Majestic WMII
 for the MAJESTIC,
WMIl-42AS, WMII-42AD Heat Circulating Fireplace
TE
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ade x
IMPORTANT: Read all instructions carefully before starting installation. Failure to follow these
installation instructions may result in a possible fire hazard and will void the MAJESTIC warranty.
Save this manual for future reference.
Copyright EQUUS BUILDING PRODUCTS 1988
INNER COLLAR
FLUE DAMPER
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“HEARTH ~~
FIREBOX 720)
Identification of Parts °
Installation Precautions
Installation instructions -
Reference Data
Accessory Parts
Fig. 1. Parts of the MAJESTIC WMII-42AS/D Fireplace.
2
3
3
17
18
INSTALLATION PRECAUTIONS
This MAJESTIC Fireplace and its components are tested
and safe when installed in accordance with this
Installation Manual. Read all instructions before starting
installation, then follow these instructions carefully
during installation to insure maximum fireplace benefit
and safely,
Report to your dealer any parts damaged in shipment,
specifically, check for loose insulation in the fireplace and
damper operation,
Since this fireplace and chimney assembly is a highly
engineered system, unless you use Majestic or Equus
Building Products components which have been
designed for the system, you may possibly cause a fire
hazard.
The MAJESTIC warranty will be voided by, and
MAJESTIC disclaims any responsibility for, the
following actions:
+ Installation of any damaged fireplace or chimney
component;
* modification of the fireplace, chimney assembly or
any of the component parts thereof; (except for
chase flashings as detailed in EQUUS Chimney Top
installation instructions.)
* Installation other than as instructed by MAJESTIC;
or
* Installation and/or use of any component part not
manufactured or approved by MAJESTIC or
EQUUS in combination or assembly with a
MAJESTIC fireplace system, notwithstanding any
independent testing laboratory or other third party
approval of such component part or accessory.
Any such action may possibly cause a fire hazard.
Consult your local building codes.
This fireplace and chimney system must be vented
out-of-doors.
Do not obstruct or modify air inlet/outlet grilles in any
manner.
THE WMIL42A SERIES FIREPLACES ARE NOT
APPROVED FOR INSTALLATION IN MOBILE HOMES,
Prior to first firing, read Owner's Manual for operating
instructions.
INSTALLATION INSTRUCTIONS
A. Installing the Fireplace
L] A-1. CHECK HOW ACCESSORIES ARE
INSTALLED
Determine where selected accessories fit into this
fireplace installation procedure by checking the
installation instructions provided with each accessory.
See Accessory Parts, page 18.
NOTE: The outside air system and electrical
connection for the fireplace cannot be installed after
the fireplace is completely installed.
[J A-2. DETERMINE FIREPLACE LOCATION
The fireplace can be mounted on any of the following
surfaces:
1) À flat combustible (burnable) surface.
2) A raised wooden platform,
3) On four (4) corners of the fireplace.
(Example: Four (4) concrete masonry blocks.)
These supports must be positioned so they contact all
four (4) dimples and perimeter edges on the bottom of
the unit,
The fireplace may be placed against a combustible back
wall without providing any clearance between the back
spacer of the fireplace and the combustible material.
Nearby combustible floors and walls must be protected
as detailed in Section H.
Refer to Air Space Data and Dimensions on page 17
to be sure that the location which you have selected
for your fireplace provides for clearance and framing
restrictions.
At this point you should have decided what components
- fo include in your installation, where the fireplace is to be
located, and how the chimney will be routed to the roof
(straight-up, offset, or chase®). If this has not been done,
stop and consult your Majestic Dealer for assistance with
this planning.
"A chase is a vertical box-like structure which encloses
the fireplace and/or its chimney, typically built on the
outside of the house with the fireplace opening cut in the
outer wall of the home.
-
Lr
CHIMNEY DIMENSIONS
MODEL NO, IN INCHES
TRIPLE TOTAL | INSTALLED
WALL {LENGTH (Ly) | LENGTH (Ly
I
B1 11% 10%
818 17% 16%
83 35% 3412
Bd 4 461%
+
Fig. 2. installed lengths of cnimney sections.
Note that the installed length of any chimney section is
less than its total length (except for the last section
installed), because of its overlap at joints. (See Fig. 2.)
CO A-3. INSTALL METAL SAFETY STRIPS UNDER
FIREPLACE
Thoroughly clean intended firepiace location area. Move
fireplace to the location where it is going to be installed.
Lift fireplace front slightly to slide metal safety strip(s)
under front bottom edge about 1% inches, allowing the
remainder to extend out in front of the firepiace. Overlap
the strips at least ¥2 inch to provide a positive joint. (See
Fig. 3.) (Safety strips are packed with fireplace.)
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METAL SAFETY STRIPS
Eo! {1, 20r3 PIECES)
Fig. 3. Install metal strip(s) under front of fireplace,
[J A-4. ANCHOR FIREPLACE IN POSITION
To prevent shifting of the fireplace and to maintain
sealing (described later), anchor the fireplace by using
the nailing tabs provided on the fireplace. (See Fig. 4.)
The fireplace can then be secured to the vertical framing
members. Refer to Framing and Finishing Section H.
“NAILS OR OTHER
SUITABLE
FASTENERS
FASTENING TABS
TURNED DOWN
NAIL SIDE —
NAILING
TABS
A
ee
Fig. 4. Fasten fireplace in position using the fastening
tabs.
B. Installing the Chimney
CAUTION:
REPORT TO YOUR DEALER ANY PARTS DAMAGED
IN SHIPMENT, SPECIFICALLY, CHECK THE END
CONNECTIONS OF CHIMNEY SECTIONS AND
ELBOWS.
NOTE: The WMI-42A Series Fireplace uses EQUUS
Model S, 3 wall chimney system only. See installation
procedure described in Section B (Installing the
Chimney). Refer to the Accessory Section of this manual
beginning on page 18. |
L! B-1. LOCATE CENTERPOINT OF CHIMNEY —
STRAIGHT UP INSTALLATION
If the fireplace is positioned against the wall behind it,
measure out 10% inches from that wall and make a mark
on the ceiling above the fireplace. Draw a line through
this mark parallel to the back wall, defining the centerline
of the chimney. (See Fig. 5.) Then, using a plumb bob
positioned directly over the centerpoint of the fireplace
flue collar, mark the ceiling to establish the chimney
centerpoint. (See Fig. 5.)
