Essentially, in a commercial kitchen, gas interlocking and extraction is a legally required method of keeping your kitchen staff safe.
Gas interlocking and extraction is an integral part of current UK gas safety regulations.
In simple terms, you can't get gas through
and therefore light any equipment - until gas extraction is running. Gas extraction in itself has to meet a lot of technical requirements.
Gas ensures that there is no build-up of harmful gasses in the work environment.
So why don't all kitchens have this?
Well, the rules surrounding gas interlocking and extraction are incredibly complicated and there simply is not space on our website
to explain all the various caveats. Be aware however that HSE and the GasSafe Register have declared war on poor air quality in catering
environments and a heavyweight technical bulletin was released in April 2012, which really ups the anti.