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4 4
Termination Locations
A. Vent Termination Minimum Clearances
WARNING
Fire Risk
Explosion Risk
Inspect external vent cap regularly.
•
Ensure no debris blocks cap.
•
Combustible materials blocking cap may
ignite.
•
restricted air flow affects burner
operation.
WARNING
Fire Risk
Explosion Risk
Maintain vent clearance to combustibles as
specifi ed.
•
Do not pack air space with insulation or
other materials.
Failure to keep insulation or other materials
away from vent pipe may cause fi re.
Heatilator • Caliber Mesh CD Series-SIT Valve • 4040-849 Rev H • 11/07
Measure vertical clearances from this surface
Measure horizontal clearances from this surface.
(see Figure 4.4 for specifi c clearances)
Figure 4.1
Clearances from Cap Surfaces
11
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