Modine Manufacturing PTC Installation And Service Manual page 11

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