Install Instructions
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IV. Venting C. Polypropylene Venting
C. Polypropylene Venting
WARNING
Asphyxiation Hazard. Follow these instructions and the installation instructions included by the listed
polypropylene venting component manufacturers, whichever applicable. Failure to do so could cause
products of combustion to enter the building, resulting in severe property damage, personal injury or
death. Where a conict arises between a manufacturer instructions and these instructions, the more
restrictive instructions shall govern.
Do not mix vent components or joining methods for listed manufacturers.
Examine all components for possible shipping damage prior to installation.
All condensate that forms in the vent must be able to drain back to the boiler.
NOTICE
Do not exceed maximum vent/combustion air system length. Refer to “2. Vent/Combustion Air Piping”
under “A. General Guidelines” of this section for maximum vent/combustion air system length.
Use only vent and combustion air terminals and terminal locations shown in “3. Vent/Combustion Air
Terminals” under “A. General Guidelines” of this section.
Figure 14: Vent System Field Modication to Install
PVC to PP Adapter (M&G/DuraVent shown)
Figure 15: Field Installation Procedure to Accept
Polypropylene Vent Piping - Wall Mounted Boiler