B. Clearances
WARNING! Risk of Fire! You must comply with all minimum air space clearances to combustibles as specified in Fig- ure 6.2. DO NOT pack required air spaces with insulation or other materials.
Storm Collar
Roof Flashing
(attic)
(insulation)
2 in. (51 mm) min. 
Shaded areas
represent
2 in. (51 mm) min. air space clearance required around pipe
Attic
Insulation
Shield
(ceiling)
Offset/Return (secured
with hanger straps)
(ceiling)
Ceiling Firestop
Object | to floor |
Combustible | |
| 48 in. |
| 1219 mm |
| 0 in. |
|
|
Must have 2 in. (51 mm)
minimum clearance
to header
0 in. to level of standoffs
1/2 in. (13 mm) to back & sides of appliance, and at nailing flanges
Figure 6.2 Clearances to Combustible Materials
Note: Chimney air kit is not shown, but is required in Canada.
Heatilator • SC60 • 32838 • Rev Y • 11/08 WIP | 19 |
