Vent And Combustion Air Pipe Length [For Single Boiler Installations] - Riello Condexa PRO NA 75P Installation, Operation And Service Manual

INSTALLATION
2.13.4 Vent and combustion air pipe length [For
single boiler installations]
The maximum length for vent and combustion air pipes can be
found in the following table. Please note the equivalent length is
for the combined vent/combustion air pipe.
Single pipe
Condexa PRO NA 75 P
4" (100 mm) 100 ft (30 m)
5" (130 mm) 100 ft (30 m)
The maximum length in case of concentric vent/combustion:
Concentric pipe
Condexa PRO NA 75 P
4" / 6"(100
mm / 160 100 ft (30 m)
mm)
In the following tables are listed the equivalent length for CPVC
pipes:
1 ft (0.3m)
vent pipe
45° elbows
90° elbows
Condexa PRO NA 117 P
In the following tables are listed the equivalent length for PP pipes:
100 ft (30 m)
100 ft (30 m)
1 ft (0.3m)
vent pipe
1 ft (0.3m) flex
pipe
45° elbows
Condexa PRO NA 117 P
90° elbows
100 ft (30 m)
Tee
In the following tables are listed the equivalent length for con-
centric PP pipes:
1 ft (0.3m)
vent pipe
45° elbows
90° elbows
30
4" (100 mm) 5" (130 mm)
1 ft (0.3m) 1 ft (0.3m)
4 ft (1.2m) 5 ft (1.5m)
7 ft (2.1m) 10 ft (3m)
4"
(100 mm) (130 mm)
1 ft (0.3m) 1 ft (0.3m)
2 ft (0.6m) 2 ft (0.6m)
5 ft (1.5m) 6 ft (1.8m)
12 ft (3.7m) 14 ft (4.3m)
19 ft (5.8m) 21 ft (6.4m)
4" / 6"
(100 mm) / (150 mm)
2 ft (0.6m)
8 ft (2.4m)
14 ft (4.3m)
5"