Smeg SNL34AX1 - Manual (Page 5)

Instructions for the installer
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Bracket ‘A’ in the 1st slot Bracket ‘A’ in the 2nd slot
Bracket ‘B’
2.2 Fixing 90 cm hobs on 60 cm base unit
If a 90 cm hob is to be bracketed to a 60 cm base unit, 2 central
brackets “A” have to be used in addition to the side brackets “B” as
shown in the drawing below. The gas connection also has to be turned
through 90° in relation to the original position(see paragraph 4 GAS
CONNECTION).