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P a g e
APPROVED VENT SYSTEMS
Figure 10: Vent Systems
QUICK REFERENCE CHART
ZERO VERTICAL
HORIZONTAL TERMINATION
VERTICAL RISE
HORIZONTAL TERMINATION
ZERO VERTICAL
DUAL 90° ELBOWS
VERTICAL TERMINATION
VERTICAL RISE
DUAL 90° ELBOWS
VERTICAL TERMINATION
VERTICAL RISE
DUAL 90° ELBOWS
HORIZONTAL TERMINATION
VERTICAL RISE
TRIPLE 90° ELBOWS
HORIZONTAL TERMINATION
VERTICAL RISE
TRIPLE 90° ELBOWS
VERTICAL TERMINATION
THREE HORIZONTAL DISCHARGE
90° ELBOWS
APPROVED w/ RESTRICTIONS
STRAIGHT UP,
VERTICAL VENTING
NOT ALLOWED
APPROVED
H
H
H
H
H1
H1
H1
V
V
V2
V1
V2
V1
V2
H2
V1
H2
V
H2
APPROVED
APPROVED
APPROVED
APPROVED
APPROVED
APPROVED
40 FEET
MAXIMUM
APPROVED