Heatilator • CNXT Series • 4000-011 Rev N • 11/05
31
D. Install Roof Flashing and Vertical Termina-
tion Cap
To install roof fl ashing see Figure 8.13.
For installation of vertical termination cap see minimum vent
heights for various pitched roofs (see Figure 8.13) .
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 driv-
ing 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 Fig-
ure 8.14).
E. Assemble and Install Storm Collar
Connect both halves of the storm collar with two screws (see
Figure 8.15).
Wrap the storm collar around the exposed pipe section and
align brackets. Insert a bolt (provided) through the brackets
and tighten the nut to complete the storm collar assembly.
Make sure the collar is tight against the pipe section. See
Figure 8.16.
Slide the assembled storm collar down the pipe section until
it rests on the roof fl ashing (see Figure 8.13).
Caulk around the top of the storm collar (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
Sharp Edges!
• Wear protective gloves and safety
glasses during installation.
CAUTION
Storm
Collar
Termination Cap
(1 of three)
Caulk
Screws
Brackets/
Bolts
Figure 8.14 Secure with Screws
Figure 8.16 Assembling the Storm Collar Around the
Pipe
Figure 8.15 Assembling the Storm Collar