Hearth and Home Technologies Indoor/Outdoor Gas Fireplace Twilight-II-B - Manual (Page 18)

Heat & Glo LifeStyle Collection • Twilight-II-B • 2108-900 Rev. M • 11/08 18
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Figure 5.3 Clearances to Combustibles
Note: Framing dimensions assume use of
1/2 inch thick wall covering materials on
exterior of framing only, and NO sheetrock
on interior of framing.
From top of hood to
ceiling (interior) or
overhang (exterior).
Figure 5.2 Exterior View - Minimum Clearances
Vinyl Non-vinyl
A 36 in. 12 in.
B 64-5/16 in. 35-5/16 in.
OVERHANG
A
A
B
SIDING SIDING
SIDING
FINISHING MATERIALS
A
INTERIOR
FRAMING
EXTERIOR
FRAMING
E
D
C
A B
B. Clearances
NOTICE: Install appliance on hard metal or wood surfaces
extending full width and depth. DO NOT install directly
on carpeting, vinyl, tile or any combustible material other
than wood.
WARNING! Risk of Fire! Do not install appliance against
vapor barriers or exposed insulation. Prevent contact with
sagging or loose insulation.
• Locate and install appliance to all clearance specifi cations
in manual.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
making contact with fi replace.
• Failure to maintain airspace may cause overheating and
a fi re.
CLEARANCES TO COMBUSTIBLES:
A B C D E F G H I J K
Exterior
Rough
Opening
(Height)
Interior
Rough
Opening
(Height)
Rough
Opening
(Depth)
Rough
Opening
(Width)
Framing
for non-
combustible
material
Clearance
to Ceiling
(INT)
Clearance to Overhang
(EXT)
Combustible
Floor
Combustible
Flooring
Standoff
Height
Inside
Standoff
Height
Outside
Sides of
Appliance
Non-Vinyl Vinyl
Inches 49-1/4 41-1/4 23 44 46-1/8 35-3/4 35-5/16 64-5/16 0 0 3-3/8 9-1/2 1/2
mm 1251 1048 584 1118 1172 908 897 1634 0 0 86 241 13
Note: Verify that tabs on insulation bracket are in an upright
position.