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TERMINATION POSITIONS APPLIANCES OVER 70kW NET INPUT
SEE IGEM 10 FOR FURTHER DETAILS
1, 3 & 6 Minimum Height of Termination Located on a roof
70kW 80kW 100kW 120kW 150kW 200kW 240kW 300kW
Natural Draught 600mm 615mm 645mm 676mm 722mm 798mm 859mm 950mm
For other natural draught appliances use Distance = 1.5225 (net heat input kW) + 493.43
Fanned Draught 300mm 327mm 380mm 433mm 513mm 646mm 753mm 913mm
For other fan draught appliances use Distance = 2.6644 (net heat input kW) +113.49
For all sloped roofs over 20 degree pitch the terminal must be 1.5m away
If the flue termination is within 2.5m of an adjacent structure then these heights above the structure will apply
2 Minimum Horizontal Termination To Openings Into Buildings (side or above)
70kW 80kW 100kW 120kW 150kW 200kW 240kW 300kW
Open Flue and
Fanned Draught
1500mm 1600mm 1790mm 1975mm 2265mm 2740mm 3120mm 3690mm
For other open flue fan draught inputs use Distance = 9.5156 x (net heat input) + 833.91
Room Sealed
Fanned Draught
600mm 675mm 820mm 960mm 1180mm 1540mm 1830mm 2265mm
For other room sealed fan draught inputs use Distance = 7.232 x (net heat input) + 93.708
The minimum distance below in all cases is 2500mm
10 Room Sealed Fanned Draught Minimum Horizontal Termination To Opposing Walls/Terminals
70kW 80kW 100kW 120kW 150kW 200kW 240kW 300kW
Opposing Flat
Surface
1000mm 1231mm 1694mm 2156mm 2850mm 4006mm 4931mm 6319mm
For other inputs use Distance = 23.126 x (net heat input) – 618.84
Opposing Terminal 600mm 675mm 820mm 960mm 1180mm 1540mm 1830mm 2265mm
For other inputs use Distance = 19.32 x (net heat input) + 647.59