Specifications LM42 / LM42-SS

Please consult the manufacturer’s installation manual for all details and requirements before making a final

design layout decision.

Longmire Linear Wood-Burning Fireplace

1-1/2" [38]

15-1/2" [394]

1-1/2" [38]

31" [787]

65" [1651]

59-3/4" [1518]

18" [457]

12" [305]

16" [406]

38-1/8" [968]

42" [1067]62" [1575]

10" [254]

12-1/2" [318] 18-3/4"

[476]

8" [203]

53-1/4" [1353]

56-5/8" [1438]

24" [610]

12-1/2" [318]

10" [254]

MODEL FRONT WIDTH BACK WIDTH HEIGHT DEPTH VIEWING AREA

LM42LM42-SS

Actual Framing Actual Framing Actual Framing Actual Framing38-1/8" x 16"[968 x 406]65"

[1651]65-1/2"[1664]

65"[1651]

65-1/2"[1664]

59-3/4"[1518]

60-1/4"[1530]

24"[610]

24"[610]

Front View Top View

1-1/2" [38]

15-1/2" [394]

1-1/2" [38]

31" [787]

65" [1651]

59-3/4" [1518]

18" [457]

12" [305]

16" [406]

38-1/8" [968]

42" [1067]62" [1575]

10" [254]

12-1/2" [318] 18-3/4"

[476]

8" [203]

53-1/4" [1353]

56-5/8" [1438]

24" [610]

12-1/2" [318]

10" [254]

Right Side ViewLeft Side View

Specifications

HEARTH PAD EXTENSION

LM42 / LM42-SS

Heatilator • LM42 • Installers Manual • 4087-901 • Rev A • 04/14/1614

60-1/4"[1530]

65-1/2"[1664]

14-1/2"[368]

24"[610]APPLIANCE MAY BE INSTALLED

OFF OF FLOOR***

16"[406]

36"

0"

E=MEASUREMENT FROM TOP OF FIREPLACE OPENING TO CEILING

K=MEASUREMENT FROM BOTTOM OF FIREPLACE TO CEILING

0"

0"

MINIMUM FRAMING DIMENSIONS*

LM42A B C* D E F G H I

to

Depth

Behind

Appliance

Appliance

14-1/2" 60-1/4" 24" 0 16" 0" 0"

610 1664 914 0 406 0 0

* = Adjust framing dimensions for interior sheathing (such as sheetrock)

Construct platform in accordance with local building codes.

Figure 3.3 Clearances to Combustibles

" " "

FRAMING DIMENSIONSAPPLIANCE LOCATION – INSIDE

* 8" (203 mm) extra space included for outside air connection. If outside air duct has no bend, this dimension may be reduced as long as minimum clearances are met.

Across a corner

In an exterior chase

Along a wallAs a room divider

*

* *

80-3/4" [2051]30-3/8" [772]

30-3/8" [772]

58-1/2" [1486]

117" [2972]65"

[1651]

20" [508]

65" [1651]*73" [1854]

24" [610]

65" [1651]*73" [1854]

24" [610]

*73" [1854]

65" [1651]

24" [610]

48" [1219]

20" [508]

12" [305]

Note: If this surface is inside the building’s warm air envelope... ...then this surface

must be an exterior wall system.

20" [508]

* 8" (203 mm) extra space included for outside air connection. If outside air duct has no bend, this dimension may be reduced as long as minimum clearances are met.

*

*

80-3/4" [2051]30-3/8" [772]

30-3/8" [772]

58-1/2" [1486]

117" [2972]

65" [1651]

65" [1651]

*73" [1854]

24" [610]

*73"

[185

4]

65" [

1651

]

3 ft (914 mm)minimum

from fireplace openingto ceiling

Combustible Wall

2 x 4 header

Standoffs

Measured from top of fireplace opening

1 1/2 in./38 mmmaximum

Non-combustibleDecorative Facing

44 in.(1118 mm)minimum

Base of fireplace

Grid represents 1 in. squares

Mantel

12 in./305 mm

14 in./356 mmminimum

8 in./203mmminimum

APPLIANCE LOCATION – OUTSIDE

Hearth Extension Dimensions

Model # A B C

LM42in. 16 8

mm 1321 406

52"[1321] 8"

[203]

8"[203]

16"[406]

MANTEL AND WALL PROJECTIONS

WS/HTL/LONGMIRE/LM42_0416

PRODUCT LISTING CODES

US UL 127

CAN ULC-S610

Product information provided is not complete and is subject to change without notice. Product installation must adhere strictly to instructions accompanying product to avoid risk of fire and potential injury.

Additional information can be found online at www.heatilator.com

Lakeville, MN Phone: (800) 927-6841 Web: www.heatilator.com