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Outdoor Lifestyles by Hearth & Home Technologies • Montana US-CAN • 4039-156 Rev AA • 10/12/15

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B. Finishing Material

•  Combustible Material

  Material  which  is  made  of  or  surfaced  with  wood, 

compressed paper, plant fibers, plastics, or any material 

capable of igniting and burning, whether flame proofed or 

not, plastered or not plastered.

•  Non-Combustible Material

  Material which will not ignite and burn. Such materials are 

those consisting entirely of steel, iron, brick, tile, concrete, 

slate, glass or plasters, or any combination thereof.

•  Non-Combustible Sealant Material

  Sealants  which  will  not  ignite  and  burn:  Rutland,  Inc. 

Fireplace  Mortar  #63,  Rutland  76R,  Nuflex  304,  GE 

RTV106 or GE RTV116 (or equivalent).

After completing the framing and applying the facing material 

(drywall) over the framing, a bead of non-combustible seal-

ant must be used to close off any gaps at the top and sides 

between the fireplace and facing to prevent cold air leaks. 

Large gaps can be bridged with fiberglass rope gasket.
Only non-combustible materials may be used to cover the 

black metal fireplace front.

 

Cat # 

B

 MONTANA-36  

36 in./91.4 cm  42 in./106.7 cm

 MONTANA-42  

42 in./106.7 cm 48 in./121.9 cm

B

A

12 in.

[305 mm]

9 3/4 in.

[248 mm]

12 in.

[305 mm]

10 3/4 in.

[273 mm]

FLUSH

FRONT

4 in.

[102 mm]

BRICK

FRONT

50° angle

39° angle

Grid represents 1 in. scale

Figure 8.5  Sidewalls/Surrounds

Fire Risk

Do NOT obstruct air inlet or outlet grilles.

Do NOT modify grilles.

•  Modifying  or  covering  grilles  could  cause 

temperature rise and fire hazard.

Finishing materials must not interfere with:

•  Air flow through grilles or louvers

•  Operation of louvers or doors

•  Access for service

WARNING

Fire Risk

Finish all edges and fronts to clearances and 

specifications.

•  Metal fireplace front may be covered with 

non-combustible material only.

•  Do NOT overlap combustible materials onto 

fireplace front.

•  Install combustible materials up to specified 

clearances on top front and side edges.

•  Seal joints between the finished wall and 

fireplace top and sides using only a 300° F 

minimum sealant.

WARNING

C. Mantel

A  combustible  mantel  may  be  positioned  no  lower  than 

12 in. (305 mm) above the top of the fireplace opening. The 

combustible mantel may have a maximum depth of 12 in. 

(305 mm),  Combustible  trim  pieces  that  project  no  more 

than  1-1/2 in.  (38 mm)  from  the  face  of  the  fireplace  can 

be placed no closer than 6 in. (152 mm) from the top of the 

fireplace  opening.  See  Figure  8.4.  Combustible  trim  must 

not  cover  the  metal  surfaces  of  the  fireplace. This  mantel 

clearance is in accordance with 

Section 7-3.3.3 of ANSI/

NFPA211

.

D. Sidewalls/Surrounds

Adjacent combustible side walls must be located a minimum 

of 12 in. (305 mm) from the fireplace opening. If you are us-

ing a decorative surround constructed of combustible ma-

terial, it must be located within the shaded area defined in 

Figure 8.5. Short stub walls are also acceptable if they are 

contained within the shaded area. 

E. Glass Doors

This fireplace has been tested and listed for use with doors 

as specified in Section 12.B. Fireplace  Components. Please 

refer to the manual packed with each set of doors for instal-

lation instructions.

12 in. (305 mm) 

min. 

12 in. (305 mm) 

max. 

Top of 

Fireplace 

Opening 

Mantel 

1-1/2 in.

 (38 mm) max.

6 in. (152 mm) min. 

Header 

Standoff 

6 ft (1829mm) minimum

 base of fireplace to ceiling

Figure 8.4  Mantel Specifications

Fire Risk

•  Maintain clearances.