[J B-2. LOCATE CENTERPOINT OF CHIMNEY _
OFFSET INSTALLATION
in order to clear an obstruction, it may be necessary to
offset the chimney from the vertical plane. This is done
by using EQUUS CHIMNEY ELBOWS: Model 830A (30°).
Each offset requires a pair of elbows. Use Table 1 and
Fig. 6 to determine the offset that may be obtained using
the various elbows.
Table 1. Offset dimensions
DIMENSIONS
T* ’ . $
830A 830A
No intermediate
Section 3" 011”
One 1 Section 0814" 1/8"
One 11' Section Q 1170” 21"
Two 1' Sections 114” 2514"
One 1 and |
One 11' Section 1439" 210%”
One 7 Section 1814” F434"
Two Y and
One 112’ Sections 1934” 377"
One 4 Section 224" A 344"
One 3 and | | |
One 1%' Section aa" ATV
One 4' and |
One 1’ Section 2712" 5014"
One 1" One 3 and |
One 112’ Section 210174" 5514"
Two 3 Sections 51034"
give”
*NOTE: For offset dimensions “T” that exceed distance shown on
table 1, contact Majestic, Atin.: Director of Customer Service or
Local Majestic Dealer.
CHIMNEY
ACTUAL
CENTERPOINT
CENTERLINE OF
1034”
PLUMB LINE
PLUMB BOB
IMAGINARY
CENTERPOINT
Fig. 5. Locate centerpoint of chimney with plumb line.
STRUCTURE
ELBOW STRAP
(MUST BE TIGHT)
ELBOW
CHIMNEY
FLUE
| -. OUTLET
e OUTLET A CHIMNEY EXIT |
SUPPORT
— В
А (7)
D Es
SECTION
CEILING MOLE —] |
e
ee 7 J
RN и HOLE DM TRADITIONAL CONTEMPORARY
N ue sys so CHIMNEY TOP CHIMNEY TOP
A VE
SP “Ror NOTE: X — 2" MIN. AIR SPACE
TO COMBUSTIBLES
SEE
DETAIL 1
CHIMNEY EXIT
A . SEE SEE
DETAIL 1 DETAIL 2
Aa
“FL CHIMNEY
SECTION
—ELBOW
8 5 Y
E o A
Ep E
HEARTH Y LL |
FLOOR mt
NOTE: G + H CANNOT EXCEED 20”
Fig. 6. Typicai offset installations.
The following safety rules apply to offset installations.
{The letters below match the letters in Fig. 6.)
A. Height of the chimney measured from the hearth to
the chimney exit at top.
Maximum: 90 Feet
Minimum:
Without Elbows 14 Feet 0 inches
With 2 Elbows 15 Feet 6 Inches
With 4 Elbows 21 Feet 0 Inches
B. Do not use more than four elbows per chimney.
Attach the straps of the top elbows to a structural
framing member.
The first elbow of any pair does not have straps.
C. The chimney cannot be more than 30° from the
vertical plane.
D. The maximum length of the angled run of the total |
chimney system is 20 feet. (G pilus H cannot exceed
20 feet.) |
E. À chimney support (Model TCS8A) is required every 6
feet of angled run of chimney. Chimney supports are
required at 30 feet and 60 feet of vertical chimney
height above the hearth also,
Determine the offset distance of your chimney arrange-
ment from the centerline of the fireplace to the centerline
of the chimney where if is to pass through the first
ceiling. NOTE: This offset distance may not be your full
offset distance (T). |
Locate on the ceiling the centerpoint of the chimney, as
though a straight up chimney arrangement is to be used,
by following the procedure outlined in Step B-1. Then
measure your offset dimension from the straight up
chimney centerpoint on the ceiling. (Fig. 7)
OFFSET CENTERPOINT
OFFSET CENTERLINE
STRAIGHT UP
CENTERPOINT
CHIMNEY
CENTERLINE
OFFSET
DIMENSION
NEW FRAMING
MEMBERS
Fig. 7. Measure first ceiling offset distance from
straight up centerpoint.
L] B-3. MARK AREA OF CEILING CHIMNEY HOLE
The size of the ceiling chimney hole will vary with the
angle at which the chimney passes through the ceiling.
Refer to Table 2.
Drive a nail up through the ceiling at the marked chimney |
centerpoint. Go to the floor above and check where the
hole will be cut, relative to the ceiling joists and any
obstructions such as wiring or piumbing runs. |
necessary, re-position the chimney and/or the fireplace 10
better accommodate these joists and/or obstructions.
[J B-4. CUT CEILING CHIMNEY HOLE
After covering the opening of the fireplace collar, cut the
chimney hole through the ceiling. Recheck the hole to be
sure that it measures the hole size selected from Table 2.
1 B56. FRAME CEILING CHIMNEY HOLE
Frame the ceiling chimney hole as shown in Fig. 8. It is
good practice to use framing lumber that is the same size
as the ceiling joists. {This is a requirement at the attic
level.)
The inside dimension of the frame must be the same as
the hole size selected from Table 2 in order to provide the
required 2 inch air space between the outside diameter of
the chimney and the edges of the framed ceiling hole.
Table 2. Sizes of ceiling chimney hole. |
Sire of Angle of chimney at ceiling
Chimney Vertical - 30°
8” Flue 17% x 17 17% x 23%
ig. 8. Typical frame for ceiling chimney hole.
[J B-6. INSTALL FIRESTOP SPACER
Firestop spacers are required for safety. The hole sizes
fisted in Table 2 for angled firestop spacers provide the
minimum required air space to the chimney pipe for
ceiling thicknesses up to 8 inches. When the combined
thickness of the ceiling material, ceiling joists and floor-
ing material exceeds. 8 inches, adjustments must be
made in the framing to assure that the minimum: air
spaces to the chimney are maintained,
if the area above the ceiling is not an attic, position the
firestop spacer with the flange on the ceiling side and the
dished or angled portion extending up into the hole, if the
area above the ceiling is an attic, position the firestop
spacer with the flange on the top of the framed hole and
the dished or angled portion extending down into the
hole. (See Figs. 9 & 10.)
Nail each corner of the firestop spacer to the framing
members of the ceiling hole. NOTE: A firestop spacer is
not required at the roof.
Table 3. Firestop model numbers,
TYPE OF
TYPE FLUE SPACER MODEL NO.
