
4
Merrimack Large Insert
30004671
The Merrimack Large Insert is listed for installation within
a properly built masonry or heat circulating, masonry-type
replace that is constructed in accordance with the require-
ments of recognized building codes. A heat-circulating
masonry-type replace must conform to building code
standards for masonry replaces, and must consist of a
factory-built metal rebox with air circulation pathways
that are surrounded by masonry materials. Air circulation
pathways must not be blocked by the insert or surround
panels.
The replace and chimney must be clean and structurally
sound. Have them inspected by a qualied professional
chimney sweep, a mason, or your Vermont Castings’
Authorized Dealer before the Merrimack Large Insert is
installed. Any deterioration (cracks, loose mortar or loose
bricks) must be repaired.
Codes may permit removal of the damper in order to make a
positive vent connection between the rebox and the chim-
ney. However, the replace should not be modied in any
way without rst checking with your local building inspector
or re marshal. Provision should be made to restore the
replace to its original condition if the insert is removed.
Do not remove bricks or mortar that may jeopardize the
compliance of the replace with local building codes.
Chimney requirements differ for the U.S. and Canada.
Specications for each are listed below. Connect the
insert to the chimney in accordance with local codes and
the requirements of the listing agency as specied in this
manual.
Chimney height should be no less than 15’ (4.5 m) above
the hearth and no more than 35’ (10.5 m).
The chimney should extend at least 3’ (914 mm) above the
highest point where it passes through a roof, and at least
2’ (610 mm) higher than any portion of a building within
10’ (3 m). (Fig. 2)
• A connector must extend from the ue collar
to the ue liner.
• The cross sectional area of the ue must be less
than or equal to three times the area of the ue
collar. If larger, the chimney must be re-lined.
• Means must be provided to prevent room air
passing to the chimney cavity.
• Provision must be made for removal of the
insert to clean the chimney ue.
• While not required in most jurisdictions in the U.S.,
MHSC strongly recommends that a full stainless
steel chimney liner be installed for the insert to the
chimney top to increase overall performance and to
ease and reduce yearly maintenance.
• A masonry chimney must be well-constructed and
must meet minimum code requirements. The chim-
ney ue should have a code-approved liner made of
masonry or pre-cast refractory tiles, straight or ex-
ible stainless steel pipe, or a poured-in-place liner.
An unlined chimney must be relined professionally.
• The chimney must have a nominal ue size of 6” (152
mm) diameter or 28 square inches (181 cm2) but no
greater than 3 times larger or 85 square inches (548
cm2). A chimney larger than this must be re-lined.
Be aware that a chimney originally designed for replace
use may perform differently when used to vent an air-
controlled appliance such as your Merrimack Large Insert
- even if the ue is less than 3 times larger than the ue
collar. For example, a chimney on an outside wall may
not heat up enough to sustain an adequate draft. Such a
ue can often be improved if it is relined to reduce its size
and/or insulated to keep it warmer.
2' Min.
2' Min.
3'
Min.
0 To 10'
3'
Min.
0 To 10'
AC617
RLTSKC8
2/11/98
AC617
Reference
Point
The 2’-3’-10’ rule for chimneys.
5
Merrimack Large Insert
30004671
• A positive ue connection must be made between
the Insert and the rst masonry tile or prefabricated
metal chimney section. A positive ue connection
consists of a plate that seals or replaces the replace
damper and a section of chimney connector that
passes through the plate into the chimney.
• The chimney connector must be a minimum equiva-
lent to a 6” (152 mm) diameter opening and must be
24 gauge or heavier stainless steel.
Chimney Connection systems are available from a variety
of manufacturers. Your Vermont Castings dealer can rec-
ommend a system that will best meet the requirements of
your particular installation.
• The chimney must be sealed off from room air, ei-
ther by a plate at the damper level or by sealing the
replace opening.
• Unused openings to the ue must be sealed with ma-
sonry to the thickness of the chimney wall. Openings
sealed with pie plates or wallpaper are a hazard.
In the event of a chimney re, ames and smoke
may be forced from the openings.
• This replace insert must be installed with a
continuous chimney liner of 6” (152 mm) diam-
eterextending from the replace insert to the top
of the chimney. The chimney liner must conform
to the Class 3 requirements of CAN/ULC-S635,
Standard for Lining Systems for Existing Masonry
or Factory-Built Chimneys and Vents, or CAN/
ULC-S640, Standard for Lining Systems for New
Masonry Chimneys.
• The opening of the replace around the insert
must be sealed to prevent room air passing to
the replace cavity.
• Existing air-circulation chambers in a replace
with a steel liner may not be blocked.
• Provision must be made for removal of the insert
to clean the chimney ue.
• The existing replace damper (if any) should be
locked in the open position.
• A permanent metal warning label must be afxed
to the back of the replace stating the replace
may have been altered to accommodate the in-
sert, and may be unsafe to use as a conventional
replace. (A Fireplace Modication Tag is included
in the hardware bag inside the Merrimack Large
Insert.)
The Merrimack Large Insert will t many replaces. To
conrm that it will t yours, measure the lintel depth, plus
the height, width, and depth of your replace and hearth.
Compare them to the measurements in the accompany-
ing chart. If you choose to install a new hearth over an
existing replace hearth, be sure to take its thickness into
consideration when measuring both front and back height
of the replace and clearances to any existing trims and
mantels.
The clearance between the Merrimack Large Insert
and the mantel, top trim and side trim cannot be reduced
by installing shields.
Another requirement to consider is the clearance for mov-
able items such as tables, bookcases, rugs, furnishings, and
your woodbox. All combustible materials of this type should
be a minimum of 48” (1220 mm) from the front surface of
the Merrimack Large Insert. Be sure that family members
are aware of this requirement as well, so they too will keep
objects a safe distance from the stove.
