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Initial Installation
QUALIFIED INSTALLERS ONLY
HORIZONTAL INSTALLATION:
STEP 1. Set the appliance in the desired location. Check to determine if wall studs or roof rafters are
in the way when the venting system is attached. If this is the case, you may want to adjust the
location of the appliance.
STEP 2. Direct vent pipe and ttings are designed with special twist-lock connections. Assemble the
desired combination of black pipe and elbows to the appliance adapter with pipe seams oriented
towards the wall or oor, as much out of view as possible.
Place a bead of Mil-Pac on the outer edge of the inner exhaust pipe (non-ared end). Place a
bead of high temperature silicone on the male edge of the outer pipe. Push the pipe sections
completely together, then twist-lock one section clockwise approximately turn, until the two
sections are fully locked. The female locking lugs will not be visible from the outside, on black
Sealant
Female
Locking
Lugs
Male
Locking
Lugs
Figure 16: Twist-Lock Connection
Woodscrews
Wall Thimble
Strap
Sheet metal
screws
Fold strap
here
1
1
/4"
(3.2cm)
Figure 18: Installing Decorative Wall Thimble.
10"
(254mm)
10"
(254mm)
Figure 17: Wall Framing Hole for
Horizontal Installation.
16
pipe. They may be located by examining the inside of the
female ends as shown in Figure 16.
Notes:
(1) Twist-lock procedure:
four (4) indentations,
located on the female end
of the pipes and ttings, are
designed to slide straight
onto the male ends of
adjacent pipes and ttings,
by orienting the four pipe
indentations so they match
and slide into the four entry
slots on the male end.
(2) Horizontal runs of vent
pipe must be supported