38
6 - COMBUSTION AIR AND VENT PIPING
A. Single Line System
System consisting of boilers arranged in line each connected to
common exhaust manifold.
3°
2 in. per 3 ft. 4 in.
(50.0 mm per 1.0 m)
B. Back to Back System
This system consists of boilers installed back to back
connected to a common exhaust manifold.
2 in. per 3 ft. 4 in.
(50.0 mm per 1.0 m)
3°
FIGURE 6-35
FIGURE 6-36
P/N 240011664, Rev. E [09/15/2017]
