elco THISION L Eco 100, System Manual, Page: 6 / 33

Page 6 of 33
1.5
Available flue systems per boiler
Concentric Flue (mm)
Plastic Single Pipe Flue (PPs) (mm)
Thision S Plus 80/125 100/150 Thision S Plus 80 100 110 125 130
34
 
34
 
46
 
46
 
54
 
54
 
Thision L Evo 80/125 100/150 Thision L Evo 80 100 110 125 130
60
 
60
 
70
 
70
  
80
 
80
  
100

100
   
120

120
   
140 140
  
Thision L Eco 80/125 100/150 Thision L Eco 80 100 110 125 130
70

70

100

100

120

120

2. Design and sizing information
2.1 Boiler maximum flue lengths
Thision S Plus
Maximum length in metres for concentric room sealed installations
80/125 100/150
Changes of
direction
0 2 3 4 0 2 3 4
34 25 13.6 7.9 2.2 40 34.2 31.3 28.4
46 12 30 19.4 14.1 8.8
54 11 30 15.4 8.1 0.8
Maximum length in metres for single pipe open or room sealed installations
80mm 100mm
Changes of
direction
0 2 3 4 0 2 3 4
34 30 22 18 14 80 77.1 75.7 74.3
46 12 55 49.9 47.3 44.7
54 11 50 42.9 39.3 35.8