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6 Installation
6.5.4
Flue gas tower and coaxial pipes fastened using screws
Fasten the intake pipes with two galvanised Ø 4.2 mm screws with a maximum length of 16 mm.
Important
If you purchase products not produced by the manufacturer, we recommend purchasing screws of a similar length
and size.
Important
Before fixing the screws, make sure that at least 4.5 cm of pipe is inserted in the gasket of the other pipe.
Warning
Guarantee a minimum pipe slope towards the boiler of at least 5 cm per metre.
Fig.113
Coaxial flue gas tower fastening
172
INIDENS
18 mm
BO-0000280
BO-0000233
7804841 - 02 - 20012022