A,I
BC
D,J
E
D,J
H
CE
FP1084
winterwarm
fireplace minimum dimensions
3/01
A. Width at Face 29C\v” (756 mm)
B. Width at Dimension ‘C’ 25” (635 mm)
C. Depth1 18¹\₂” (470 mm)
D. Height at Face 23C\v” (603 mm)
E. Height at Dimension ‘C’ 23C\v” (603 mm)
H. Lintel depth 9” (229 mm)
I. Width2 45” (1143 mm)
J. Height2 32” (813 mm)
FP1084
1. The minimum depth must be maintained from the oor of the replace
to a height of 21¹\₂” (540 mm)
2. Though the Merrimack Large Insert will t into larger replaces, the
decorative optional MHSC Surround Panels will not completely cover the
replace opening if these dimensions are exceeded. Custom made trim
pieces may be used.
Use these measurements to conrm that the Merrimack
Large Insert will t into your masonry replace.
6
Merrimack Large Insert
30004671
All oor protection must be noncombustible (i.e. met-
als, brick, stone, mineral ber boards, etc.). Any organic
materials (i.e. plastics, wood paper products, etc.) are
combustible and must not be used. The oor protection
specied includes some form of thermal designation
such as R-value (thermal resistance) or k-factor (thermal
conductivity).
1. Convert specications to R-value:
i. R-value given - no conversion needed.
ii. k-factor is given with a required thickness (T) in
inches:
iii. K-factor is given with a required thickness (T) in
inches:
iv. r-factor is given with a required thickness (T) in
inches: R = r x T
After conrming that your replace is the right size, check
the clearance to combustibles. First mark with tape the exact
center of your replace opening on the hearth. Measure
the side clearance from this point. Measure the top trim
and/or mantel clearances from the nished hearth surface.
Measure the front clearance (to furnishings, etc.) from the
replace face. (Fig. 4)
X
FP1085
WinterWarm
clearances
3/01
C
A
B
Measure
side trim
clearance
from here
FP1085
A. Mantel* 43” (1092 mm)
B. Top Trim (1¹\₂”) 41” (1041 mm)
C. Side Trim** 22C\v” (578 mm)
* Clearance shown is for 12” (305 mm) deep mantel. Dimension may be
reduced to 41” (1041 mm) if the mantel is 8” (203 mm) deep or less.
** Where side trim extends more than 1
¹\₂
” (38 mm) from the replace
facing, the side clearance must be no less than 31¹\v” (794 mm); this
is also the required side wall clearance.
Measure the side clearance (C) from the exact center of your replace
opening on the hearth (X). Measure the top trim (B) and/or mantel
clearances (A) from the nished hearth surface. Measure the front
clearance (to furnishings, etc.) from the replace face.
Observe these clearances to combustible trim.
In some replaces, the hearth in front of the replace open-
ing is brick, stone, slate, or some other non-combustible
material that is in direct contact with concrete poured over
earth. These are the only hearths that are considered
noncombustible. In other replaces, the brick or concrete
hearth in front of the replace opening is supported by
heavy wooden framing. Because neither brick nor concrete
has good insulating properties, heat radiated by the re will
pass downward through the hearth to the wooden framing.
Such hearths are considered combustible.
The hearth for the Merrimack insert must be constructed
over a completely non-combustible surface (such as un-
painted concrete over earth). This non-combustible hearth
must extend at least 16” (406 mm) in front of the doors as
protection from heat radiated from the insert. This means
the non-combustible hearth must extend 23” in front of the
replace face opening in a typical installation.
In addition, spark and ember protection is needed 8” (203
mm) to each side of the insert and in Canada, 18” in front of
the insert. The approved construction of this protection is a
minimum or 24 gauge galvanized sheet metal or equivalent.
Figure 5 shows the details of hearth requirements.
FP2492
hearth protection
7/09 djt
A
C
BB
7”
(178 mm)
A. 18”* (460 mm) 18” (460 mm)
B. 8” (203 mm) 8” (203 mm)
C. 46¹\₂” (1181 mm) 46¹\₂” (1181 mm)
FP1095
Unless your replace and hearth are constructed over a
dirt oor (or unpainted concrete over dirt), you must use a oor
protector that satises the above requirements.
In all cases, the hearth must be completely noncombustible in front
of the insert to the dimensions shown and the hearth must also be
1¹\₂” thick with k-factor of 0.61 (R = 1.63 or equivalent).
*In the US, if the insert is elevated 2¹\₂” (64 mm) or more, no thermal
or ember protection is necessary beyond 16” (406 mm).
R = x T
1
K x 12
R = x T
1
k
7
Merrimack Large Insert
30004671
r = =
(ft2)(hr)(°F)
(Btu)(in)
1
k
(Btu)(ft)
(ft2)(hr)(°F)
K =
k = = K x 12
(Btu)(in)
(ft2)(hr)(°F)
R = (ft2)(hr)(°F)
Btu
Custom-made surround panels may be made from any
noncombustible material.
MHSC offers a steel or cast iron surround panel kit.
2. Determine the R-value of the proposed alternate oor
protector:
i. Use the formula in Step 1 to convert values not
expressed as R.
ii. For multiple layers, add R-values of each layer to
determine overall R-value.
3. If the overall R-value of the system is greater than the
R-value of the specied oor protector, the alternate
is acceptable.
The specied oor protector should be 1¹\₂-
inch thick material with k-factor of 0.84. The proposed al-
ternate is 4” brick with an r-factor of 0.2 over 1/4” mineral
board with a k-factor of 0.29
Step a: Use formula above to convert specication to
R-value:
Step b: Calculate R of proposed system.
