Snorkels - DuraVent DirectVent Pro Installation Instructions Manual

or Counter Flashing is available.
Step 5. Before connecting your
horizontal Pipe Sections to the
Horizontal Termination Cap, slide the
Wall Thimble Cover over the Pipe
Section nearest the interior side of wall
(Fig. 8)
Step 6. Slide the appliance and vent
assembly towards the wall, carefully
inserting the Pipe Section into the cap
assembly. It is important that the Pipe
Section extends into the back of the
Termination Cap with a minimum overlap
of 1-1/4 inches. Use the two sheet metal
screws provided to secure the Pipe
Section to the back of the Termination
Cap. The Wall Thimble Cover will cover
the screw heads (Fig. 8).
If non-combustible insulation is approved
by the appliance manufacturer, wrap the
pipe section within the wall passthrough
with a blanket of non-combustible
insulation. Smaller chunks of insulation
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passthrough.
Step 7. Slide the Wall Thimble Cover
up to the wall surface and attach to
the wall with screws provided (Fig. 9).
Apply optional decorative brass trim to
Wall Thimble Cover, if desired.

SNORKELS

For installations requiring a vertical
rise on the exterior of the building,
14-inch and 36-inch tall Snorkel
Terminations are available (Fig. 10).
Follow the same general installation
procedures as used for a standard
Horizontal Termination. The standard
Wall Thimble or Wall Firestop can
be used with the Snorkel, but the
exterior plate will overhang the edges
10
of the Snorkel. However, a universal
Wall Thimble is available for use
with the Snorkel that is not visible
on the exterior of the building (46 or
58DVA-WTU). To install the Universal
Wall Thimble, insert the thimble from
the interior of the house and adjust
OPTIONAL DVA-WTU
ADJUST AND SECURE
TELESCOPING THIMBLE
SLEEVES WITH SCREWS
Figure 10
WALL
THIMBLE
COVER
Figure 11
the length of the tube to ensure it
touches the backside of the Snorkel
when installed (Fig. 10). Secure the
tube in place using 2 sheet metal
screws. Mount the Wall Thimble
in place. Attach the Snorkel to the
wall using wood screws or other
appropriate fasteners, depending
on wall construction. If the Snorkel
Termination must be installed below
grade level, (e.g. in a basement
application), proper drainage must
be provided to prevent water from
SNORKEL
12" MINIMUM
SNORKEL
12" MINIMUM
ADEQUATE
DRAINAGE