Clearances - Heatilator A36C Owner's Manual

B. Clearances
10
Fire Risk
• Comply with all minimum clearances to combustibles as specifi 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.
Storm Collar
Roof Flashing
2 in. min.
(51 mm)
(attic)
2 in. (51 mm) min.
Ceiling Firestop
2 in. (51 mm) min.
0 in.
to floor
Figure 3.2 Clearances to Combustible Materials
Heatilator • A36C & A42C • 28396 Rev Y • 10/06
WARNING
2 in. (51 mm) min.
Attic
Insulation
Shield
Ceiling Firestop
(ceiling)
2 in. (51 mm) min. 2 in. (51 mm) min.
Offset/Return with
hanger straps
(ceiling)
2 in. (51 mm) min.
Must have 2 in. (51 mm)
minimum clearance
0 in. to level
of standoffs
3/4 in. (19 mm) to side of appliance
(except at nailing flanges where it is 1/2 in. [13 mm])
to header