VENTING WITH THREE (3) 90o ELBOWS | NATURAL GAS | |
V (MIN.) | H (MAX.) | H + H1(MAX.) |
90o Elbow on Top | 2 FT (610mm) | 4 FT (1.22m) |
1 FT (305mm) | 3 FT (914mm) | 6 FT (1.86m) |
2 FT (610mm) | 4 FT (1.22m) | 8 FT (2.48m) |
3 FT (914mm) | 6 FT (1.86m) | 12 FT (3.72m) |
4 FT (1.22m) | 8 FT (2.48m) | 16 FT (4.8m) |
5 FT (1.52m) | 16 FT (4.8m) | 16 FT (4.8m) |
V + H + V1 + H1 MAX. = 40 FT (12.2m) | ||
VENTING WITH THREE (3) 90o ELBOWS | PROPANE | ||
V (MIN.) | H (MAX.) | H + H1(MAX.) | |
90o Elbow on Top | NOT ALLOWED | NOT ALLOWED | |
1 FT (305mm) | 2 FT (610mm) | 4 FT (1.22m) | |
2 FT (610mm) | 4 FT (1.22m) | 8 FT (2.48m) | |
3 FT (914mm) | 6 FT (1.86m) | 12 FT (3.72m) | |
4 FT (1.22m) | 8 FT (2.48m) | 16 FT (4.8m) | |
5 FT (1.52m) | 16 FT (4.8m) | 16 FT (4.8m) | |
V + H + V1 + H1 MAX. = 40 FT (12.2m) | |||
H
H1
V1
Use SL D-Series components only.
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).
Figure 18. Venting with three 90° elbows
V
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