EN
W415-1367 / B / 01.09.19
11
venting
24" (610mm)
MIN.
MINIMUM
VERITICAL
MAXIMUM
HORIZONTAL
5' (1.5m) MAX.
15'
(4.5m)
MAX.
MAXIMUM
VERTICAL
19 1/2'
(6m)
MAX.
4"
(102mm)
MIN.
4"
(102mm)
MIN.
24" (610mm)
MIN.
MINIMUM
VERITICAL
MAXIMUM
HORIZONTAL
5' (1.5m) MAX.
15'
(4.5m)
MAX.
MAXIMUM
VERTICAL
19 1/2'
(6m)
MAX.
4"
(102mm)
MIN.
4"
(102mm)
MIN.
24" (610mm)
MIN.
MINIMUM
VERITICAL
MAXIMUM
HORIZONTAL
5' (1.5m) MAX.
15'
(4.5m)
MAX.
MAXIMUM
VERTICAL
19 1/2'
(6m)
MAX.
4"
(102mm)
MIN.
4"
(102mm)
MIN.
MIN
MAX
Allowable 3/5 vent connections (excluding appliance and air
terminal connections)
N/A
2
Rise per foot (recommended)
1/4" (6.3mm)
N/A
Rise per foot (allowable)
0"
N/A
Vertical run (when not venting horizontally)
24" (610mm)
19 1/2' (6m)
Horizontal run
4" (102mm)
5' (1.5m)
0
1 2 3 4 5 6 7 8 9 10
20
HORIZONTAL VENT RUN PLUS OFFSET IN FEET (
H
T
)
REQUIRED
VERTICAL
RISE IN
FEET (
V
T
)
18
16
14
12
10
8
6
4
2
19.5
15
See graph to determine the required vertical rise
V
T
for the required horizontal rise
H
T
.
2.5 vertical termination
Any offsets other than 1-90° elbows used in the vent run - must be deducted from the maximum vertical
vent run based upon the offset value.