Installation and maintenance of gas-fired ducted air heaters of rated heat input not exceeding 70 kW net (2nd and 3rd family gases). Specification Ingestion-build-64721 They are used in a

They are used in a neutral state

water tolerance

The 'responsible person' is someone who has control

is deemed to fulfil the requirements in the entire frequency range from 9 kHz to 400 GHz

and offers assistance to service providers planning service improvements or to be audited against BS ISO/IEC 20000-1

Installation and maintenance of gas-fired ducted air heaters of rated heat input not exceeding 70 kW net (2nd and 3rd family gases). Specification Ingestion-build-64721 They are used in aWhat is this standard about? This British Standard covers how engineers should choose, install and maintain certain types of gas fired warm air heater, specifically in accordance with the EUs Energy Related Products Directive. Who is this standard for? Related training centres Installers Service engineers Manufacturers Notified bodies Test houses Department of Communities and Local Government Building Regulations Organizations which carry out work on