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Superiorfireplaces.US.com

900671-00_NC

5

FIREPLACE INSTALLATION

SELECTING LOCATION

To determine safest and most efficient location for fireplace, you 

must take into consideration the following guidelines:
1.  Location must allow for proper clearances (see Figures 1 and 2).
2.  Consider a location where fireplace will not be affected by drafts, 

air conditioning ducts, windows or doors.

3.  A location that avoids cutting of joists or roof rafters will make 

installation easier.

4.  An outside air kit is available with this fireplace (see Optional 

Outside Air Kit on page 7).

 38 

5

/

8

(981 mm) 

 22" 

(559 mm) 

 38 

1

/

4

" (972 mm) 

Figure 1 - Framing Dimensions

 13 

3

/

4

(350 mm) 

 66 

7

/

8

" (1699 mm) 

 19 

1

/

2

"

(496 mm) 

 47 

3

/

8

"

(1204 mm) 

Maintain 

3

/

4

(19 mm)

Clearance at 

Sides and Back 

of Fireplace 

3

/

4

" (19 mm) Clearance Not

Required at nailing Flanges 

Figure 2 - Corner Installation

extend under fireplace a minimum of 1 

1

/

2

".  Ember  protector 

should be made of galvanized sheet metal (28 gage minimum) 

to prevent corrosion.

6.  Using screws or nails, secure fireplace to framing through flanges 

located on sides of fireplace.

     WARNING

Do not install this appliance in a bedroom.

     WARNING

Do not pack required air spaces with insulation or other 

materials.

MINIMUM CLEARANCE TO COMBUSTIBLES

Back and sides of fireplace                        3/4" (19 mm) minimum*
Floor**                                                           0" (0 mm) minimum
Perpendicular wall to opening                   14" (356 mm) minimum
Top spacers                                                    0" (0 mm) minimum
Mantel clearances                                           see Mantels, page 6
Chimney outer pipe surface                          1" (26 mm) minimum

* Not required at nailing flanges

** See step 2 of Framing

MINIMUM/MAXIMUM CHIMNEY HEIGHT

Minimum height of chimney, measured from base of fireplace to 

flue gas outlet of termination, is 

11-½ 

feet for straight flue or a flue 

with one elbow set. Maximum distance between elbows is 6 feet. For 

systems with two elbow sets, minimum height is 22 feet. Maximum 

height of any system is 50 feet. This measurement includes fireplace, 

chimney sections and height of termination assembly at level of flue 

gas outlet (see Figure 27, page 13).

FRAMING

1.  Frame opening for fireplace using dimensions shown in Figures 

1 and 2.

2.  If fireplace is to be installed directly on carpeting, tile or any 

combustible material other than wood flooring, fireplace must 

be installed upon a metal or wood panel extending full width and 

depth of fireplace.

3.  Set fireplace directly in front of this opening and slide unit back 

until nailing flanges touch side framing.

4.  Check level of fireplace and shim with sheet metal if necessary.
5.  Before securing fireplace to prepared framing, ember protector 

must be placed between hearth extension (not included) and 

under bottom front edge of fireplace to protect against glowing 

embers falling through. If fireplace is to be installed on a raised 

platform, a Z-type ember protector (not included) must be fabri-

cated to fit your required platform height. Ember protector should 

HEARTH EXTENSION

A hearth extension projecting a minimum of 16" in front of and a 

minimum of 8" beyond each side of fireplace opening is required to 

protect combustible floor construction in front of fireplace. Fabri

-

cate a hearth extension using a material which meets the following 

specifications: a layer of noncombustible, inorganic material having 

a thermal conductivity of k = .84 BTU IN/FT

2

 HR °F (or less) at 1" 

thick. For example, if material selected has a k factor of 0.25, such 

as glass fiber, the following formula would apply:
  0.25 x 1.0" = 0.30" thickness required

 0.84
Thermal conductivity "k" of materials can be obtained from manu-

facturer or supplier of noncombustible material. If hearth extension 

is to be covered, use noncombustible material such as tile, slate, 

brick, concrete, metal, glass, marble, stone, etc. Provide a means to 

prevent hearth extension from shifting and seal gap between fireplace 

frame and hearth extension with a non-combustible material such as 

sand-cement grout (see Figure 3, page 6).

Summary of Contents for MHWB36CB

Page 1: ...ent free log heater see Accessories page 19 FOR CANADA The authority having jurisdiction such as the municipal building department fire department etc should be contacted before installation to determ...

Page 2: ...n sibility for the following actions a Modificationofthefireplace components doors airinletsystem and damper control b Use of any component part not manufactured or approved by IHP in combination with...

Page 3: ...efluwithheadaches dizziness or nausea If you have these signs get fresh air at once Have the appliance inspected by a qualified service technician Some people are more affected by carbon monoxide than...

Page 4: ...S THAN 14 356 mm TO PERPENDICULAR SIDEWALL OUTSIDE AIR LEFT SIDE ONLY GAS LINE KNOCK OUT ROUND TOP TERMINATION SQUARE CHASE TOP TERMINATION AIR KIT KNOCK OUT LEFT SIDE 13 7 8 353 mm 9 1 8 232 mm 3 4 1...

