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 is deemed to fulfil the

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

water tolerance

including the valves and steam and water fittings

and activities necessary to obtain quantitative environmental information for internal and/or external purposes

Annex G (was comparison of spheroidal graphite cast iron material designations according to EN 1560 [1] and ISO/TR 15931 [15]) was as the previous Annex H

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 is deemed to fulfil theWhat 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