24
WARNING
Asphyxiation hazard! Improper installation could
result in death or serious injury. Read Twin
Pipe Installation Instructions completely and
understand all requirements before beginning
installation.
!
Example for Natalini venting system. See gure 5-11
(For other venting system suppliers see their
instructions.)
1.
Place clamp so etched "UP" is facing up.
2.
Open clamp slightly by separating circular areas
from each other.
3.
the shoulder of the female end of the pipe stops the
4.
Insert the male end of the second pipe into the
clamp on the "up" etched side. Force the two pipes
together.
5.
Verify the two pipes are secure together with clamp
in place.
5.9 Securing Twin Pipe Polypropylene Venting
Figure 5-11 - Natalini Clamp
UP
UP
UP
NOTICE
Venting manufacturer's use a device to secure
single wall twin pipe polypropylene vent pieces
to each other. Proper application of the securing
mechanism is necessary for any use of twin pipe
polypropylene venting on exhaust or air intake.
Securing mechanism is for indoor use only and
should not be used in outdoor applications.
Follow venting manufacturer’s instructions for
applying the securing mechanism on twin pipe
polypropylene venting.
5 - COMBUSTION AIR AND VENT PIPING
240013375 REV A, [07/01/2021]
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