If the instructions provided with your gas hob state that the required
distance between the hob and the extractor must be greater than
700mm, then that is the distance which should be observed. This is
a legal requirement and may lead to your hob being disconnected
from the gas supply and the installation reported to RIDDOR (the
height should be measured from the top of the burners).
When the extractor is to be installed above a gas hob, the minimum
distance between the hob and extractor must exceed 700mm
(7500mm is recommended).
The width of any hob must not be greater than the width of the extractor
installed above it
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F
Installation
When the extractor is to be installed above an electric hob, the
minimum distance between the hob and extractor must exceed
600mm (650mm is recommended).
IN THE ABSENCE OF ANY INSTRUCTIONS SUPPLIED WITH THE
GAS HOB, THE MINIMUM DISTANCE BETWEEN THE HOB AND
EXTRACTOR MUST BE AT LEAST 760mm.
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