•  Use  only  non-combustible  material  below 

standoffs, material such as cement board is 

acceptable.

WARNING

•  Framing or finishing material used on the front of, or 

in  front  of,  the  appliance  closer  than  the  minimums 

listed, must be constructed entirely of noncombustible 

materials (i.e., steel studs, concrete board, etc.). 

Summary of Contents for MONTANA MONTANA-36

Page 1: ...se gasoline or other flam mable vapors and liquids in the vicinity of this or any other appliance Do not overfire Overfiring will void your warranty Comply with all minimum clearances to combustibles as specified Failure to comply may cause house fire WARNING HOT SURFACES Glass and other surfaces are hot during operation and cool down WARNING CAREFULLY SUPERVISE children in same room as appliance ...

Page 2: ... Location The model information regarding your specific fireplace can be found on the rating plate located on the smoke shield of the fireplace Congratulations Grate Serial Number FIREPLACE NO MODEL NO MODEL NO MFG DATE WARNING RISK OF FIRE DAMAGE REPLACE GRATE WITH HEARTH HOME TECHNOLOGIES INC OUTDOOR FIREPLACE INTENDED FOR USE WITH HEARTH HOME TECHNOLOGIES INC LISTED FIREPLACE PARTS SEE INSTALLA...

Page 3: ...e check the Chimney Assembly 17 G Secure the Chimney 17 6 Complete the Enclosure A Chimney Termination 18 B Chase Top 19 C Install the Termination Cap 20 7 Accessories A Gas Log Lighter Provisions 22 8 Finishing A Hearth Extension 23 B Finishing Material 24 C Mantel 24 D Sidewalls Surrounds 24 E Glass Doors 24 9 Operating Instructions A General Information 25 B Clear Space Near the Fireplace 26 C ...

Page 4: ...replace It should not be factored as a primary heat source in residential heating calculations Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to the owner s information manual provided with this fireplace For assistance or additional information consult a qualified installer service agency or your dealer WARNING Fire Risk Do not install...

Page 5: ...stalled on exterior walls Hearth Home Tech nologies recommends that the fireplace chase be con structed outside the structure s weather envelope Where the platform meets the wall use a flashing detail similar to that required for attached decks Chase platforms including hearths should slope away from the structure at 1 8 in to 1 4 in per foot The fireplace can be shimmed level When installed on su...

Page 6: ...or rust may cause odors CAUTION D Inspect Fireplace and Components Carefully remove the fireplace and components from the packaging The vent system components and doors are shipped in separate packages Report to your dealer any parts damaged in shipment Read all the instructions before starting the installation Follow these instructions carefully during the installation to ensure maximum safety an...

Page 7: ...trations and photos reflect typical installations and are FOR DESIGN PURPOSES ONLY Illustrations diagrams are not drawn to scale Actual installation appearance may vary due to individual design preference Hearth Home Technologies reserves the right to alter its products Freestanding Installations see Figure 3 2 When installing this fireplace as a freestanding fireplace on your porch patio or in yo...

Page 8: ...C D G G C D H G F J I E Figure 3 1 Fireplace Locations FREESTANDING INSTALLATION Combustible Structure Enclosed Fireplace 10 ft Min Figure 3 2 Freestanding Fireplace Locations Model A B C D E F G H I J Montana 36 in 24 1 2 24 42 43 46 1 2 1 1 2 1 1 2 74 1 2 53 1 2 mm 622 610 1067 1092 1168 13 38 38 1892 1359 Montana 42 in 24 1 2 24 48 49 52 1 2 1 1 2 1 1 2 80 1 2 57 mm 622 610 1219 1245 1321 13 38...

Page 9: ... 1 1 2 in 38 mm B Clearances Figure 3 3 Clearances to Combustible Materials Fire Risk Comply with all minimum clearances to combustibles as specified Framing or finishing material used on the front of or in front of the appliance closer than the minimums listed must be constructed entirely of noncombustible materials i e steel studs concrete board etc Failure to comply may cause fire WARNING ...

