Heat & Glo HST-48D Owner's Manual page 19

B. Clearances
WARNING! Risk of Fire!
ure DO NOT pack required air spaces with insulation or other materials
You must comply with all minimum air space clearances to combustibles as speci ed in ig-
Storm Collar
Roof Flashing
(attic)
(insulation)
2 in. (51 mm) min.
Ceiling Firestop
48 in.
1219 mm
Figure 6.2 Clearances to Combustible Materials
Note:
Shaded areas
represent
2 in. (51 mm) min.
air space clearance
required around pipe
(ceiling)
Offset/Return (secured
with hanger straps)
(ceiling)
Adapter
0 in. to level
of standoffs
0 in.
to floor
Attic
Insulation
Shield
Must have 2 in. (51 mm)
minimum clearance
to header
1/2 in. (13 mm) to
sides of appliance