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Installation Instructions (cont'd)
3
ELBOW
EXAMPLE
MIN. RISEY;"
PER FIVEFEET
MIN. RISEY¢'
PER FIVEFEET
ALL MODELS- VENTING THROUGH WALL
OPTIONAL 2°"VENT PIPING
2" DIA.VENT
MAX. LENGTH (FT.)
5O
45
4O
35
3O
25
NUMBER OF 90° DEG.
ELBOWS*
I
2
3
4
5
6
* NOTE: Two 45 ° elbows are equivalent to one 90 ° elbow.
One 90 ° elbow equals 5 feet of equivalent vent length.
ALL MODELS (3" VENT)
See tables for max. length.
4' MiN.
20'
(EXAMPLE)
_S'MAX.
MIN. RISEY;"
PERFIVE FEET
ONE ELBOW
EXAMPLE
157;'MIN. 14"MIN. MIN, RISE¼"
PERFIVEFEET
_l_ 3" VENT PIPE
EXAMPLE USING ONE ELBOW
WITH 3" VENT PIPE
1. The total vertical and horizontal vent run cannot exceed the
maximum length with the number of 90 ° elbows as specified
in the following tables. If more elbows are required, the vent-
ing distance must be reduced 5 feet for every 90 ° elbow:
2. Minimum vent length Gr all models is 4 feet.
ALL MODELS- VENTING THROUGH WALL
3" DIA.VENT
MAX. LENGTH (FT.)
115
II0
105
100
95
9O
NUMBER OF 90° DEG.
ELBOWS*
I
2
3
4
5
6
19