11
6-563.7
InsTAllATIon - venTIng
figure 11.1 - Horizontal 2-Pipe vent system
Combustion
Air Inlet Pipe
Vent Pipe
Combustion
Air Inlet Pipe
Vent Pipe
9" Minimum from
wall to Vent
Terminal opening
18" Minimum from
Vent Terminal to
Combustion Air Inlet
Terminal opening
18" Minimum from
Vent Terminal to
Combustion Air Inlet
Terminal opening
24" Minimum to
adjacent wall or
building
9" Minimum from
wall to Vent
Terminal opening
24" Minimum to
adjacent wall or
building
The center-line of the
combustion air inlet pipe
must be within the shaded area
Termination Screens
(refer to Notes
C6 and C8)
The center-line of the
combustion air inlet pipe
must be within the shaded area
Termination Screens
(refer to Notes
C6 and C8)
x 2 (both ends of tee)
45°
24" Maximum
42" Maximum
6" Minimum
42" Maximum
24" Maximum
6" Minimum
model sIzes 55 THrougH 215 & 310
model sIze 260