0020308120_02 Air/flue pipe installation manual 41
– Shorten the flue pipe and external pipe at the side
facing away from the sleeve. The spacer must re-
main locked on the flue pipe.
3. Slide the flue pipe back into the external pipe.
1 External wall pipe
bracket
2 Clamp
Warning.
Risk of injury due to falling parts.
The external pipe of the extension that can
be shortened does not have a bead on the
underside. The clamp cannot stabilise the
pipework system.
▶ Install an additional external wall pipe
bracket so that the system cannot be dis-
connected and become loose as a result
of the wind load.
4. Install an additional external wall pipe bracket directly
above the extension that can be shortened.