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Heatilator • Caliber Multi-Sided B-Vent • 4002-094 Rev H • 11/07
13
45°
Elbow
90°
Elbow
Offsets exceeding
45° adapt horizontal
limitations
Maximum
horizontal
30 ft (9.14 m)
Note: Maximum horizontal
distance is 50% of vertical
vent height.
Fire Risk
Explosion Risk
Insulation and other combustibles must not
infringe on clearances.
• ALWAYS maintain speci
fi
ed clearances
around venting and
fi
restop systems.
• Install
fi
restops as speci
fi
ed.
Failure to keep insulation or other material
away from vent pipe may cause
fi
re.
WARNING
Figure 5.3 Maximum Horizontal Run
¨