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Heat & Glo • Crescent II • 2083-902 Rev. G • 9/05
23
D. Installing Roof Flashing and
Vertical Termination Cap
To install roof flashing 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 flue of the pipe section and place
the outer collar of the cap over the outer flue of the pipe
section.
Secure with three screws into the outer flue. 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 flue
of the pipe (see Figure 8.14).
Roof Pitch H (Min.) Ft.
Flat to 6/12...................................... 1.0*
6/12 to 7/12 .................................. 1.25*
Over 7/12 to 8/12 ........................... 1.5*
Over 8/12 to 9/12 ........................... 2.0*
Over 9/12 to 10/12 .......................... 2.5
Over 10/12 to 11/12 ...................... 3.25
Over 11/12 to 12/12 ........................ 4.0
Over 12/12 to 14/12........................ 5.0
Over 14/12 to 16/12........................ 6.0
Over 16/12 to 18/12........................ 7.0
Over 18/12 to 20/12........................ 7.5
Over 20/12 to 21/12........................ 8.0
Figure 8.13 Minimum Height from Roof to
Lowest Discharge Opening
* 3 foot minimum in snow regions
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
HORIZONTAL
OVERHANG
V
ERTICAL
WALL
TERMINATION
CAP
12
X
ROOF PITCH
IS X/ 12
LOWEST
DISCHARGE
OPENING
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
2 FT.
MIN.
20 INCHES
Figure 8.14 Termination Cap - DVP-TVHW
SCREWS
CAULK
STORM
COLLAR
(1 of 3)
TERMINATION CAP