Indoor Air Combustion Air Intake - IBC VX Series Installation & Operating Manual

Figure 29 Approved PVC Side Wall Termination configuration

3.7.7 Indoor air combustion air intake

An "Indoor Combustion Air installation" can be described as air for combustion that is taken from the
air surrounding the boiler.
Warning
When using indoor air options, supply adequate combustion air to the boiler room
according to the requirements of all applicable codes.
Flue gas exhaust to outdoors
Combustion air from boiler room. For indoor air installation, check air intake and boiler
room combustion air opening(s) to ensure they are clear of obstructions.
Figure 30 Indoor combustion air intake
3.7.7 Indoor air combustion air intake
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