BORETTI CFBG902AN3 Instruction On Mounting And Use Manual page 61

Periodical checks and replacement
The gas connection pipe must be checked at least annually to ensure that
there is no visible deterioration. The hose must be replaced no later than the
replacement date indicated.
Important:
Take the precaution of using
two keys when screwing up
the components.
(fig. 9.4).
After connecting the gas, use a
soapy solution to check that the
connections are sealed tight, and
never use an open flame.
Attention!
In Belgium, in accordance with Belgian standards NBN D 51-003 and
NBN D 51-006, the type of connection with elastomer hose is prohibited
for cookers installed inside buildings
Fig. 9.4
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