Vent Clearances And Framing; Pipe Clearances To Combustibles; Wall Penetration Framing; Vertical Penetration Framing - Heatilator CB4236IR Owner's Manual

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Vent Clearances and Framing

A. Pipe Clearances to Combustibles
WARNING
Fire Risk
Explosion Risk
Maintain vent clearance to combustibles as
specifi ed.
• Do not pack air space with insulation or
other materials.
• National building codes recommend
using attic shield to keep loose materials/
insulation from contacting vent.
Failure to keep insulation or other materials
away from vent pipe may cause fi re.
Follow vent pipe manufacturer's instructions for all clear-
ances around pipe.
Heatilator • Caliber BV Series • 4040-225 Rev J • 07/06
B. Wall Penetration Framing
Figure 6.1 Exterior Wall Hole
For a wall penetration consult B-vent pipe manufacturer's
instructions. Use same dimensional framing materials as
those used in the wall construction.
Note: MUST terminate vertically.
C. Vertical Penetration Framing
Use B-vent manufacturer's fi restops to provide adequate
clearances.
WARNING
Fire Risk
Keep loose materials or blown insulation
from touching the vent pipe.
• National building codes recommend
using attic shield to keep loose materials/
insulation from contacting vent.
• Hearth & Home Technologies requires
the use of an attic shield.
Do not pack with insulation
or other materials.
Use manufacturer's
installation instructions for
framing dimensions
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