Hearth and Home Technologies A42CH EN - Manual (Page 10)

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