30
Heatilator • ICON DV-IDV Series • 4042-575 Rev G • 09/07
Figure 8.15 Secure with Screws
D. Install Roof Flashing and Vertical Termination Cap
To attach the vertical termination cap, slide the inner collar
of the cap into the inner
fl
ue of the pipe section and place
the outer collar of the cap over the outer
fl
ue of the pipe
section.
Secure with three screws into the outer
fl
ue. Secure the cap
by driving the three self-tapping screws (supplied) through
the pilot holes in the outer collar of the cap into the outer
fl
ue
of the pipe (see Figure 8.14).
Horizontal
overhang
12
X
20 in.
(508 mm)
Lowest
Discharge
Opening
Termination
Cap
Roof Pitch
is X / 12
Vertical
wall
H (min.) - Minimum height
from roof to lowest
discharge opening.
24 in. min.
(610 mm)
Roof Pitch
H (Min.) Ft.
Roof Pitch
H (Min.) Ft.
Flat to 6/12
1.0*
Over 11/12 to 12/12
4.0
Over 6/12 to 7/12
1.25*
Over 12/12 to 14/12
5.0
Over 7/12 to 8/12
1.5*
Over 14/12 to 16/12
6.0
Over 8/12 to 9/12
2.0*
Over 16/12 to 18/12
7.0
Over 9/12 to 10/12
2.5
Over 18/12 to 20/12
7.5
Over 10/12 to 11/12 3.25
Over 20/12 to 21/12
8.0
* 3 ft. minimum in snow regions
Storm Collar
Roof
Flashing
Figure 8.13 Minimum Height from Roof to Lowest Discharge Opening
To install roof
fl
ashing see Figures 8.13 and 8.14.
For installation of vertical termination cap see minimum vent
heights for various pitched roofs (Figure 8.13) .
Fire Risk
Explosion Risk
Inspect external vent cap regularly.
• Ensure no debris blocks cap.
• Combustible materials blocking cap may
ignite.
• Restricted air flow affects burner
operation.
WARNING
Storm
Collar
Termination Cap
(1 of three)
Caulk
Screws
Brackets/
Bolts
Caulk the gap between the roof
fl
ashing and the outside di-
ameter of the pipe. Caulk the perimeter of the
fl
ashing where
it contacts the roof surface. See Figure 4.4.
Caulk
Pipe
Flashing
Figure 8.14 Caulk the Gap
¨
