Hearth & Home Technologies CFX-Crescent 사용자 설명서
Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07
26
Roof Pitch
H (min.) ft.
flat to 6/12
1.0
over 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 19. Minimum Height from Roof to
Lowest Discharge Opening
Lowest Discharge Opening
To seal the roof hole, and to divert rain and snow
from the vent system:
from the vent system:
• Attach a flashing to the roof using nails, and use
a non-hardening mastic around the edges of the
flashing base where it meets the roof.
flashing base where it meets the roof.
• Attach a storm collar over the flashing joint to
form a water-tight seal. Place non-hardening
mastic around the joint, between the storm collar
and the vertical pipe.
mastic around the joint, between the storm collar
and the vertical pipe.
• Slide the termination cap over the end of the vent
pipe and rotate the pipe clockwise 1/4 turn.
1. Attach the flashing
and apply sealant
around the edges of
the flashing base.
around the edges of
the flashing base.
2. Attach the storm
collar over the flash-
ing joint and apply
sealant between the
storm collar and
vertical pipe.
ing joint and apply
sealant between the
storm collar and
vertical pipe.
HORIZONTAL
OVERHANG
VERTICAL
WALL
TERMINATION
CAP
12
X
ROOF PITCH
IS X/ 12
LOWEST
DISCHARGE
OPENING
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
TO LOWEST DISCHARGE OPENING
2 FT.
MIN.
MIN.
2 FT. MIN.