8" straight Dished FS2A
- 8” 30° inclined Angled FSGA
— JOIST
7 |
DISHED FIRESTOP
(FIRESTOP SPACER)
|
NAILS (4 Required) N
Fig. 9. Position of firestop when area above ceiling
is not an attic. | |
| NAILS (4 Reguired)
i
|
¢
FIRESTOP SPACER
CEILING _A
Fig. 10. Position of firestop when area above ceiling
is an attic,
(1 В-7. АГТАСН CHIMNEY SECTIONS
Attach the first straight chimney section to the fireplace
collar, or elbow if offset installation. (Refer to Step B-8.)
Mount the flue pipe first, using the built-in snap-lock
fasteners. (See Fig. 11.) Then mount the additional
pipe(s). Position each pipe section so the direction arrow
is pointing UP.
Make sure each pipe is firmly snapped and locked
together as it is mounted.
Continue installing chimney sections until ONE SECTION
(all pipes) extends up through the ceiling hole, lo extend
through the ceiling, it may be necessary to assemble all
pipes, push them up through the ceiling hole and then
slide them down one at a time to connect them.
[J] B-8. ATTACH FIRST ELBOW — OFFSEY
INSTALLATION
if the first elbow is not to be attached to the fireplace,
install chimney sections as required.
Attach first elbow where required. Note that only the outer
pipe snap-locks.
Attach the straps of all upper elbows to a structural
framing member. (See Fig. 6.)
CHIMNEY SECTION
BEAD MUST MAKE
CONTACT WITH
FRAMING MEMBER
ÂT ALL POINTS —
HAMMER ALL THREE
STRAPS INTO WOOD
BEFORE INSTALLING
FIRESTOP
CEILING HOLE
FRAMING
FLUE SUPPORT
STRAP (ALL
MUST BE TIGHT)
FLUE SUPPORT
ATTIC ABOVE
En
%
CHIMNEY SECTION
PROVIDE SLOTTED: 7
HOLE FOR STRAP = CEILING
ENTRY — DO NOY HOLE
CUT HOLE IN
FIRESTOP MEMBER
| |
Mm TAN
TA A rare Es Л Te
BEAD — MUST MAKE
CONTACT WITH
CEILING AT ALL
POINTS
ANGLE FIRESTOP
> FLUE SUPPORT
STRAP (ALL
MUST BE TIGHT)
NOTE: X = 2° MIN. Alf Space TEUE SUPPORT
TO COMBUSTIBLES
NO ATTIC ABOVE
HEM
BUIET-IN
SNAP-LOCK
FASTENER
LANCE
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Fig. 11. Use built-in snap-lock fasteners to attach
chimney pipe sections.
Fig. 12. Mount flue supports at ceiling hole frames or
other structural framing.
[1 B-9. DETERMINE HOW MANY CHIMNEY
SUPPORTS ARE NEEDED
The chimney system is supported by the fireplace for
chimney heights less than 30 feet of vertical height above
the hearth. Chimney supports are required if the chimney
height exceeds 30 feet. Locate chimney supports at
ceiling holes or other structural framing at 30 foot
heights. Spacing between chimney supports must not
exceed 30 feet. Use EQUUS Chimney Support Model
TCSBA, (NOTE: The TCS8A can not be mounted
directly to the fireplace.) Support provided by elbow
straps fulfills the support requirement only if they are
spaced as required above,
Angled chimney runs require support every 6 feet in
addition io the elbow straps. EQUUS Chimney Supports
are used for this function,
Refer to Step B-2 to determine how many chimney
supports are needed and where they will be placed in the
chimney run.
NOTE: À chimney support is 212 inches long when —
instalied. This dimension must be considered when
determining how many straight chimney sections are
needed to provide the desired offset,
[1 B-10. INSTALL CHIMNEY SUPPORTS
Chimney supports are attached to chimney sections the
same way elbows are attached. Refer to Step B-8. Nail
the chimney support straps to adjacent structural
framing, as shown in Fig. 12. Bend the straps as
necessary and make sure they are tight so they will be
able to support the weight of the chimney.
[) B-11. LOCATE CENTERPOINT OF NEXT
CEILING HOLE
NOTE: If there is no other ceiling, you have completed
Section B. Turn now to Section C, Penetrating the Hoof,
In a manner similar to that used in Steps B-1 and B-2,
mark the centerpoint of the next ceiling hole.
[] B-12. PREPARE SECOND CEILING HOLE
Repeat Steps B-3. Mark area of ceiling chimney hole;
B-4, Cut ceiling chimney hole; B-5, Frame ceiling
chimney hole; and B-8, install firestop spacer.
C] B-13. CONTINUE INSTALLING CHIMNEY
SECTIONS | |
Continue installing chimney sections and chimney
supports (as required), until the chimney passes through
the second ceiling hole.
NOTE: Repeat Steps B-11 through B-13 as many times as
necessary to pass through all the ceilings in the building
and bring the chimney just short of the roof.
C. Penetrating the Roof
The chimney system must be vented out-of-doors
and must be terminated in an approved EQUUS top
termination.
NOTE: If you are using a chase, go to Section D.
[J] C1. LOCATE CHIMNEY CENTERPOINT
AT ROOF
Use the same procedure detailed in Steps B-1 and B-2.
Drive a nail up through the roof at the marked center-
point. This wili mark the centerpoint on the outside of
the roof.
Li C-2. CUT AND FRAME ROOF HOLE
The size of the roof hole varies with the type of chimney
top that will be installed. Refer to the installation
instructions provided with your EQUUS chimney top
termination to find the correct size of roof hole for this
installation. There must be at least 2 inch air space
between the outermost section of the chimney sections
and any adjacent combustible (burnable) surfaces.
WARNING: DO NOT PACK REQUIRED AIR SPACES
WITH INSULATION OR OTHER MATERIALS,
{Combustible surfaces include such things as ceiling
members, joists, flooring, combustible insulation and roof
structures.)
Mark the outline of the roof hole around the centerpoint
nail. Note: The hole dimensions given in the chimney top
installation instructions are horizontal dimensions;
therefore, the hole size must be marked on the roof
accordingly.
Cover the opening of the installed chimney.
Cut and frame the hole. It is good practice to use framing
lumber that is the same size as the rafters. Install frame
securely. Chimney top and flashing anchored to frame
must withstand heavy winds.
LJ] C-3. DETERMINE MINIMUM CHIMNEY HEIGHT
ABOVE ROOF
Maior U.S. building codes specify minimum chimney
height above the roof top. These specifications are
summarized in the Ten Foot Rule. (See Fig. 13.) The key
points of this rule are:
1. 1f the horizontal distance from the center of the
chimney to the peak of the roof is 10 feet or less, the
top of the chimney must be at least 2 feet above the
peak of the roof, but never less than 3 feet in height
above the highest point where it passes through the
roof.