Page 5: ...stem is 50 feet This measurement includes fireplace chimney sections and height of termination assembly at level of flue gas outlet see Figure 27 page 13 FRAMING 1 Frame opening for fireplace using di...

Page 6: ...o Combustible Material 33 12 1 4 312 mm Ref 1 1 2 39 mm Max 6 153 mm Ref 6 153 mm Min 9 229 mm Min 12 305 mm Min 3 77 mm Nom Combustible Material Safe Zone For Projection of Combustible Materials Uppe...

Page 7: ...ach outside air vent termination 6 Construct an 8 x 8 inside framing or opening on exterior wall 7 Install outside air vent termination in a location that would not eventually be obstructed by bushes...

Page 8: ...Install the thimble from below a finished roof and ceiling assembly Push the thimble assembly tube section first up into an already prepared opening and secure open end of the thimble base to the fini...

Page 9: ...boveceilinglevel firestopspacermustbeinstalled on the bottom side of the ceiling If an attic is above ceiling level firestop thimble must be installed on the bottom side of ceiling joist Figure 14 Not...

Page 10: ...64 1 2 134 3 8 1 2 1 67 1 4 139 5 8 4 VENTING INSTALLATION Continued Figure 14 Installing Thimble Outer Pipe Thimble Cathedral Ceiling 14 Min Outer Pipe Of Chimney PENETRATING ROOF To maintain a 1 cle...

Page 11: ...etrate inner stainless FIRESTOP SPACERS 3600FS 8DM 1 Firestop spacers are required at each point where chimney penetrates a floor space Their purpose is to establish and maintain required clearance be...

Page 12: ...3 Places Secure with Screws RLT 8DM Level of Flue Gas Outlet Caulk Collar Flashing Underlap Shingles Bottom Only Figure 23 Termination Overlap Shingles Top and Sides Flue Pipe of RLT 8DM Inside Inner...

Page 13: ...92 m Min 3 0 92 m Min Level of Flue Gas Outlet Figure 25 10 Foot Rule CHIMNEY SUPPORT BRACKET KIT CSK 8DM If exposed portion of chimney is greater than five feet above roofline support wires are recom...

Page 14: ...g that the gas valve is on apply soap and water solution to all connections and joints Bubbles forming show a leak Correct all leaks at once DO NOT USE AN OPEN FLAME FOR LEAK TESTING AND DO NOT OPERAT...

Page 15: ...in this fireplace Always keep fire back from doors and never allow flames to contact glass OPTIONAL GAS LINE INSTALLATION Continued FINISHING FIREPLACE Combustible materials such as wallboard gypsum...

Page 16: ...yhole slot then pull down and forward to lock it in place see Figure 34 Vent damper must be locked in the full open position before operating fireplace Figure 33 Damper Handle Location Damper Handle W...

Page 17: ...fireplace ready You can also visit our web site at Superiorfireplaces US com CAT NO MODEL DESCRIPTION BI FOLD GLASS DOORS F0972 BDB36 36 Standard Black Finish Included F0973 BDB36B 36 Standard Brushed...

Page 18: ...600FS 8DM 1 1 Clearance Firestop Spacer ROOF FLASHING F0909 V6F 8DM Roof Flashing 0 to 6 12 Pitch 30 Base F0910 V12F 8DM Roof Flashing 6 12 to12 12 Pitch CHIMNEY SUPPORT BRACKET KIT Support Bracket Se...

Page 19: ...ce Hood ADJUSTABLE FIRESTOP THIMBLE Not shown F2696 LB 97008A Adjustable Firestop Thimble LABEL UL127 50PK WARNING HOT Fire Risk Insulation and combustibles must not touch pipe Consult manual for clea...

Page 20: ...Superiorfireplaces US com 900671 00_NC 20 PARTS WOOD BURNING FIREPLACE MODEL MHWB36CB 11 27 23 23 22 24 10 14 25 4 17 3 2 1 18 5 20 28 12 7 15 9 16 30 13 29 8 26 6 19 21...

Page 21: ...Front Bottom Brick Liner 1 16 J6937 Blower Access Plate 1 17 J6895 Refractory Retainer 2 18 Top Insulation 1 19 Insulation Retainer 1 20 J6918 Top Standoff 4 21 J6893 Chimney Starter Collar 1 22 Door...

Page 22: ...4 36 8HT 36 Section Hi Temp Double Wall Pipe Snap Lock F0885 48 8HT 48 Section Hi Temp Double Wall Pipe Snap Lock F0886 30E 8HT 30 Degree Hi Temp Offset and Return F0887 12S 8HT Hi Temp Chimney Suppor...

Page 23: ...be subject to normal use with approved fuels listed in the Operation Manual provided with the product This includes burning such fireplace fuels as wood and natural or propane gas Fuel products with a...

Page 24: ...aler name P900671 00 Innovative Hearth Products reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors styles and produc...

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