Heatilator NB3630M Owner's Manual page 14

WARNING
Fire Risk
Explosion Risk
Insulation and other combustibles must not
infringe on clearances.
• ALWAYS maintain specifi ed clearances
around venting and fi restop systems.
• Install fi restops as specifi ed.
Failure to keep insulation or other material
away from vent pipe may cause fi re.
Maximum
horizontal
30 ft (9.14 m)
45°
Elbow
90°
Elbow
Figure 5.3 Maximum Horizontal Run
14
Offsets exceeding
45° adapt horizontal
limitations
Note: Maximum horizontal
distance is 50% of vertical
vent height.
Heatilator • Novus BV-Mesh • 4031-553 Rev F • 11/07