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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.
6.9 Securing Twin Pipe Polypropylene Venting
Example for Natalini venting system.
(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.
Slide male end of first pipe through open clamp so the shoulder of the female end of the pipe stops the clamp from sliding off
the pipe.
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.
Figure 6-14 - Natalini Clamp
NOTICE
UP
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240012485 REV C [06/30/2019]
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