Heat & Glo Infinity Owner's Manual page 11

2 FT.
2 FEET MIN.
MIN.
LOWEST
DISCHARGE
OPENING
GAS DIRECT VENT
TERMINATION CAP
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Roof Pitch
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
* 3 foot minimum in snow regions
Figure 4.2 Minimum height from roof to lowest discharge
opening
HORIZONTAL
OVERHANG
VERTICAL
WALL
X
12
ROOF PITCH
IS X/ 12
H (Min.) Ft.
Heat & Glo • Infi nity • 2003-900 Rev. N • 2/10
Figure 4.2 specifi es minimum vent heights for various
pitched roofs.
A
6 in. (minimum) up to 20 in.
152 mm/508 mm
20 in. and over
Gas, Wood or Fuel Oil
Termination Cap
B
Gas
Termination
Cap **
* If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
** In a staggered installation with both gas and wood terminations, the
wood termination cap must be higher than the gas termination cap.
Figure 4.3 Multiple Vertical Termination
B
18 in. minimum
457 mm
0 in. minimum
A*
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