Heatilator I60 Installation Manual page 35

E. Mantel and Wall Projections
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WARNING! Risk of Fire!
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WARNING:
Seal joint with
non-combustible
sealant to prevent
heat from being drawn
into the wall cacity
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Combustible Wall
2 x 4 stud wall
Standoffs
Non-combustible
Decorative Facing
such as: Steel, iron,
brick, tile, concrete,
slate, tile, plasters
DO NOT cover any
air openings in the
face of the fireplace.
Heatilator • I60/I80 • 4013-260 Installers Manual • Rev W • 03/23
Combustible
Decorative Facing
12 in./305 mm
12 in./305 mm
minimum
6 in./152 mm
minimum
1 1/2 in./
38 mm
maximum
Measured from top of fireplace opening
Grid represents
1 in. squares
7 ft (2134 mm)
minimum
base of fireplace
to ceiling