Planning Your Installation | Horizontal Installation - DuraVent DirectVent Pro Installation Instructions Manual

CEILING
FIRESTOP
ROUND CEILING
SUPPORT/WALL
THIMBLE COVER
PIPE
SECTION
PIPE
SECTION
Figure 3
rise on the building exterior.
PLANNING YOUR
INSTALLATION
There are two basic types of
DirectVent Pro installations. Check the
appliance manufacturer's installation
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of installations are permitted and
check for any venting restrictions
such as maximum horizontal run, and
minimum or maximum vertical rise.
6
VERTICAL The two types of installations are:
HIGH WIND
• Horizontal Termination (Figs. 1 and 2)
TERMINATION
CAP SHOWN
• Vertical Termination (Fig. 3)
When planning your installation,
it will be necessary to select the
STORM
COLLAR
proper length of vent pipe for
your particular requirements. For
horizontal installations, check the
ROOF
FLASHING
appliance manufacturer's installations
instructions to determine the
minimum clearance from the rear of
the appliance to the wall. It is also
important to note the wall thickness.
Select the amount of vertical rise
desired or required, for "vertical-to-
CATHEDRAL
CEILING
horizontal" installations (verify that it
SUPPORT BOX
is within the appliance manufacturer's
minimum and maximum limits). To
determine the length of vent pipe
required for vertical installations,
measure the distance from the
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APPLIANCE
ADAPTOR
the ceiling thickness, the vertical rise
in an attic or second story, and allow
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the attic, additional pipe and elbows
will be required.
HORIZONTAL INSTALLATION
Step 1. Set the gas appliance in its
desired location. Check to determine
if wall studs or roof rafters are in
the way once the venting system
is attached. If this is the case, you
may want to adjust the location of the
appliance.
Step 2. DirectVent Pro pipe and
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lock connections. To connect the
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