IBC Sl Series Installation & Operating Manual page 39

Figure 26 Pipes extend completely through the wall (Vertical orientation shown)
Ensure that the vent termination location does not exceed the allowed maximum
equivalent vent length, including the allowance for the SST.
Install multiple vent SST installations level with one another and maintain at least the
minimum separation distances shown below. The terminals shall not be stacked vertically.
Figure 27 : Minimum separation for multiple vent
installation - vertical orientation
Caution
Take care installing Concentric Side Wall Termination kits when the outdoor
temperature drops below 5°F/-15°C. Possible blockage of the combustion air intake
can occur when the outdoor temperature drops below this temperature.
Approved PVC Side Wall Termination kits are listed below:
Ipex # 196984 2 inch
Ipex # 196985 3 inch
Figure 29 Approved PVC Side Wall Termination configuration
Figure 28 : Minimum separations for multiple vent
installation - horizontal orientation
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3.7.6 Sidewall vent termination