UK Gas Engineering Glossary

The words the gas engineering path uses, defined in plain English, with the law scoped to Great Britain or Northern Ireland.

Gas Safe Register

The register of gas businesses approved to do gas work in Great Britain and Northern Ireland, and the engineers who work for them.

Emergency control valve (ECV)

The valve, usually by the gas meter, that turns off the gas supply to a whole property in an emergency.

ACS (Accredited Certification Scheme)

The scheme that assesses a gas engineer's safety competence area by area, such as core domestic safety, boilers or cookers.

Carbon monoxide (CO)

A poisonous gas with no colour or smell, made when gas and other fuels do not burn properly.