VENTING WITH TWO (2) 90o ELBOWS | NATURAL GAS | ||
V (MIN.) |
| H + H1 (MAX.) | |
90o Elbow on Top | 2 FT (610mm) | ||
1 FT (305mm) |
| 3 FT (914mm) | |
2 FT (610mm) |
| 4 FT (1.22m) | |
3 FT (914mm) |
| 6 FT (1.86m) | |
4 FT (1.22m) |
| 8 FT (2.48m) | |
5 FT (1.52m) |
| 16 FT (4.8m) | |
H + H1 MAX. = 16 FT (4.8m) | V + H + H1 | MAX. = 40 FT (12.2m) | |
VENTING WITH TWO (2) 90o ELBOWS | PROPANE | |
V (MIN.) | H + H1 (MAX.) | |
90o Elbow on Top | NOT ALLOWED | |
1 FT (305mm) | 2 FT (610mm) |
|
2 FT (610mm) | 4 FT (1.22m) |
|
3 FT (914mm) | 6 FT (1.86m) |
|
4 FT (1.22m) | 8 FT (2.48m) |
|
5 FT (1.52m) | 16 FT (4.8m) |
|
H + H1 MAX. = 16 FT (4.8m) | V + H + H1 MAX. = 40 FT (12.2m) | |
H1
H
Note: There MUST be a 25% reduction in total H when using flex vent, except when using the simple up and out installation (see Figure 9).
Use SL D-Series components only.
Figure 15. Venting with Two 90° Elbows
V
20