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 BS 18477 seeks to embed

BS 18477 seeks to embed a more sophisticated understanding of the nature of vulnerability

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

water tolerance

Part 1 of BS ISO 15489-1 provides guidance on managing records of originating organizations

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 BS 18477 seeks to embedWhat 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