Technical data

29
Table of Atmos 80/125mm concentric flue equivalent lengths
Maximum equivalent concentric length allowed is 27 metres (Note: Incl
udes an allowance for the
terminal; ie the terminal can be ignored from the equivalent length)
80/125mm concentric components
Equivalent concentric length (M)
Remarks
45
0
bend
1.5
87
0
bend
3.0
5.5.5 Twin-pipe connection
1. Fit the flue pipe to the middle connection on the boiler and fit the air intake pipe
to either the left hand or the right hand connection on the boiler. The in-built
silicone sealing rings provide airtight connection.
2. When using the right-hand air intake, the sealing cap must be used to cap off
the left-hand air intake.
80
/125
mm
Concentric
extension for
balcony outlet
When the free outlet is hindered by an eave, balcony,
gallery or anything else, the concentric terminal must
be extended to at least the front side of the
overhanging part (see diagram).