Installation Instructions (cont'd)
3
ELBOW
EXAMPLE
MIN. RISEY¢'
PER FIVEFEET
MIN. RISEY;"
PER FIVEFEET
ALL MODELS (3" VENT)
See tables for max. length.
4'MiN.
157;'MIN. | 14"MIN. | MIN, RISE¼" |
|
| PERFIVEFEET |
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:
ALL MODELS- | VENTING | THROUGH | WALL |
3" DIA.VENT |
| NUMBER | OF 90 ° DEG. |
MAX. LENGTH | (FT.) | ELBOWS* | |
115 |
|
| I |
II0 |
|
| 2 |
105 |
|
| 3 |
100 |
|
| 4 |
95 |
|
| 5 |
9O |
|
| 6 |
ALL MODELS- VENTING THROUGH WALL
OPTIONAL 2°" VENT PIPING
2" DIA.VENT | NUMBER OF 90 ° DEG. |
MAX. LENGTH (FT.) | ELBOWS* |
5O | I |
45 | 2 |
4O | 3 |
35 | 4 |
3O | 5 |
25 | 6 |
*NOTE: Two 45 ° elbows are equivalent to one 90 ° elbow. One 90 ° elbow equals 5 feet of equivalent vent length.
_S'MAX.
MIN. RISEY;"
PERFIVE FEET
20' | ONE ELBOW |
(EXAMPLE) | EXAMPLE |
|
_l_ 3" VENT PIPE
EXAMPLE USING ONE ELBOW
WITH 3" VENT PIPE
2. Minimum vent length Gr all models is 4 feet.
19