2. If a horizontal distance from the center of the chimney
to the peak of the roof is more than 10 feet, a
chimney height reference point is established that is
on the surface of the roof a distance of 10 feet from
the center of the chimney in a horizontal plane. (See
Fig. 13.) The top of the chimney must be at least 2
feet above this reference point, but never less than 3
feet in height above the highest point where it passes
through the roof. |
These chimney heights are necessary in the interest of
safety and do not assure a smoke-free operation.
{1 C-4. INSTALL REMAINDER OF CHIMNEY
SECTIONS
Continue installing chimney sections up through the roof
hole. Check your chimney top installation instructions
for data on how high above the roof top the CHIMNEY
SECTIONS (all pipes} should go.
“TO 10°
2' MIN.
3' MIN.
REFERENCE POINT
Fig. 13. Ten foot rule for chimney height.
[J C-5. INSTALL CHIMNEY TOP HOUSING
OR TERMINATION
Follow the installation instructions provided with the
- EQUUS chimney top you have selected.
Then proceed to Framing and Finishing, Section H.
D. Installing Chimney in a Chase
A chase is a vertical box-like structure built to enclose the
fireplace and/or its chimney.
CAUTION: Treatment of firestop spacers and con-
struction of the chase may vary with the type of
building. These instructions are not substitutes for
the requirements of local building codes. Therefore,
your local building codes must be checked to deter-
mine the requirements for these steps.
NOTE: Other material may be required in addition to
EQUUS Firestop Spacers.
When installing the fireplace and chimney in a chase, it is
always good building practice to insulate the chimney
chase as you would an outside wall of your home, See
Section G, which describes insulation methods.
Refer to Framing and Finishing on page 12. Upon comple-
tion of puiiding your chase frame, install the chimney
system. Follow the instructions for Installing the Chimney
starting on page 4. Then proceed to Step D-1.
L] D-1. INSTALL FLASHING AND CHIMNEY TOP
Follow the installation instructions provided with the
EQUUS chimney top you have selected.
Then proceed to Framing and Finishing, Step H-1.
E. Instail the Electrical Connection
L] E-1. ELECTRICAL CONNECTION
CAUTION: ALL WIRING SHALL BE DONE BY A
QUALIFIED ELECTRICIAN AND SHALL BE IN
COMPLIANCE WITH ALL LOCAL, CITY AND STATE
BUILDING CODES,
IMPORTANT: To prevent electrical shock, the house
power must be disabled. This can be accomplished by
positioning the circuit breaker to off,
[.] E-2. INSTALLATION OF FIELD WIBING
The fans require 120 VAC, 60 Hz power which may be
connected to the right side of the fireplace at the junction
box (J box) provided with the unit. This power should be
provided at initial installation, since access to the outer
casing is normally not practical at a later date,
The junction box (J box) is attached to one (1) screen
assembly of the fireplace.
Before installing the junction box {J box) to the fireplace,
remove the cover plate and two (2) mounting screws from
the iower right side of the fireplace and set aside.
The outer casing insulation is perforated on the sides for
installation of the J box. Tear at the perforations and lift
up — do not remove this insulation.
Remove the knockout in the center of the cover plate.
install the house power connection to the cover plate
using listed cable clamps. Feed the house wire through
the listed cable clamp leaving approximately 6 inches of
wire exposed through the cover plate. Secure the listed
cable clamp to the wire.
Using pliers remove the nut from the grounding stud in
the J box and attach the green ground wire from the
house power. Re-install the nut securely. (See Fig. 15.)
Attach the white wire from house power to one (1) wire of
the receptacie and secure within a wire nut. Attach the
black wire from the house power to the other wire of the
receptacie and secure within a wire nut. (See Fig. 15.)
IMPORTANT: The wire nuts must be tight.
Install the J box into the fireplace through the hole made
available by removing the cover plate, The flange has a
hole which will align with the hole in the outer casing.
(See Fig. 14.)
Secure the J box to the fireplace with the sheet metal
screw provided.
NOTE: The flange of the J box goes outside the outer —
casing.
Re-install the cover plate being careful to position the
excess wire within the J box.
JB INSTALLED
JB RETAINING
FIREPLACE FAN RECEPTACLE |
Fig. 14. Installing JB (Junction Box/Receptacie).
WHITE |
oo { [JUNCTION BOX (JB
120 VAC HOUSE WIRING
Fig. 15. Wiring diagram.
F. Install Qutside Air System
INSTALLATION PRECAUTIONS | |
The duct termination should be located so it Is exposed
to an out-of-doors opening 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
compete for air flow with exhaust fans, gas vent hoods or
other air consuming devices or appliances. it must not be
obstructed by rafters, insulating materials or other.
obstructions. |
It is a good practice to protect your hands and eyes
during installation by wearing work gloves and safety
glasses.
CAUTION: DO NOT INSTALL TERMINATION INTO A
GARAGE OR OTHER AREA THAT COULD CONTAIN
FLAMMABLE LIQUIDS OR FUMES, OR INTO AN ATTIC
SPACE.
[1 F-1. PLAN INSTALLATION
Determine the location of the fireplace as described in
this fireplace Installation Manual. Then plan the location
of the duct termination and the route of the duct run
between the fireplace and the duct termination. (Refer to
Fig. 16.)
Duct run must be limited to a maximum distance of 40
feet from the fireplace pipe collar to duct termination.
This will provide the least restriction to air flow. No more
than four 80° elbows can be used, Duct run may be
horizontal, vertical inclined or any combination of these.
Vertical duct runs must be at least three (3) feet below
the fireplace chimney flue exit. (See Fig. 16.)
[J F-2. INSTALL DAMPER ASSEMBLY
Remove the four (4) screws, outside air cover plate and
internal insulation knockout from the left side of the
fireplace. Retain the screws for mounting the damper
assembly to the fireplace. Discard the cover plate and
insulation knockout.
‘The cartoned outside air components are shipped within
the firebox of the fireplace.
