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The width of any hob must not be greater than the width of the

extractor installed above it.

Ducting and ventilation

For best performance and lowest noise output, we recommend the

use of 150mm ducting. You can also use 120mm ducting but this will

reduce performance. In general, the less ducting you use (i.e. distance

and bends) the more ecient your extractor will be.

The lengths of ducting with minimal eect on performance are as

follows:

• 4 metres with 1 x 90° bend.

• 3 metres with 2 x 90° bends.

• 2 metres with 3 x 90° bends.

Longer ducting can be used but the performance of the extractor will

likely be reduced.

Please note: Ducting components and ducting kits are optional

accessories and have to be ordered, they are not automatically

supplied with the hood. Use of ducting less than 150mm in diameter

will aect performance and increase the noise produced by the

extractor.

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