Page 10: ...ssuming combustible materials are used All re quired clearances to combustibles around the fireplace must be adhered to See Figure 3 2 Any framing across the top of the fireplace must be above the level of the top standoffs Cat A B MONTANA 36 36 in 91 4 cm 42 in 106 7 cm MONTANA 42 42 in 106 7 cm 48 in 121 9 cm B A 12 in 305 mm 9 3 4 in 248 mm 12 in 305 mm 10 3 4 in 273 mm FLUSH FRONT 4 in 102 mm ...

Page 11: ...f 10 ft from a combustible structure See Figure 3 2 Chimney must extend 2 ft 6 m above any portion of the roof within 10 ft 3 m of the chimney Refer to Figure 6 1 Note A maximum of two pairs of offsets and returns may be used ft m Minimum height with offset return 14 5 4 42 Maximum height 90 27 43 Maximum chimney length between an offset and return 20 6 1 Maximum distance between chimney stabilize...

Page 12: ...on either a combustible or noncombustible continuous flat surface Follow the in structions for framing in Section 3 D Slide the fireplace into position Be sure to provide the minimum air clear ance at the sides and back of the fireplace assembly See Section 3 B Sharp Edges Wear protective gloves and safety glasses during installation CAUTION 4 Installation of Fireplace Fire Risk Asphyxiation Risk ...

Page 13: ...cessary Secure the fireplace using the nailing flang es located on either side of the fireplace to the vertical framing Note When elevating the fireplace above the hearth extension the front of the elevated platform must be protected with a protective metal hearth strip as shown in Figure 4 4 Raised Platform Floor 2 in 51 mm 1 in 25 mm min overlap 2 in 51 mm Top piece must overlap bottom piece Fig...

Page 14: ...tops stabilizers roof flashing etc required to complete the fireplace installation Table 5 1 Do NOT connect this fireplace to a chimney flue servicing another appliance Do NOT connect to any air distribution duct or system CAUTION Fire Risk Must maintain 2 in 51 mm air clearance to insulation and other combustible materials WARNING Note A maximum of two pairs of offsets and returns may be used 5 C...

Page 15: ...the base of the fireplace to the top of the starter collar See Dimensions in Section 12 Table 5 2 A B 1 1 4 in 32 mm OVERLAP Figure 5 1 Chimney Offset Return Example Your A dimension from Figure 5 3 is 14 1 2 in 368 mm Using Table 5 2 the dimension closest to but not less than 14 1 2 in 368 mm is 15 3 4 in 400 mm using a 30 offset return It is then determined from the table that you would need 36 ...

Page 16: ...he ceiling joists EXCEPT when the space above is uninsulated and the attic insulation shield is not being used see Figure 5 5 When the attic insulation shield is used the ceiling firestop may be above or below the joist of an insulated ceiling Note You must provide support for the pipe during construction and check to be sure inadvertent loading has not dislodged the chimney section from the firep...

Page 17: ...the tabs on the bottom of the tube inward to 90 to maintain chimney air space Rest the insulation shield on the ceiling firestop below Bend the tabs at the top of the shield inward to 90 to maintain the 2 in 51 mm air space from the chimney E Install Attic Insulation Shield Warning Risk of Fire You MUST install an attic insu lation shield when there is any possibility of insulation or other combus...

Page 18: ...ed into position with the screws outer only To prevent gravity from pulling the chimney sections apart the returns and the chimney stabilizers have hanger straps for securing these parts to joists or rafters See Figure 5 7 or equivalent 6 or 8 sheet metal screw no longer than 3 4 in 19 mm Ceiling Firestop Straps Optional Additional Support Joint Band Optional Figure 5 7 Secure the Chimney ...