You are ready to install the air duct and the damper
assembly. Insert the air duct into the hole in the outer
casing, originally covered by the cover plate, until its side
flanges contact the outer casing. (Note: Slot in air duct
should be toward the front of the fireplace when
installed.) Position the gasket to the backside of the
damper assembly. install the damper assembly by
inserting its damper rod through the slot in the air duct
and through the keyhole in the bottom of the left side
brick retainer. (See Fig. 17.) The damper assembly should
be positioned so the damper blade swings freely in
operation. When positioned properly, attach the damper
assembly to the outer casing by aligning the four (4)
mounting holes and securing with four (4) screws
removed previously. Attach the knob to the threaded end
of the damper rod.
Check to see if the damper operates correctly. Push and
pull damper rod to check that damper blade freely opens
and closes, To lock damper closed, push damper rod in
and down, locking detent on the rod into the keyhole in
the brick retainer. To open, push damper rod inward and
up, then pull outward.
L] F-3. ATTACH DUCTING
— Secure 4-inch diameter ducting (not supplied) to inlet
collar. Route ducting to termination point.
NOTE: Four (4) inch Class 1 ducting material or metal duct
(not supplied) may be used. |
10
(For installation in New York State, only aluminum,
non-combustible flexible or type “0” metal ducting is
permissible.) |
SOFFIT
TERMINATION
DUCT TERMINATION
MUST BE MORE THAN
3’ BELOW CHIMNEY
Y
AT 7
DUCT — — CEILING
TERMINATION-
40' MAX. e
DUCT RUN -
| Г”
EXTERIOR WALL TERMINATION
Tn
i Ï
a
EXTERIOR pl LU +
WALL
40’ МАХ,
/ DUCT RUN
RAIN PN
DUCT /
TERMINATION DUCT
Fig. 16. Typical installations.
#10 SCREW
GASKET
DAMPER
ASSEMBLY
AIR DUCT
COMBUSTION
CASING
(CLOSED)
1
; 4 res
KNOB
QUTER
CASING
DAMPER ROD——
KEYHOLE
LEFT SIDE
OF FIREBOX
KEYHOLE
Fig. 17. Mounting damper assembly.
[] F-4. INSTALL TERMINATION AND CAP
At the termination end, you should install the duct -
termination. This should be installed from the outside of
the home and should be covered with the rain cap (the
rain cap snaps on}. Cut a hole in the desired location
approximately 4%2 inches in diameter, caulk around the
hole, and slide the termination, with rain cap attached,
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. (See Fig. 18.)
DUCT TERMINATION
RAIN CAP
CAULKING
WALL
Li G-2. INSPECT JOINTS |
Inspect joints of the fireplace as well as the points of
sealing between the fireplace and the finishing materials.
Any cracks should be sealed with non-combustible
caulking or insulation. See Fig. 20 for details of sealing
spaces between the fireplace and finishing materials.
[1 G-3. INSULATION OF ENCLOSURE
When a fireplace is instalied in a chase or on an outside
wall, the enclosure should be insulated like any other wall
of the 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 firestop at the first ceiling level
above the fireplace and close the chase with sheeting
material. Insulation may then be installed above the
sheeting material {0 assure the space around the
fireplace is totally protected. See Fig. 21 for additional
details of suggested insulating methods.
CAUTION: WHEN INSTALLING A FIREPLACE IN AN
INGULATED ENCLOSURE, BE SURE ALL MARKED AIR
~ SPACES ARE MAINTAINED.
Fig. 18. Caulk and install duct termination cap in place.
G. Insulating Fireplace Enclosure
For Cold Climates
The WMIL42A(S/D) is fuli insulated as shipped Нот
MAJESTIC, To further reduce cold air into your home in
cold climate areas, sections G-1 through G-3 are
recommended.
[J G-1. INSULATE BASE OF FIREPLACE
insulate the base of the fireplace with a non-combustible
insulation rated for a minimum of 300% This step is
particularly important for outside wall installations over
— concrete slab floor construction, if a platform is used to
raise the fireplace, the insulation should be placed on top
of the platform before the fireplace is set. (See Fig. 19.)
NON-COMBUSTISLE
CAULKING OR
INSULATION
2x4
Bd heee: Teno
A — Lee
LEDGE FINISHING MATERIAL
BRACKET
+ x
Fig. 20. Sealing spaces between fireplace and finishing
materials, |
FLAT, HARD
SIE
by
EA,
BLA
e
a A
ar ан
ER
ли
X ha = >
Y DN
TT TA
E
pa Pr
A ri
By A ла
INSULATION
PLATFORM
INSULATION >
- T
SN o
=
se," ,
1) NN +”
de Y
Ye i aa
Y зу"
“
SHEETING-7 XI -
MATERIAL DÁ
INSULATION
w'"
в *,
Ls
LA
«+
a
|
"a f
+ A
+ x
-
* г
a a -
Fig. 19. Insulation between platform and fireplace.
Fig. 21. Additional insulating methods.
11
НВ. Framing and Finishing
L] H-1. DETERMINE WHEN TO INSTALL _
FRAMING
Firepiace framing can be built before or after the
fireplace is set in place. Fig. 22 shows the minimum
framing dimensions.
[J H-2. BUILD FRAMING | |
The firepiace framing should be constructed of 2 x 4
lumber or-heavier, Refer to Framing Data on page 17 for
basic fireplace dimension that will affect the framing
dimensions.
The header may rest on the fireplace standoffs (V-angles
on the front ledge of the fireplace), but must NOT be
noiched to fit around them.
Framing should be positioned to accommodate wall
covering and fireplace facing material, Nailing tabs
provided on the side of the fireplace can be used to
anchor the fireplace. Nail through the tabs into the
vertical framing members. (See Fig. 4.)
CAUTION: All joints between the finished wall and the
fireplace surround (top and sides) must be sealed
with non-combustible material. Only non-combustible
material may be applied as facing to the tireplace
surround.
L] H-3. FINISH WALL
Finish the wall with material of your choice. Do not
install a combustible mantle closer than 20 inches
above the outlet grille. If a combustible material is used,
consult your local building codes for the minimum
clearance from the top of the fireplace opening to the
bottom of the mantle.
When finishing the fireplace, a combustible facing
material (i.e. drywall or wood paneling} may be installed
at the fireplace surround top as shown in Fig. 23. This
material may rest on the ledge brackets (L-brackets on
the front edge of the fireplace), but must NOT be notched |
to fit around them.
All joints (top, bottom and sides), where the wall or
decorative facing material meets the fireplace surround
must be completely sealed with a non-combustible
material, (See Figs. 23, 25 and 26.)
