H1
V2
H
V
VENTING WITH FOUR (4) 90° ELBOWS
NATURAL AND PROPANE GAS
V (MIN.) | H (MAX.) | V1 (MIN.) | H1 (MAX.) | V2 (MIN.) |
2' (609mm) | 5' (1.52m) | 5' (1.52m) | 5' (1.52m) | 4.5' (1.37m) |
V + V1 + V2 + H + H1 MAX. = 40' (12.2m)
V1
Use SL
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).
Figure 20. Venting with Four 90° elbows
Heat & Glo • | 31 |