Securing Twin Pipe Polypropylene Venting - UTICA BOILERS MAHF-100 Manual

!
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.
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.

5.9 Securing Twin Pipe Polypropylene Venting

Example for Natalini venting system. See figure 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.
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.
5 - COMBUSTION AIR AND VENT PIPING
Figure 5-11 - Natalini Clamp
UP
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240013371 REV B, [10/01/2021]