When finishing the fireplace, never obstruct or modify
the air inlet/outlet grilles in any manner. |
(3 H-4. ADD PROTECTION TO SIDE WALLS
Adjacent combustible side walls that are within 28” of the
fireplace openings must be protected with EQUUS Wall
Shield Model SP40, or a built-up wall shield design
described in Fig. 24.
The built-up wall shield design described in Fig. 24 is an
alternate method for adding protection to side walls and
can be used in place of the SP40 with the same wall
clearances specified for the SP40.
EXAMPLES OF INSULATION:
1. Johns Manville — CERAFORM 126, K = .27, Ya" thick
required.
2. EQUUS Building Products — EH2416, K = 458, 1"
thick required.
2x4 ;
FINISHED [О MANTEL
ne TAS HEADER 1
2 x 4 STUD \ y 6
E y
EINISHED WALL 1 NU
STUD
20" ABOVE
SEALED WITH
NON-COMBUSTIBLE =
MATERIAL
STANDOFFS
SURROUND mmm”
Y
MUST BE SEALED
WITH NON-COMBUSTIBLE
MATERIAL
LEDGE
BRACKET
Dz FINISHED
WALL
~~
Fig. 23, Fireplace surround flush with finished wall,
2x 4's
q "| 2x4
HEADER
AT NAIL SIDE TABS
A
as ma # Ц — +
2514” MIN
E 485” MIN, + m soe || MN
A r |
IR Y AL $ | g
Ne 2х 45 wd ме ABSA! сети
FRONT VIEW PLAN VIEW
40” MIN.
/
- El 40" MIN.
NON-COMBUSTIBLE
— EINSULATION
R= 1.85 MIN.
DECORATIVE
С FORM 126
NON-COMBUSTIBLE ner on tus
RIGID COVERING BUILDING FRODUCTS EH2416
Fig. 22. Minimum fireplace enclosure dimensions.
12
Fig. 24. Non-combustible wall shield dimensions.
[1] H-5. INSTALL HEARTH EXTENSION,
A hearth extension is required to protect combustible
floor construction in front of the fireplace. (See Figs. 27
and 28.)
The hearth extension described in Fig. 27 must be
constructed of a rigid insulation with a minimum R value
of 3.70. (See Table 4 for examples.) The overall height
{above combustible floor), depth and width must be as
indicated, with it centered to the fireplace opening,
MATERIAL K* В THICKNEES
Manville +
EQUUS Building |
Products EH2416 0.458 2.18 1.70 in.
Common Brick 50 0.20 18.63 in.
R Value is for one (1) inch
* Units of K = BTU/SQ FT/HR/CF/N
** Thickness of Listed Material
TABLE 4. Common materials and their factors.
The top of the insulation must be covered with a non-
combustible decorative covering or a piece of 018”
minimum sheet metal, to protect the hearth extension
material, (See Fig. 27)
Secure the hearth extension to the floor to prevent
shifting, using trim molding or other similar means at the
three (3) outer edges. Seal the crack between the
fireplace hearth and the hearth extension with a non-
combustible material. (See Fig. 27)
WARNING: |
HEARTH EXTENSION MUST BE INSTALLED IN
ACCORDANCE WITH FIGS. 27 AND 28 AND MUST
NOT COVER THE GRILLE OPENING OF THE
FIREPLACE.
Alternate, non-combustible materials may be used,
providing the thermal resistance (R value) of the alternate
material employed is greater than or equal to an R =
3.70. The thermal resistance (R) or the thermal conduc-
tivity (K), may be obtained from the manufacturer of the
material, The factors are related by the formula K = 1/R.
T = given thickness
R = thermal resistance for a given thickness (T)
K = thermal conductivity
Non-combustible material with a lower R value may be
used, provided the thickness of the material is sufficiently
greater to maintain an equivalent thermal resistance (R).
EXAMPLE OF DETERMINING
HEARTH EXTENSION EQUIVALENT
To determine the thickness required for any new material:
NEW K of new material {per inch) thickness
required = . : : x of listed
thickness K of listed material {per inch) material
EXAMPLE FOR EQUUS BUILDING PRODUCTS
EH2416 MILLBOARD
T (new) = 0.458/0.27 x 1.00 in, = 1.70 in. (new required
thickness)
STUD
2x4
FINISHED
HEADER
FINISHED WALL
NON-COMBUSTIBLE
: DECORATIVE
FACING
MUST BE
SEALED WITH
NON-COMBUSTIBLE
MATERIAL
SURROUND
Fig. 25. Fireplace surround flush with finished wall.
STUD
FINISHED WALL~] Fra 2 x 4 HEADER
x COVERED
NON-COMBUSTIBLE — E WALL
DECORATIVE
FACING
MUST BE
SEALED WITH
NON-COMBUSTIBLE | q
MATERIAL \-STANDOFFS
SURROUND
Fig. 26. Facing on fireplace surround flush with
finished wall.
WALL COVERING
- 2x4 HEADER —
SEE FIG. 23
DO NOT NOTCH
AT STANDOFFS
SEE DETAIL BELOW
MAJESTIC SAFETY
STRIPS MUST BE
Ir
OVERLAPPED ‘2 AND HEARTH
MIN. — SEE FIG. 8 EXTENSION WITH
NON-COMBUSTIBLE DECORATIVE NON-COMBUSTIBLE
COVERING OR 0.018" MINIMUM | MATERIAL
SHEET METAL
DO NOT BLOCK
GRILLE OPENING
SEAL CRACK
BETWEEN FIREPLACE
INSULATION
MIN. R VALUE
OF 3,70
Fig. 27. Sealing detail.
13
[J H-6. INSTALL DECORATIVE GAS APPLIANCE
The MAJESTIC WMIP-42A Series fireplace is designed to
accept a % inch gas line for an approved gas appliance.
Have the appliance installed by a qualified plumber in
accordance with all building codes. The gas connection
may enter from either side of the fireplace. The following
instructions apply to the side selected. |
Locate the gas line holé in the outer casing of the
fireplace and remove the insulation from the gas line
tube. (Refer to Fig. 28)
Next, insert a V2 inch gas pipe through the gas line tube
from the outside of the fireplace and forcibly punch out
the metal knockout on the inside of fireplace.
Now, install the ¥2 inch gas pipe through the opening.
After the gas pipe installation is complete, use the insula-
tion that was removed from the gas line tube to repack
the space arcund the pipe. This should be inserted from
the outside of the fireplace and packed tightly to totally
seal between the pipe and the tube. |
NOTE: The gas pipe should not come in contact with
any wood structures until it has reached a point at
least one (1) inch away from the fireplace side. (See
Fig. 29 for instaliation clarification.)
