TEMPRA 30
15
3.03.4 Maximum concentric fl ue length
First table below shows the maximum fl ue lengths available for boilers with concentric systems.
For correct calculation remember to include the reduction for bends on second table. Please refer to
3.03 for use of restrictor
Maximum flue lenght
permissible
100 m concentric
Direct back exit
125 mm concentric
Vertical
Horizontal
Vertical
Horizontal
Tempra 30
4 m
3 m
1 m
(no bend allowed)
5 m
5 m
Reduction for bend
100 mm concentric bend 90
°
1 m
100 mm concentric bend 45
°
0,5 m
125 mm concentric bend 90
°
0,5 m
125 mm concentric bend 45
°
0,25 m
*For horizontal Flueing the reduction for appliance bend or turret are already included.
max. 3 m
concentric
100/60
max. 4 m
concentric
100/60
Fig. 15a
Fig. 15b
3.03.3 Direct concentric back exit
Boiler could be converted for direct back exit as showed on
picture 14.
A special kit is necessary for connecting the rear concentric pipe.
Conversion procedure and installation instrucions are inserted into
the kit.
Fig. 14