Owner`s manual

30794-0-0812Page 18
Vertical Terminations
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Determining Minimum Vent Height Above the Roof.
WARNING
Major U.S. building codes specify minimum chimney and/or
vent height above the roof top. These minimum heights are
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summarized in Figure 18.
LOWEST DISCHARGE OPENING
LISTED CAP
LISTED GAS VENT
H (MINIMUM)
MINIMUM HEIGHT FROM
ROOF TO LOWEST
DISCHARGE OPENING
12
X
ROOF PITCH IS X/12
ROOF PITCH
H (MINIMUM
FEET METER
)/$772 1.0 0.30
72 1.25 0.36
29(572 1.5 0.46
29(572 2.0 0.61
29(572 2.5 0.76
29(572 3.25 0.99
29(572 4.0 1.22
29(572 5.0 1.52
29(572 6.0 1.83
29(572 7.0 2.13
29(572 7.5 2.27
29(572 8.0 2.44
Figure 18
Figure 19
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PDLQWDLQPLQLPXPFOHDUDQFHVDVVKRZQLQFigure 19.
General Maintenance
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Installing the Vent System in a Chase
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Figure 20
CAUTION
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may vary with the type of building. These instructions are
not substitutes for the requirements of local building codes.
Therefore, your local building codes must be checked to
determine the requirements for these steps.
VERTICAL TERMINATION