NOTE: Local codes may require removal of the flue
damper when installing any type of gas appliance in a
fireplace. For instructions on damper removal, refer to
Majestic Instruction BF151. Heat output of a gas
appliance installed in the fireplace should be rated less
than 100,000 BTU/Hr. |
The gas pipe installation is intended for connection to a
decorative gas appliance only, in accordance with the
National Fuel Gas Code, ANSI Z223.1-1984.
CAUTION: WHEN USING DECORATIVE GAS
APPLIANCE, THE FLUE DAMPER MUST BE SET IN
THE FULLY OPEN POSITION,
I. Installing Glass Doors/Door
Tracks/Door Frame.
The WMIH-42AS and WMH-42AD door track/door frame
and glass door panels are individually packaged to
protect the finish during fireplace installation. The giass
door enclosures are carefully engineered and tested as
part of the fireplace instaliation and MUST be installed in
accordance with the following instructions.
C1 1-1, MOUNT WhIilI-42AS DOOR TRACKS
You wilt find prepunched holes in the top and bottom
surround for the mounting of the door tracks. With the
shorter leg of the track facing away from the fireplace,
place one spring bracket in each end of the door track.
(See Fig. 30.) (NOTE: #8 x 54 inch long pan head
screws must he installed into slots in spring brackets
with holes in brackets positioned to outward ends of
door tracks.) Using two (2) #8 x 34 inch long pan head
screws, position the door track and two (2) spring
brackets as shown in Fig. 30. Install two (2) #8 x % inch
long flat head screws in center of two (2) holes of door
track, securing the door track to the bottom surround,
making certain the spring brackets are positioned as
close to the sides of the fireplace as possible. Attach the
remaining door track to the top surround using the same
method.
L] 1-2. MOUNT WMH-42AD DOOR FRAME
Locate and remove the three (3) sheet metal screws from
each side of the firebox opening that attaches the sur
round to the firebox casing. (See Fig. 31.) Slide the door
frame into firebox opening until top and bottom edges are
tight against fireplace surround. Align holes in side
14
mounting flanges with mounting holes in firebox casing
sides. Secure each side by reinstalling the three (3) sheet
metal screws. (See Fig. 32.)
MINIMUM WALL COVERING DIMENSIONS
EQUUS
WALL SHIELD
(SEE STEP H-4)
4 BRICK —] | \
TOP VIEW FE E
MIN. DIST WITH | © !
WALL SHIELD = B ew
L PROPOSED PERPENDICULAR
SIDE WALLS
COMBUSTIBLE
SIDE WALL
MINIMUM HEARTH |
EXTENSION
DIMENSIONS | |
a _ A| 28”
/ \ B| 18
/ \ Cl 121°
/
у / с I UN +, \ D 18%2°
{Л НВ] = G14"
>a le a [few
H Gl 127
HI 22”
A HI 61"
ok i pe
Fig. 28. Protection of adjacent combustible walls
and hearth extension dimensions.
HOLE IN
QUTER
CASING
\ KNOCKOUT
GAS LINE
TUBE
REPACK
INSULATION
METAL
HOLE IN KNOCKOUT
OUTER (EACH SIDE)
CASING
Fig. 29, Install iron pipe gas line through provided hole
in either side of fireplace.
[] 13. INSTALL GLASS DOORS
Instail the door assemblies by folding each door and then
placing it in the track at an angle and sliding the pivot pin
into the spring bracket. When the hinge pin is snapped in
place, top and bottom, the door should slide smoothly in
the track, (See Fig. 33.)
To remove door panel, open door assembly, depress top
spring bracket and swing upper door panel inward and
out of track.
Close door panels and check vertical gap between edges
of inner door panels and inner frame sides. If uneven gap
exists, the spring bracket(s) located in each corner of the
frame track will need to be adjusted. (See Fig. 34.)
To adjust, determine which spring bracket and direction
bracket needs to be moved, Remove door panel as
described above. Loosen attachment screw retaining
spring bracket and slide bracket in desired direction. (See
Fig. 34.) Secure screw and reinstall door panel. Check
alignment and repeat procedure if necessary.
[} 1-4. OPERATING GLASS DOORS
Your fireplace is equipped with glass doors. Start the fire
and leave the doors fully open (with screens closed).
AFTER the fire is well started, then the doors may be
closed. Do not close the doors on an excessively hot fire,
The glass must be allowed to warm slowly. An exces-
sively hot fire can be created by such things as pitch
laden logs, very dry mill end lumber, or large amounts of
paper or cardboard cartons. Keep the fire well back from
the doors and never let flames contact the glass.
The glass doors must always be in either the fully opened
or fully closed position. Partially opened doors can cause
air drafts that may swirl the fire dangerously or cause
smoke to be blown into the room. Any time you have a
fire burning in the fireplace and you open the glass
doors, be sure to close the fireplace screen.
WARNING: FIREPLACES EQUIPPED WITH DOORS
SHOULD BE OPERATED WITH DOORS FULLY OPEN
OR DOORS FULLY CLOSED. IF DOORS ARE LEFT
PARTLY OPEN, GAS AND FLAME MAY BE DRAWN
QUT OF THE FIREPLACE OPENING, CREATING RISKS
OF BOTH FIRE AND SMOKE, (See Fig. 35 for correct
door positions.)
7
Ey
L
THREE (3)
SHEET
METAL
MOUNTING
SCREWS
#8 x %” LONG
FLAT HEAD |
SCREWS (4)
#8 x 34" LONG——<
PAN HEAD
SCREWS (4)
LOWER
DOOR TRACK——
48 x %4" LONG™ uy
PAN HEAD *
SCREWS (4)
LOWER
TRACK
LOWER DOOR UPPER
SPRING BRACKET DOOR
SPRING
BRACKET
MOUNTING
FLANGE
Fig. 30. Mounting door tracks.
Fig. 32. Mounting door frame.
15
SPRING | TOP PIVOT PIN |
GAP—> ADJUSTMENT SCREW
A |
| UPWARD
MOTION
GLASS
CENTER
GUIDE PIN
TOP PIVOT |
PIN N
|
\ .
