28
E. Vent and Combuson Air Terminals
VII(continued)
NOTICE NOTICE
Methods of securing and sealing terminals to
the outside wall must not restrain the thermal
expansion of the vent pipe.
Exterior run to be included in equivalent vent/
combustion air lengths.
Vertical Venting and combustion air roof
penetrations (where applicable) require the
are not supplied with appliance, to prevent
moisture from entering the structure.
Examine all components for possible shipping
damage prior to installation.
All condensate that forms in vent must be able
to drain back to the Heat exchanger.
The venting system must be free to expand and
contract and must be supported in accordance
with installation instructions included by the
original component manufacturers, whenever
applicable. Polypropylene pipe sections must
be disengaged 1/4 to 5/8 in. (6 mm to 16 mm)
per joint to allow for thermal expansion.
WARNINGWARNING
CAUTIONCAUTION
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