Page 19: ... roof Chimney must extend 2 ft 6 m above any portion of the roof or adjacent structures within 10 ft 3 m of the chimney Chimney must extend 3 ft 9 m above the roof Chimney must extend 2 ft 6 m above any portion of the roof or adjacent structures within 10 ft 3 m of the chimney Multiple Chimney Locations A B 6 in minimum up to 20 in 152 mm 508 mm 18 in minimum 457 mm 20 in and over 0 in minimum Gas...

Page 20: ...ic Construction Fire Risk Must maintain 2 in 51 mm air clearance to insulation and other combustible materials WARNING Mark the Exit Point of the Roof Locate the point where the chimney will exit the roof by plumbing down to the center of the chimney Drive a nail up through the roof to mark the center See Figure 6 2 Cut Out the Hole in the Roof Measure to either side of the nail and mark the 14 1 ...

Page 21: ... 6 4 Installing a TR11 TR444 Round Termination Cap TR11 TR444 Round Termination Cap Storm Collar Chimney Pipe Chase Top Termination Cap Chase 14 1 2 in 368 mm Maximum Collar 2 in 51 mm Minimum Height Caulk gaps between storm collar pipe and storm collar chase top Do NOT block air holes 3 clip brackets Slip over chase collar and attach with screws provided Termination cap pipe and chimney section m...

Page 22: ...screws from front back to lift the top off Termination cap pipe and chimney section must overlap 1 1 2 in 38 mm Place waterproof sealer under each flange of the termination cap and on top of each screw to help prevent leaks The last section of pipe must stop between 2 in 51 mm above top of chase and 7 in 178 mm below top of chase 2 in 51 mm 7 in 178 mm Figure 6 7 Installing a TCT1175 Terra Cotta C...

Page 23: ...vided on both sides of the fireplace and in refractories for 1 2 in 13 mm iron pipe We recommend you seal refractory around pipe with fireplace mortar or high temperature noncombustible sealant Repack insulation from the knockout around the pipe Maintain 1 1 2 in 38 mm air space around the pipe for 4 in 102 mm beyond the fireplace See Figure 7 1 Firebox Repack insulation knockout Combustible mater...

Page 24: ...een tested and approved for use with a hearth extension insulated to a minimum R value of 1 03 To substitute materials for the factory available hearth ex tensions see Figure 8 3 and calculate insulation alterna tives as per Table 8 1 and the following formulas Thermal conductivity per inch thickness k k BTU inch foot2 hour F Required thickness Rk Thermal resistance per inch thickness r r foot2 ho...

Page 25: ... may be covered with non combustible material only Do NOT overlap combustible materials onto fireplace front Install combustible materials up to specified clearances on top front and side edges Seal joints between the finished wall and fireplace top and sides using only a 300 F minimum sealant WARNING C Mantel A combustible mantel may be positioned no lower than 12 in 305 mm above the top of the f...

Page 26: ...ned or as in the case of any appliance if minor repairs are required to maintain the system in top operating condition Fire Risk Do not operate fireplace before reading and understanding operating instructions Failure to operate fireplace properly may cause fire WARNING Fire Risk For use with solid wood fuel or decorative gas appliance only Do not install unvented gas logs WARNING Damper Figure 9 ...

Page 27: ... combustion gases WARNING B Clear Space Near the Fireplace Combustible materials must not be stored on the hearth ex tension Room furnishings such as drapes curtains chairs or other combustibles must be at least 4 ft 1 22 m from the open front of the fireplace C Flue Damper The flue damper must be in full open position and is oper ated by moving the handle up toward the top of the fireplace Before...

Page 28: ...t you are doing if you burn unseasoned wood Seasoning Seasoned firewood is nothing more than wood that is cut to size split and air dried to a moisture content of around 20 The time it takes to season wood varies from around nine months for soft woods to as long as eighteen months for hardwoods The key to seasoning wood is to be sure it has been split exposing the wet interior and increasing the s...

Page 29: ...ice an industrial odor the first few fires This is considered normal Note When first lighting your fireplace it may be necessary to pre warm the flue to establish a draft This is done by holding a rolled up piece of burning newspaper under the flue damper for a few moments This will help reduce smoke spillage during start up Odors and vapors released during initial operation Curing of high tempera...