\ Nu SPRING
BRACKET
DOOR
TOP. TRACK
A
TN
/1/ y e
| / 7 /
4 у
=
BOTTOM A
ne И 7
| BRACKET )
J
>
i
Lsranoano poon DELUXE DOOR _
CENTER OF
FIREBOX
Fig. 33. Mounting door assembly in door tracks. Depress
top spring bracket to remove door assembly.
BOTTOM
SPRING
BRACKET
ADJUSTMENT SCREW SoAGK
Fig. 34. Adjusting door panels.
RIGHT RIGHT
Fig. 35. Correct glass door position.
16
Reference Data
AIR SPACE DATA - | |
Any MAJESTIC WMH-42A Series fireplace can be located The minimum air space-to-combustibles requirements for
directly on a flat hard-surfaced combustible floor or on a chimney sections and dome are detailed in Fig. 36.
wooden platform without air space from combustible con- WARNING: DO NOT PACK REQUIRED AIR SPACES
struction. Some protection, however, is required for adjacent | WITH INSULATION OR OTHER MATERIALS
surfaces as detailed in Fig. 36. a | DS ВН
| | FIRESTOR
2" AIR SPACE TO COMBUSTIBLE == (EE STEP B-6)
MATERIALS
р й COMBUSTIBLE
; : FRAMING
| ‚ MATERIAL i
‚| | CAN NOT
5 || PENETRATE a
| ; SHADED AREAS ‘
hn | - STANDOFF — i
FN РОС ОЕАННЯ LER AE NEL TEST PR Fa За" АВ SPACE
TO BACK
Ay" AR SPACE
TO SHOES
FRONT VIEW SIDE VIEW
NOTE: SHADED AREAS {INDICATE NECESSARY
AIR SPACE TO COMBUSTIBLE MATERIALS
0" CLEARANCE
TO FLOOR
“HEARTH —.
EXTENSION
SHIELD
(SEE STEP H-4)
(SEE STEP H-5)
Fig. 36. Minimum air space to combustible materials.
DIMENSIONS
ATTA | - . we E] a Co
- 6" TYP. | — == 0% DIA
Ÿ ©
A A }
716” op at
TYP. |
17 [40%
571846" 4" DIA. OUTSIDE
| 8115/0 | AIR COLLAR В
7 = pas A CL i - EA
| ES 7 Emo
ml AL 41"
38%" | 42" J
| 4054" 19300" 2174"
> 3454" | | |
| © |
н м ` 1%"
8% N o у Eee EL | у 74"
_ = ACCESS HOLE |[* x
176" [at > GRATE AND DOORS NOT SHOWN.
Fig. 37. Dimensions of WMII-42A(S/D).
17
Accessory Parts
The following accessory parts can be obtained from your Majestic Dealer. The fan kit, top terminations, outside air kit, glass -
doors, and hearth patching kits are supplied with installation instructions packaged with the unit. Should you need additional
information beyond what your dealer can furnish, contact the Majestic Company, Huntington, indiana 46750, Attention: Director
of Customer Service,
CAUTION: This fireplace and chimney assembly is a highly engineered system and, as such, must be operated only
with Majestic or EQUUS Building Products approved components that have been designed as parts of the system. If
you use an unapproved component or make any modifications, you may possibly cause a fire hazard and will void the
Majestic warranty. In addition, such action may void the coverage provided by the owner’s home insurance.
Accessory Description | Моде! №.
Blower System
Designed for use with the fireplace to WFKA2A
provide forced air flow.
Wall Shield
Used to protect walls adjacent SP40
to the fireplace.
Round Top
Termination |
Used to terminate chimney on RT8C
the roof. Flashing not included. | (87 fue)
Used to develop offset chimney
systems. 30° elbows are 830A/2
available. (Elbows packed 2 per (8” 30° flue)
carton — upper and lower elbow set}
| Extended Round
Top Chase
Termination Used to terminate chimney at the |
top of a chase. Adapter kit included. RT8CL
Flashing not included. | (8” flue)
| 8-6-12
Required for contemporary round (8” flue: O to 6/12 pitch)
top termination on the roof to -
| | 8-12-12
prevent rain entry. | | (8" Aue: 6/2 to 12/12 pitch)
Located on the fioor in front of
the fireplace opening to protect
the floor from heat, hot embers,
ashes, etc.
a SUN ЕН2416
SENOS.
e NN
Accessory
Description Model No,
Hearth Patching Kit Used to patch cracks in hearth. HPC1
Traditional Top
Housings
mt
== | |
E Gives traditional chimney top look 120A
SESS using simulated brick in red, tan or (single flue)
«= white color. Brick pattern is TL20A
embossed into galvanized steel unit. (extra tall single flue)
Roof flashing is included. Appropriate T44A |
adapter is required. (double flue)
Double Flue
Housing Extensions
Required to extend Traditional * single flue)
E Top Housings on steeply pitched 204436
HZ Ne my fs,
IEEE (0075 (double flue)
Used to support the chimney at |
each 30 feet of vertical height TCSBA
above the hearth and at every 6 feet 8" flue)
of inclined chimney run. Each support
adds 22 inches to chimney length.
Used with chase terminations to 1.88
prevent rain entry. (8" flue)
Chimney
Sections 8" flue
81 (1' long)
Used to build chimney systems. 818 (11%' long)
83 (3' long)
84 (4' long)
—19
Accessory
Description
E
Model No,
Contemporary Chase
Top Termination +
Used to terminate chimney at the
top of a chase. Flashing is not
included. Appropriate adapter is required. 112008
See Sections 2 and 3,
Basket Grate =
| -— Standard
Used in the firebox to hold - Equipment
firewood. Replacement
RBG42-C
Required at each floor level and
attic on multi-story installation.
FS2A (8 straight flue)
FS6A (8” 30° inclined flue)
-+
Used as an alternate to the FS2A
firestop to reduce the clearance
from the chimney to combustible AS-8A
framing. | |
Adapter Kit
Required to unite triple-wall 8CA
chimney with. Traditional Top (8” flue)
Housing.
Adapter Kit f =D
TT. Required to unite triple-wall
chimney with Contemporary TT8CB
Chase Top.
(8” flue)
LISTINGS FOR RESIDENTIAL CONSTRUCTION:
WMILA2AS, WMH-42AD)
* UNDERWRITERS LABORATORIES REPORT NO. MHB018
Underwriters’ Laboratories, Inc.
A Division of Equus
Huntington, IN 46750-2579 (219) 356-8000
"WMIl-42A Fireplaces are covered by Mechanical Patent 4,519,376
7412-373 WMHAN / 588
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