4” brick of r = 0.2, therefore:
Rbrick = 0.2 x 4 = 0.8
Step c: 1/8” mineral board of k = 0.29, therefore
Rmineralboard = x 0.25 = 0.86
Step d: Rtotal = Rbrick + Rmineralboard = 0.8 + 0.86 = 1.66
Step e: Compare proposed system Rtotal of 1.66 to
specied R of 1.79. Since proposed system Rtotal is
less than required, the system is not acceptable.
Denitions
R = x T = x 1.5 = 1.79
1
k
1
0.84
1
0.29
If codes al-
low, remove the damper. Many dampers can be removed
simply by removing a cotter pin and/or a set screw.
If it is not permissible or possible to remove the damper,
secure the damper in the fully open position.
if you have modied the
replace in any way to accommodate installation of a
replace insert. This tag is in the hardware bag included
with your Insert.
34
6ENTSYSTEMCOMPONENTS
ST1002
Components of the venting system.
Flexible Flue Liner
Flex Liner Adapter
(if required)
Adjustable (26” or verti-
cal) Flue Collar w/Inte-
grated Draw-Down Bar
Top of the Insert Around
Flue Opening
Washers 1/4 Dia.
1/4-20 Hex Nuts
The ue collar may be oriented
in the vertical position or rotated 180 degrees on the top
of the stove resulting in a 26 degree backward angle. If
possible, determine beforehand which orientation will
work best for your application.
In most applications, cleaning of the chimney system will
be easiest from the top (chimney cap) down. If this is the
planned method for your application, the center iron pull
down handle on the ue collar serves as protection to
prevent a chimney brush from damaging the bafe inside
the stove. If cleaning can only take place from inside the
home, the center bar may be cut out of the ue collar using
a hack saw or reciprocating metal cutting saw.
3. Again, depending on your
application it may be easiest to install the connector or
stainless steel ue liner in the chimney rst. Refer to
Figure 6 for the components of the venting system.
• Carefully remove the ber bafe by rst removing
the front air wash manifold. If necessary, remove the
air tubes to allow easier access.
• Remove the iron ue collar from the stove and fasten
either the adapter pipe or ue liner to it by drilling
three holes using the holes in the iron collar as a
guide.
• Secure the exible pipe to the pipe adaptor using
the same method.
• Install the connector pipe or liner so that the height
measured from the nished hearth surface to the
center bar of the ue collar is 20¹\₂” (521 mm). (Fig.
7) This will allow an easy connection once the stove
is rolled into place.
Run the power cord
out the left or right side of the insert. Remove the two
(2) louvre doors (Fig. 9) or access doors. Remove the
screw and washer from each side holding the ashlip
8
Merrimack Large Insert
30004671
to the front. If you run the power cord out the left side,
remove the two (2) screws holding the rheostat bracket
to the fan housing. Insert grommet nearest fan in the slot
on the fan housing, left or right side. Reattach rheostat
bracket with the two (2) screws removed earlier. Remove
the cover plate and insert the provided grommet into
the slot. Reattach the cover plate.
For enamel units:
Remove the prepackaged mantel and install the two
(2) brackets to the underside of the mantel using four
(4) 1/4-20 x 3/8” Phillips head black screws already
installed in the mantel. (Fig. 8) The brackets can be
found in the stove. Remove the screws and use to
attach the brackets. For classic black units: Remove
the tie strap holding the mantel in place. The brackets
are already attached to the mantel. Unwrap the two
(2) pre-assembled access doors and snap into place.
If the spacing between the doors and upper lattice is
not even, you can pull the doors mantel off and adjust
the upper lattice. Screw the two (2) jacking screws that
contact the front up or down as needed. (Fig. 9)
ST2493
Measured height from the nished hearth surface to the
center bar of the ue collar.
2056O”
(521 mm)
Ref. 26”
ST2493
finished height
7/09
Possible
Handle Bracket
Locations
Mantel
Access
Door
ST1163
merrimack mantel
Bracket and
Screws Bracket and
Screws
ST1163
Secure bracket to mantel with two (2) Philips screws.
Follow the instruc-
tions provided with the kit.
At least two people will
be needed to move the rebox. To ease installation, lift
the front of the stove slightly to put weight on the rear
wheels. Position the rebox so the ue collar aligns
with the connector. Use the leveling screws at the front
of the Insert to adjust the level. Route the power cord
to the side nearest the power supply.
From inside the stove, reach
up and pull the ue collar into place by lining up the two
1/4” studs in the stove top. Care should be taken to
not disturb the gasket which seals the collar to the top.
Tighten the two 1/4” nuts.
• Replace the stainless steel air tubes, if removed, by
sliding them rst to the right and then into the mat-
ing holes on the left. Secure these in place with the
stainless steel cotter pins.
• Before installing the airwash manifold, replace the
ber bafe board and ensure it slides all the way to
the back. There should be a tight t between the
board and the iron sides of the stove.
• Replace the front air tube and secure it in place with
the cotter pin.
10.Install the supplied handle storage bracket by simply
sliding the at end under the right or left side of the
stove. (Fig. 7)
This completes installation of your Merrimack Large In-
sert.
9
Merrimack Large Insert
30004671
All Merrimack Large Insert controls are conveniently lo-
cated on the front. (Fig. 9)
Three controls regulate the performance of your Merrimack
Large Insert:
The supplies oxygen for the re.
The variable-speed , or rheostat, regulates
the warm air ow into the room.
An automatic setback control provides a high air setting
of restarting or reviving a re after reloading and closes
automatically once the stove reaches operating tempera-
tures.
A single air control regulates the amount of heat the re
will produce and how long it will burn.
The is located on the upper left
side on the front of the insert. The lever regulates air for
starting, maintaining, and reviving the re.
Generally, more air entering the stove makes the re burn
hotter and faster, while less air prolongs the burn.
The Merrimack Large Insert’s air supply is increased when
the control lever is moved to the left, and decreased when
moved to the right. It may be set anywhere between the
two extremes, depending on the amount of heat desired.
