
10
Heatilator • Caliber Mesh CD Series-SIT Valve • 4040-849 Rev H • 11/07
Measured from top of hood (in inches)
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
5
5-1/2
6-1/4
7
7-3/4
8-1/2
9-1/4
10
10-3/4
11-1/2
12-1/4
13
13-3/4
14-1/2
15-1/4
16
30 in. minimum
to ceiling
Figure 3.3 Clearances to Mantels or Other Combustibles Above Appliance
1 in. (25 mm) min.
to perpendicular wall
A
3-1/2 in. (89 mm) min.
from fireplace opening
to perpendicular wall
B
48 in.
(1219 mm)
max.
Mantel Leg or
Perpendicular Wall
Top of
Appliance
Drywall
A
B
Figure 3.4 Clearances to Perpendicular Wall
ance is being installed on a cement slab, a layer of plywood may be placed underneath to prevent conducting cold up into
Fire Risk
• Comply with all minimum clearances to combustibles as speci
fi
ed.
• Framing
or
fi
nishing 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
fi
re.
WARNING