8
Mounting your Extractor
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).
When the extractor is to be installed above a gas hob, the minimum
distance between the hob and extractor must exceed 700mm (750mm is
recommended).
If the instructions provided with your gas hob state that the required
distance between the hob and extractor must be greater than 700mm,
then that is the distance that should be observed; this is a legal requirement
and may lead to your hob being disconnected from the gas supply and the
installation being reported to RIDDOR (The height should be measured
from the top of the burners).
IN THE ABSENCE OF ANY INSTRUCTIONS SUPPLIED WITH THE
GAS HOB, THE MINIMUM DISTANCE BETWEEN THE HOB AND
EXTRACTOR MUST BE AT LEAST 760mm.
The width of any hob must not be greater than the width of the extractor
installed above it. Fig. 5.
Ducting and Ventilation
For best performance and lowest noise output, we recommend the use of
125mm or 150mm ducting. You can also use 100mm ducting but this will
reduce performance.
Fig. 5
Gas: 750mm recommended.
Electric: 650mm recommended.
Gas: 750mm recommended.
Electric: 650mm recommended.
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