(Fig. 10)
To complement the manual setting of the air control, the
Merrimack Large Insert has an integral convection air
blower that ensures an even delivery of heat at the manual
setting you select.
ST1157
primary air control
Air Control
Lever
ST1157
The air control lever controls the amount of air enter-
ing the rebox.
FP2493
Merrimack controls
Air Control Lever
Fan Speed Control (Behind louvre) FP2493
Merrimack Large Insert controls.
Space Between
Doors and Upper
Lattice
Jacking
Screws
Jacking
Screws
The convection fan delivers a steady stream of warm air
into the room. Use the fan speed control to regulate the ow
of air into the room. A thermal switch will automatically de-
activate the fan when the stove cools down. When starting
a re in a cold stove, this switch will typically energize the
fan within about 20 minutes, after the stove heats up.
The fan speed should be set at “low” (fully closed) when
operating at low to medium burn rates and may be set
anywhere between “low” and “high” when operating at high
burn rates. (Refer to Figure 11 for fan access)
ST1156
fan speed control
Speed Control
Open Bottom Louvre to
Access Fan controls ST1156
Fan control access.
10
Merrimack Large Insert
30004671
The automatic setback air control is used when starting or
reviving a re and provides an increased ow of combustion
air to the re until the rebox is sufciently heated. This air
supply automatically resets to the desired air setting, taking
the guesswork out of operating the stove.
Figure 9 shows the automatic setback control. Move the
primary air control lever all the way to the left. Push the
primary control about one more inch to the left to open the
air shutter (the lever will spring back automatically when
released). The shutter will remain open only if the stove is
below its proper operating temperature. Once open, the
primary air control lever may be adjusted to any desired
position. Once the stove heats up to its proper operating
temperature, you will here a clicking sound conrming the
shutter has closed. This returns the stove to the output
setting of the primary air control.
This feature is primarily intended for reloading the stove
when lower air settings (low heat output) are desired, but
it is also useful any time the rebox is too cool for proper
combustion or when freshly added wood does not ignite
readily.
For maximum efciency and performance, the Merrimack
insert should always have visible ames in newly added
wood, either within the fuel pile or near the roof of the
rebox. Wood moisture, piece size, draft, weather and
rebox temperature will all have an effect on how quickly
aming occurs. The automatic setback air control is a
convenient feature allowing more user exibility and ease
of operation.
The Merrimack Large Insert is designed to burn natural
wood only; do not burn fuels other than that for which it
was designed.
You’ll enjoy the best results when burning wood that has
been adequately air-dried. Avoid burning “green” wood
that has not been properly seasoned or cordwood that is
more than two years old.
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 to two years.
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 should be properly dried.
Your Merrimack Large Insert will accept wood up to 22” (559
mm). Longer wood pieces work better than short ones.
Wood should be stored under cover to maintain dryness.
Even for short-term storage, however, keep wood a safe
distance from the heater and keep it out of the areas around
the heater used for re-fueling and ash removal.
No single air control setting will t every situation. Settings
for each installation will differ depending on the quality of
the fuel, the amount of heat desired, and how long you
wish the re to burn.
The control setting also depends on your particular “draft,”
or the force that moves air from the stove up through the
chimney. Draft is affected by such things as the length,
type, and location of the chimney, weather, local geography,
nearby obstructions, and other factors.
Too much draft may cause excessive temperatures in the
Merrimack Large Insert, and could even damage internal
components. On the other hand, too little draft can cause
backpufng into the room or a very sluggish re.
How do you know if your draft is excessively high or low?
Symptoms of too much draft include an uncontrollable
burn or glowing-red cast iron. A sign of inadequate draft is
smoke leaking into the room through the stove or chimney
connector joints, low heat, and dirty glass.
In some newer homes that are well-insulated and weather-
tight, poor draft may result from insufcient air in the
house. In such instances, an open window near the stove
on the windward side of the house will provide the fresh
air needed.
When rst using the stove, keep track of the settings of
the air controls. You will quickly nd that a specic setting
will give you a xed amount of heat. It may take a week
or two to determine the amount of heat and the length of
burn you should expect from various settings.
Most installations do not require a large amount of combus-
tion air, especially if adequate draft is available.
Use the following primary air control lever and fan speed
control lever settings as a starting point to help determine
the best settings for your installation.
High Fully left High Horizontal
Medium 1” from Low Turn clockwise
full right
Low Fully right Off Turn counterclockwise
11
Merrimack Large Insert
30004671
Cast iron is a superior material for solid fuel stoves but it
must be treated with respect. It is extremely strong, but can
be broken with a sharp blow from a hammer or from the
thermal shock of rapid and extreme temperature changes.
It is important to temper the cast iron plates with an initial
series of 3-4 break-in res. The plates expand and contract
with changes in temperature. Minimize thermal stress by
allowing the plates to adjust gradually during the break-in
res by following Steps 1-3 on the following page.
Follow these guidelines as you start and maintain the re,
and remove the ashes. Prior to starting a re with a cold
stove, it is recommended to clear the lower primary air hole
located at the nose of the front brick. To do this, remove
the andiron and lift out the front refractory brick. Sweep
any ash accumulation out of the air slot. Keeping this slot
clear of ash will ensure better performance.
1. Open the primary air control fully.
2. Lay several sheets of crumpled newspaper in the bottom.
Place on the paper six or eight pieces of dry, nely-split
kindling. On the kindling lay two or three larger sticks of
split dry wood approximately 1-2” (25-50 mm).
3. Light the newspaper and close the door. Gradually build
up the re by adding a few 3-5” (76 -127 mm) diameter
splits.
If this is your initial break-in re, let the re burn brightly,
but not to excess. Control the re’s intensity by adjusting
the air control lever. After an hour or so stop adding wood
so that the re dies out gradually.
For ongoing operation after the initial break-in, continue
to add a few sticks at a time of a progressively larger size.