Page 30: ...lue opening to start upward movement Does the kindling wood not ignite Condition amount arrangement of kindling and fuel Use more drier well spaced kindling and fuel Does the kindling ignite but the fuel doesn t Amount of kindling Use more kindling use smaller dry wood Condition of fuel Does the fuel ignite but not burn well Condition of fuel Use well seasoned wood and sufficient amount turn exhau...

Page 31: ...ner on combustible surface Ashes should be retained in closed container until all embers have thoroughly cooled WARNING Fire Risk Prevent creosote buildup Inspect chimney once every two months during heating season Remove creosote to reduce risk of chimney fire Ignited creosote is extremely HOT WARNING C Firebox Refractory Replacement Check firebox refractory for excessive cracks or gaps If cracks...

Page 32: ...ionals Ensure all joints are properly engaged and the chimney is properly secured A chimney fire can permanently damage your chimney sys tem Failure to replace damaged components and make proper repairs creates risk of fire Inspect Maintenance Tasks Screens 1 Assess condition of screen and replace as necessary Screens are required 2 Verify maintenance of proper clearance to combustible household o...

Page 33: ... 9 1 2 in 241 mm E Gas Log Knockout both sides Outside Air both sides Model A B C D E MONTANA 36 36 in 42 in 25 in 13 7 8 in 13 1 4 in 915 mm 1067 mm 635 mm 353 mm 337 mm MONTANA 42 42 in 48 in 31 in 14 in 14 in 1067 mm 1219 mm 787 mm 356 mm 356 mm 42 3 8 in 1076 mm 38 3 4 in 984 mm A 23 1 2 in 597 mm 6 3 4 in 171 mm B 41 3 4 in 1060 mm effective height ...

Page 34: ...iption MONTANA 36 MONTANA 42 Fireplace with Integral Grate Cooling Air Kit Traditional Brick Refractory and Hearth Protection Strips MONTANA 36H MONTANA 42H Fireplace with Integral Grate Cooling Air Kit Herringbone Pattern Refractory and Hearth Protection Strips DM1836S DM1842S Bi fold Glass Doors Clear View Stainless Steel HX3 HX4 Hearth Extension WC42S Weather Cover Stainless Steel GR33 GR21 Int...

Page 35: ...Outside Air SL1106 SL406 Chimney Section 6 in 152 mm long SL1112 SL412 Chimney Section 12 in 305 mm long SL1118 SL418 Chimney Section 18 in 457 mm long SL1136 SL436 Chimney Section 36 in 914 mm long SL1148 SL448 Chimney Section 48 in 1219 mm long SL11 SL4 Chimney Stabilizer SL1130 SL430 Chimney Offset Return 30 deg FS538 FS538 Ceiling Firestop Straight FS540 FS540 Ceiling Firestop 30 deg AS10 AS10...

Page 36: ...hield 2 in 51 mm 13 in 330 mm JB577 Chimney Joint Band 13 in 330 mm CB576 Chimney Joint Band 39 7 8 in 1013 mm 28 in 711 mm 15 1 4in 387 mm RF571 Roof Flashing 25 1 4 in 641 mm 29 in 737 mm 15 1 4 in 387 mm RF570 Roof Flashing SL1130 SL430 Offset Return 21 in 533 mm Inside Diameter 11 in 279 mm SL11 10 in 254mm SL4 Outside Diameter 13 in 330 mm Catalog A B FS538 0 deg 17 in 432 mm FS540 30 deg 26 ...

Page 37: ... 32 3 8 in 822 mm 34 3 8 in 873 mm ST1175 ST475 Square Termination Cap 23 in 584 mm 19 in 483 mm 15 5 8 in 397 mm TCT1175 Terra Cotta Cap available US only 9 3 8 in 238 mm 10 1 4 in 260 mm 17 in 432 mm 20 in 508 mm LDS BV Decorative Shroud 23 in 584 mm 22 in 533 mm 26 in 660 mm 15 1 2 in 394 mm 12 1 2 in 318 mm Catalog A B C D in mm in mm in mm in mm LDS33 36 914 36 914 8 5 216 11 279 LDS46 48 121...

