VENTING WITH TWO (2) 90o ELBOWS | NATURAL GAS | ||
| MODEL: | MODELS: | |
V (MIN.) | H (MAX.) | H (MAX.) |
|
90o Elbow on Top | 2.5 FT (762mm) | 2 FT (610mm) | |
1 FT (305mm) | 3 FT (914mm) | 3 FT (914mm) | |
2 FT (610mm) | 4 FT (1.22m) | 4 FT (1.22m) | |
3 FT (914mm) | 6 FT (1.86m) | 6 FT (1.86m) | |
4 FT (1.22m) | 8 FT (2.48m) | 8 FT (2.48m) | |
5 FT (1.52m) | 16 FT (4.8m) | 16 FT (4.8m) |
H MAX. = 16 FT (4.8m) | V + V1 + H MAX. = 40 FT (12.2m) | ||
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VENTING WITH TWO (2) 90o ELBOWS | PROPANE | ||
MODELS: | |||
V (MIN.) |
| H (MAX.) |
|
90o Elbow on Top | NOTALLOWED | ||
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 MAX. = 16 FT (4.8m) | V + V1 + H MAX. = 40 FT (12.2m) | ||
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H
V1
V
NOTE: There MUST be a 25% reduction in total H when using flex vent except when using the simple up and out installa- tion (see Figure 9).
Use SL
Figure 16. Venting with Two 90° Elbows
Heat & Glo • | 27 |