Be sure to keep the fuel load behind the front grate bar
at all times. Continue until you have a live ember bed at
least 3-4” (76 - 102 mm) deep. This may take an hour or
longer, particularly when the Merrimack Large Insert is
vented to an exterior masonry chimney or when you are
just starting a re.
You’ll soon nd that the insert is
Some chimneys need to be “primed,” or warmed
up, before they will draw sufciently to start a re. To cor-
rect this situation, roll up a couple pieces of newspaper,
place them on top of the kindling and toward the back of
the stove, light them, and close the doors. This should heat
the chimney enough to initiate a draft.
Once the draft is established, open the front door and light
the rest of the fuel from the bottom. Do not light the main
bed of fuel until the chimney begins drawing, and repeat
the procedure as often as necessary if the initial attempt
is unsuccessful.
4. Once a good ember bed of at least 3-4” (76 - 102 mm)
has formed, add the desired amount of wood and close
the primary air control to a medium-low setting. The re
volume will diminish immediately, but the Merrimack
Large Insert will continue to heat up. Maintain control
of the re using the primary air control, and remember:
reduce the setting for less heat, increase the setting
for more heat. Refer to the air control settings chart on
Page 10 for recommended settings at different burn
rates.
Set the air control on “High,” and wait at least fteen sec-
onds for the draft to increase. Turn the convection blower
off. Open the doors slowly.
Check the ash level, and remove excess ash. A primary
air hole located under the front brick provides air to the
coal bed. (Fig. 12) This hole should be cleared of ash for
proper performance.
Add the fuel, smaller pieces rst. If it is necessary to use
wood smaller than the 18” (460 mm) optimum size, be sure
to ll the rebox as completely as possible by loading the
wood pieces alternately on the left and right. Split wood will
ll the rebox more completely and reduce the frequency of
reloading. If possible, stack wood diagonally to maximize
air spaces between red pieces.
I
f you have an ember bed of at least 2-3” (51 - 76 mm),
the air setting may not need to be adjusted. If the ember
bed is less than 2-3” (51 - 76 mm), activate the automatic
setback feature. This will provide extra air to start the re
aming and ‘setback’ to the desired air setting once the
stove is heated.
12
Merrimack Large Insert
30004671
ST1158
front bricks
Primary Air
Hole
Andiron
ST1158
Keep primary air holes free of ash for proper perfor-
mance.
Finally, adjust the air control and fan speed for your desired
heat level.
If the charcoal bed is relatively thick and your fuel
is well-seasoned, it is possible to add fresh fuel (smaller
pieces rst), close the door, and reset the air control im-
mediately.
The Merrimack Large Insert is capable of producing up to
55,000 Btu/hour and heating an area of up to 2,000 sq. ft.
However, many factors affect heating performance and can
inuence the extent to which the Merrimack Large Insert
can heat a given area.
A well-insulated home, located in a moderate climate and
with the Merrimack Large Insert located centrally in an open
oor plan, will be easier to heat than a drafty home in the
far north in which a Merrimack Large Insert is installed on
an exterior wall at the end of a long house.
In Fireplace Insert installations, over-sized chimneys can
produce less effective results than those that are properly
sized, and interior chimneys usually perform better than
those located outside the house.
Different results may be experienced even in the same
installation if you switch from burning good, dry wood to
wood that is partially rotted or inadequately seasoned.
To compensate for these factors in cold climates, it may
be necessary to operate the Merrimack Large Insert for
longer periods of time with the air control set to a higher
level more of the time.
Check the ash level before reloading the stove, remove
ashes if necessary. Turn off the fan before shoveling the
ash into your ash container.
Remove ash regularly, typically every one to three days.
The frequency will vary depending on how you operate your
Merrimack Large Insert; more wood is consumed at higher
heat output settings, and ash will accumulate faster.
Disposal of Ashes - Ash should be removed frequently
and placed outdoors in a metal container with a tight-t-
ting lid. The closed container of ash should be placed on a
non-combustible oor or on the ground, well away from all
combustible materials, pending nal disposal. If the ash is
disposed of by burial in soil or otherwise locally dispersed,
it should be retained in the closed container until all cinders
have thoroughly cooled. Wood ash may be used as a gar-
den fertilizer.
Never use your household or shop vacuum
cleaner to remove ash from the replace; always remove
and dispose of the ash properly.
13
Merrimack Large Insert
30004671
An occasional dusting with a dry rag will keep the painted
cast iron of your Merrimack Large Insert looking new.
If the paint needs retouching, rst allow the surface to cool
completely. Mask glass, trim parts and enamelled areas.
Wire-brush those areas to be painted. Touch-up with high
temperature stove paint available from your local dealer.
Apply the paint sparingly. Two light coats are better than
one heavy one.
Use a soft brush as necessary. Do not use water or other
liquids on your Merrimack Large Insert. Fingerprints usually
can be buffed off porcelain enamel with a dry, soft cloth.
If marks remain, allow the Merrimack Large Insert to cool
completely, then buff with a slightly damp, soft cloth. Dry
completely before starting a re to avoid streaking.
Never use abrasives or harsh chemical cleaners on the
porcelain enamel nish; the enamel may scratch and
expose the cast iron, which can then stain or rust. If you
must remove spills or stains from porcelain surfaces,
make sure the re is out and the Merrimack Large Insert
has cooled completely before cleaning. Use a kitchen
appliance cleaner and/or polish specically formulated for
enamel surfaces. Apply the cleaner sparingly with a soft
cloth, and buff away all traces.
The Merrimack Large Insert glass system requires a
minimum amount of cleaning. Most carbon deposits that
accumulate will burn off during hot res.
Ash residue that accumulates on the glass should be re-
moved periodically to prevent etching. To clean the glass,
use the following procedure.
• Be sure the glass is completely cool.