Page 38: ... A 26 5 x 28 in 673 x 711 mm with Radiation Shield 28 x 30 in 711 x 762 mm 34 x 34 in 864 x 864 mm with Radiation Shield 28 x 30 in 711 x 762 mm with Radiation Shield or 34 x 34 in 864 x 864 mm Minimum Height N A 28 1 4 in 718 mm 27 1 2 in 699 mm 28 1 4 in 718 mm 27 1 2 in 699 mm ROOFED STYLE with 12 x 22 in 264 sq in 305 x 559 mm opening on each side and 3 in 76 mm space between the radiation shi...

Page 39: ...39 156 Rev AA 10 12 15 39 D Service Parts Service Parts MONTANA 36 MONTANA 36H Beginning Manufacturing Date Sept 2003 Ending Manufacturing Date Active 36 Outdoor Woodburning Fireplace 2 1 3 4 5 6 8 9 10 11 12 13 14 15 16 17 7 Part number list on following page 10 15 ...

Page 40: ...or Track 4039 118 SRV4039 118 7 Door Clips Qty 2 Req 30407 SRV30407 Traditional Refractory 8 Right Side Refractory 28393 SRV28393 9 Back Refractory 29992 SRV29992 10 Left Side Refractory 28393 SRV28393 Hearth Refractory 29993 SRV29993 Herringbone Refractory available post week 3 04 8 Right Side Refractory 4010 013 SRV4010 013 9 Back Refractory 4010 016 SRV4010 016 10 Left Side Refractory 4010 014 ...

Page 41: ...S CAN 4039 156 Rev AA 10 12 15 41 Service Parts MONTANA 42 MONTANA 42H Beginning Manufacturing Date Sept 2003 Ending Manufacturing Date Active 42 Outdoor Woodburning Fireplace 2 1 3 4 5 6 8 9 10 11 12 13 14 15 16 17 7 Part number list on following page 10 15 ...

Page 42: ...5L SRV30375 6 Top Door Track 30400 SRV30400 7 Door Clips Qty 2 Req 30407 SRV30407 Tradtional Refractory 8 Right Side Refractory 28393 SRV28393 9 Back Refractory 28394 SRV28394 10 Left Side Refractory 28393 SRV28393 Hearth Refractory 28391 SRV28391 Herringbone refractory available post week 3 04 8 Right Side Refractory 4010 013 SRV4010 013 9 Back Refractory 4010 015 SRV4010 015 10 Left Side Refract...

Page 43: ...ty only covers Products that are purchased through an HHT authorized dealer or distributor A list of HHT authorized dealers is available on the HHT branded websites This warranty is only valid while the Product remains at the site of original installation Contact your installing dealer for warranty service If the installing dealer is unable to provide necessary parts contact the nearest HHT author...

Page 44: ...oduct has been over fired or operated in atmospheres contaminated by chlorine fluorine or other damaging chemicals Over firing can be identified by but not limited to warped plates or tubes rust colored cast iron bubbling cracking and discoloration of steel or enamel finishes and cracking or spalling of refractory or cementitious materials The Product is subjected to prolonged periods of dampness ...

Page 45: ...83 5429495 5452708 5542407 5601073 5613487 5647340 5688568 5762062 5775408 5890485 5931661 5941237 5947112 5996575 6006743 6019099 6048195 6053165 6145502 6170481 6237588 6296474 6374822 6413079 6439226 6484712 6543698 6550687 6601579 6672860 6688302B2 6715724B2 6729551 6736133 6748940 6748942 6769426 6774802 6796302 6840261 6848441 6863064 6866205 6869278 6875012 6880275 6908039 6919884 D320652 D...

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