On 21/11/2020 14:30, alan_m wrote:

On 21/11/2020 11:34, Chris Green wrote:


Aside from the above conflict and how to sort it out what are the
rules (if any specific ones apply) about gas hob installations?

Isn't this two separate unrelated problems?

Not totally...

A lack of ventilation for the gas hob installation (with or without a
extractor)

The presence of an extract device may inroduce additional ventilation
requirements in some cases.

Th extractor fitted too low. Which can easily be verified by looking at
the manufacturers installation instructions.

BS 6172:2010 "Specification for installation, servicing and maintenance
of domestic gas cooking appliances (2nd and 3rd family gases)" covers
this in section 8.6:

"8.6 Where a cooker hood is to be used, both the gas cooker and the hood
manufacturer's installation instructions shall be consulted. Where
different distances are given from the top of the cooker to the bottom
of the cooker hood, the greater of the two specified distances shall be
used."


--
Cheers,

John.

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