• Cleaning with water will work in most cases. Use a
glass cleaner especially made for this purpose only
if deposits are specially heavy. (If heavy deposits
are a frequent occurrence, however, evaluate your
operating techniques.) Do not use abrasive clean-
ers.
• Rinse the glass thoroughly.
• Dry the glass completely.
The front door of the Merrimack Large Insert should close
securely to prevent accidental opening and should close
tightly to prevent air from leaking into the re chamber.
The door handle will be positioned vertically when the
door is closed.
Over a period of time, the gasket around the door will
compress and the latch may need adjustment. To adjust
the handle, follow this procedure:
1. Remove and retain the lock nut with a 9/16” wrench.
(Fig. 13)
2. Loosen the set screw with a 1/8” Allen wrench.
3. Rotate the pawl 180°. Replace the lock nut. Tighten the
set screw.
4. Additional adjustment can be made by removing the at
washer. Or any combination of washer removal and/or
pawl rotation.
Test the door seal. Close the door on a dollar bill and at-
tempt to pull it free. If the bill is freed with little resistance,
the gasket isn’t snug enough at that spot. Continue to make
small adjustments until the setting is right.
If additional adjusting of the latch does not enable the door
to seal sufciently in one area, try “adjusting” the gasket in
that area. Pack more cement or a smaller diameter gasket
into the channel beneath the gasket so the main gasket
is raised and makes contact with the door frame. If this
procedure doesn’t solve the problem, replace the gasket.
Instructions for gasket replacement are given later in this
section.
ST1154
door pawl
Roller
Lock Nut
Set Screw
Shoulder Screw
Handle Stub ST1154
Rotate pawl and/or remove at washer to adjust latch.
Flat Washer
14
Merrimack Large Insert
30004671
• Do not operate the Merrimack Large Insert if the
glass is damaged or broken.
• Do not abuse glass by striking with any object or
by slamming the door.
• Replace glass only with MHSC high tempera-
ture ceramic glass, available from your Vermont
Castings’ authorized dealer.
Follow this procedure to replace glass.
• Open the door and loosen the four retaining clip screws
that hold the glass to the door. Swing the clips out of the
way. Tilt the glass away from the door frame and lift up.
(Fig. 14) Wear gloves and use caution when handling
broken glass.
WARNING
!
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
AVERTISSEMENT
!
Un panneau vitré chaud peut
causer des brûlures.
Laissez refroidir le panneau
vitréavant d’y toucher.
Ne laisser jamais les enfants
toucher le panneau vitré.
Your Merrimack Large Insert uses rope-type berglass
gaskets to make a tight seal between some parts. With
use, particularly on those parts that move, gaskets can
become brittle and compressed and can begin to lose their
effectiveness. These will need periodic replacement.
All of the gaskets used are made of berglass. The three
sizes of replaceable gasket are listed below, along with
their application.
Gasket Size ...................And The Parts It Seals
3/8” (1203589) ...............Door to the front - 4.5’
3/8” (30002422) .............Firebox parts
3/16” (1203556) .............Glass to the door - 4.6’
To change a gasket, wait until the re is out and the stove
has cooled. Wear protective eyewear and a dust mask.
The procedure is the same for all gaskets.
1. Remove the existing berglass gasket by grasping an
end and pulling rmly.
2. Use a wire brush or the tip of a screwdriver to clean
the channel of any remaining wood glue, silicone or
bits of gasket.
3. Apply a thin bead of high temperature silicone to the
newly-cleaned door gasket groove. A 1/8” - 3/16” bead
is sufcient.
4. Apply a thin bead of wood glue to the newly cleaned
glass gasket area. A 1/8” - 3/16” bead is sufcient.
5. Place a new gasket into the groove. Wait until you have
placed all but a couple inches from the end before you
trim the end to an exact t.
• Examine the gasket that seals the glass to the door
frame. If necessary, replace this with gasket obtained
from your local Vermont Castings’ authorized dealer.
Directions for replacing gaskets are given below.
• Check the channel at the bottom of the door frame,
and clear away debris if necessary.
• Carefully place the new glass in the door frame.
• Secure the clips, being careful not to over-tighten.
Be sure the glass is rmly seated against the gasket.
Close the door gently to conrm the clips have been
properly positioned. It is possible for the glass to be
damaged if the clips have been installed incorrectly
and the door is closed with force.
ST1155
replace glass
Replace glass.
Door
Gasket
Glass
Gasket
Glass Panel
Retainer
Clips
ST1155
15
Merrimack Large Insert
30004671
• Remove the door by lifting it straight up from its hinge
pins.
• Lay it face down on a padded surface.
• Remove the glass. Follow the instructions for remov-
ing and replacing glass which start on Page 14.
• Replace gaskets. Follow steps 1-4, above.
• Replace the glass.
• Replace the door.
Although the non-catalytic combustion system in your
Merrimack Large Insert can reduce creosote formation
dramatically, it is not a substitute for regular inspection and
cleaning of the chimney and chimney connector.
Your Merrimack Large Insert has been designed to mini-
mize creosote build-up. Regular chimney inspection and
maintenance, however, must still be performed. For safety,
good stove performance, and to protect your chimney and
chimney connector, inspect your chimney and chimney
connector on a regular schedule. Clean the system if
necessary. Failure to keep the chimney and connector
system clean can result in a serious chimney re.
Creosote - Formation and Need for Removal - When wood
is burned slowly, it produces tar and other organic vapors,
which combine with expelled moistue to form creosote. The
creosote vapors condense in the relatively cool chimey ue
of a slow-burning re. As a result, creosote residue accumu-
lates on the ue lining. When ignited, this creosote makes
an extremely hot re. The chimney and chimney connector
should be inspected at least once every two months dur-
ing the heating season to determine if a creosote buildup
has occurred. If creosote has accumulated, it should be
removed to reduce the risk of a chimney re.
If you do experience a chimney re, act promptly to:
• Close the primary air control lever (fully to the
right).
• Get everyone out of the house.
• Call the Fire Department from a nearby house.
You should inspect the system every two months during the
heating season as part of a regular maintenance schedule.
To inspect the chimney, let the Merrimack Large Insert cool
completely. Then, using a strong light, sight up through the
ue collar into the chimney ue. The ber bafe will need to
be removed gently to view inside the connector pipe.
If it is necessary to remove the rechamber to inspect or
clean the chimney, this is how to do it:
• Let the Merrimack Large Insert cool.
• Disconnect the fan power cord.
• You may wish to lighten the rebox by removing the
load door and andiron.
• Retract the two levelling screws until they bear no
weight.
• Remove the front air tube and ber bafe.
• Disconnect the ue collar or vent connector from the
top of the stove.
• Slide the rechamber forward until you have access
to the replace opening.
• Inspect the ue.
You can now inspect the smoke shelf area of the replace
and the chimney. Before replacing the Merrimack Large
Insert, this area should be inspected for signs of deteriora-
tion and cleaned thoroughly with a chimney brush.
Clean the chimney using a specially designed brush the
same size and shape as the ue liner. Flexible berglass
rods are used to run the brush up and down the liner, caus-
ing any deposits to fall to the bottom of the chimney where
they can be removed through the clean-out door.
The chimney connector should be cleaned by disconnect-
ing the sections, taking them outside, and removing any
deposits with a stiff wire brush.
Reinstall the connector sections after cleaning, being
sure to secure the individual sections with sheet metal
screws.
If you can’t do the chimney inspection yourself, contact
your local Vermont Castings’ Authorized Dealer, or engage
a professional chimney sweep to perform the inspection
and cleaning of the chimney.
Reverse the procedure to re-install the rechamber.
Daily:
• Ash should be removed before the level reaches
the top edge of the front brick. Check each time you
re-load, or at least once a day.
• Keep the area around the replace clear of any
combustible material.
Yearly Spring Cleaning:
• Remove ash from the rebox and replace with a
moisture-absorbing material (such as kitty litter) to
keep the interior of the stove dry.
• Touch up painted surfaces with black paint.
16
Merrimack Large Insert
30004671
Two Months:
• Inspect the chimney and ue connection. Clean the
system if necessary.
Yearly Spring Cleaning:
• Disassemble the ue connection and take it outdoors
for inspection and cleaning. Replace weak sections
of connector.
• Inspect the chimney for signs of deterioration.
Repairs to a masonry chimney should be made by
a professional mason. Replace damaged sections of
prefabricated chimney. Your local Vermont Castings’
dealer or a chimney sweep can help determine when
replacement is necessary.
• Thoroughly clean the chimney.
For parts and information about your insert, contact your
Vermont Castings authorized dealer. For the name of the
dealer nearest you, contact:
MHSC
149 Cleveland Drive
Paris, KY 40361
800-668-5323
In the event of component failure, it is very important to
replace with equipment equivalent to the Vermont Cast-
ings original parts.
Northeld Cast Iron Surround
NORCSCB Classic Black
NORCSEB Ebony
Exeter Steel Surround,
EXSSCB Classic black
45(6” (1165 mm)
326:O”
(817 mm)
ST1161
Exeter surround
326QE”
(818 mm)
4656QE" (1170 mm)
ST1160
Northfield surround
17
Merrimack Large Insert
30004671
MHSC reserves the right to make changes in design, materials, specications, prices and discontinue colors and products at any time, without
notice.
1. Bottom 30004620
2. Back 30004621
3. End, Right 30004622
4. End, Left 30004623
5. Top 30004624
6. Front 30004625
7. Door, Left Refer to Enamel Chart
8. Door, Right Refer to Enamel Chart
9. Base Plate 30004628
10. Air Manifold 30004629
11. Door, Access Refer to Enamel Chart
12. Cover Plate, Top 30004631
13. Andiron 30004635
14. Ashlip Refer to Enamel Chart
15. Lattice Front, Top Refer to Enamel Chart
16. Lattice Front, Bottom Refer to Enamel Chart
17. Mantel Refer to Enamel Chart
18. Air Cover Plate 30004640
19. Collar, Flue 30004317
20. Fan Kit Assy 30004669
20a. Replacement Blower Only 30004412
20b. Snapstat Wire Assy. 30004406
20c. Rheostat and Wire Assy. 30004407
20d. Power Cord 1601482
20e. Snapstat 30005236
20f. D Knob 1604419
21. Side Panel, Left Refer to Enamel Chart
22. Side Panel, Right Refer to Enamel Chart
23. Airplate 30004315
24. Pinion 30004320
25. Wheel 30004319
26. Shaft,Wheel 30004318
4671
Merrimack parts
44 43
50
52
66
65
64 12
42
19
24
23
538 37
29
10
2
25
32
26
4
21
67
41
27
68
69 31
33
1
18
20 35
39
30 27
6
13
36
34 911
16 60 57
56
59
58 7
61
63
62
8
58
59
55
57
60
49
3
28
40
47
46
17
53
14
22
53
48
15
70
71
28
73
54
54
74
74
54
72
18
Merrimack Large Insert
30004671
Door Left 30004626 30005193
Door Right 30004627 30005194
Door, Access 30004630 30005195
Ashlip 30004636 30005196
Lattice, Front, Top 30004637 30005197
Lattice, Front, Bottom 30004638 30005198
Mantel 30004639 30005199
Side Panel, Left 30004634 30005200
Side Panel, Right 30004673 30005201
27. Insulation, Int. End 30004649
28. Insulation, Ext. End 30004648
29. Brick, Back 30004641
30. Brick, Right End 30004645
31. Brick, Left End 30004646
32. Brick, Bottom Low 30004642
33. Brick, Bottom Slnt 30004643
34. Brick, Bottom Upper Right 30004644
35. Brick, Bottom Upper Left 30004955
36. Brick, Bottom Center 30004956
37. Tube A, Secondairy Air 30004377
38. Bafe 30004647
39. Bottom Assy 30004662
40. Right Side Shld, 2nd Air 30004396
41. Left Side Shld, 2nd Air 30004404
42. Shroud, Outer 30004665
43. Top Shroud 30004660
44. Flange, Flue Collar Surround 30004675
45. Cover, Power Cord 30004379
46. Automatic Air Setback Assy 30004999
47. Bracket, Mantel 30004679
48. Front Hinge, TR/BL 30004945
49. Front Hinge, TL/BR 30004950
50. Disk 30005050
51. Throttle Lever 30005051
52. Spring 30005052
53. Bracket, Upper Lattice 30004676
54. Bracket, Door Hinge 30004947
55. Glass, Right (IR coated) 30004654
56. Glass, Left (IR coated) 30004655
57. Glass Clip 30004957
58. Gasket Fiberglass 3/8 low D 6nd 1203589
59. Gasket Fiberglass 3/16 4nd Blk 1203556
60. Trs Hd PH 10-24 x 1/2-Z 1200998
61. Front Steel Hdl/Shaft-BNI-VER 30002717
62. Nut Hex Jam 3/8-16 TOPLK-Z 1203290
63. Pawl Assy Roller 30005157
64. Handle Damper, Maple wood blk 1600664
65. Pan Hd SL 1/4-20x3-Z 1201310
66. Insert Lifter Handle -NI 1600650
67. Fallaway Handle Bracket 30005048
68. Nut Acorn 1/4-20-Z 1203118
69. Ss soc 1/4-20x1 1/4 Cup Pt-SS 1200414
70. Cotter Pin, 1/8”x1¹\v” L-SS 30004405
71. Insulation, Bottom 30004650
72. Insulation, BHS 30004402
73. Friction Spring 1201846
74. Bracket, Access Door 30004949
75. Bushing (bottom door hinge brckt) 30005225
19
Merrimack Large Insert
30004671
All cast iron parts are warranted for a period of three years
against breakage, cracking or burn-through.
The following part of the woodburning stove are warranted
to be free of defects in material and workmanship for a pe-
riod of one year from the date you receive it: The handles,
glass door panels, door gasketing and porcelain nish. Any
of these items found to be defective will be repaired or re-
placed at no charge, upon the return of the part with postage
prepaid to a Vermont Castings Authorized Dealer.
Any parts repaired or replaced during the limited warranty
period will be warranted under the terms of the limited
warranty for a period not to exceed the remaining term of
the original limited warranty or six (6) months, whichever
is longer.
1. This warranty is non-transferable.
2. This warranty does not cover misuse of the stove. Misuse
includes overring, which will result if the stove is used
in such a manner as to cause one or more of the plates
to glow red. Overring can be identied later by warped
plates and areas where the paint pigments has burned
off. Overring in enamel stoves is identied by bubbling,
cracking, chipping and discoloration of the porcelain
enamel nish. MHSC offers no warranty on chipping of
enamel surfaces. Inspect your woodburning stove prior
to accepting it for any damage to the enamel.
3. This warranty does not cover misuse of the stove as
described in the Owners Guide, nor does it cover a
stove which has been modied unless authorized by
a MHSC representative in writing. This warranty does
not cover damage to the stove caused by burning salt
saturated wood, chemically treated wood, or any fuel
not recommended in the Owners Guide.
4. This warranty does not cover a stove repaired by
someone other than a Vermont Castings Authorized
Dealer.
5. Damage to the unit while in transit is not covered by this
warranty but is subject to a claim against the common
carrier. Contact Vermont Castings Authorized Dealer
from whom you purchased your stove or MHSC if the
purchase was direct. (Do not operate the stove as this
may negate the ability to process the claim with the
carrier).
6. Claims are not valid where the installation does not con-
form to local building and re codes or, in their absence,
to the recommendations in our Owners Guide.
7. The salt air environment of coastal areas, or a high-
humidity environment, can be corrosive to the porcelain
enamel nish. These conditions can cause rusting of
the cast iron beneath the porcelain enamel nish, which
will cause the porcelain enamel nish to ake off. This
warranty does not cover damage caused by a salt air
or high-humidity environment.
8. MHSC shall have no obligation to enhance or update
any unit once manufactured.
IN NO EVENT SHALL MHSC BE LIABLE FOR INCIDENTAL AND
CONSEQUENTIAL DAMAGES. ALL IMPLIED WARRANTIES,
INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABIL-
ITY AND FITNESS, ARE LIMITED TO THE DURATION OF THIS
WRITTEN WARRANTY. THIS WARRANTY SUPERCEDES ALL
OTHER ORAL OR WRITTEN WARRANTIES.
Some states do not allow the exclusion or limitations of
incidental and consequential damages or limitations on
how long an implied warranty lasts, so the above limita-
tions may not apply to you. This warranty gives you specic
rights and you may have other rights, which vary from
state to state.
If a defect is noted within the warranty period, the customer
should contact a Vermont Castings Authorized Dealer or
MHSC if the purchase was direct with the following infor-
mation:
1. Name, address, and telephone number of the pur-
chaser
2. Date of Purchase.
3. Serial number from the label on the back
4. Nature of the defect or damage.
5. Any relevant information or circumstances, e.g., instal-
lation, mode of operation when defect was noted.
A warranty claim will then start in process. MHSC reserves
the right to withhold nal approval of a warranty claim
pending a visual inspection of the defect by authorized
representatives.
149 Cleveland Drive • Paris, Kentucky 40361
www.mhsc.com
Other manuals for Merrimack
1
This manual suits for next models
1
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