This is the third of three essential reference volumes for those concerned with the installation and servicing of domestic and industrial gas equipment‎.‎ This volume explains the basic principles underlying the practical and theoretical aspects of installing and servicing gas appliances and associated equipment‎,‎ from the basics of combustion‎,‎ to burners‎,‎ pressure and flow‎,‎ transfer of heat‎,‎ controls‎,‎ as well as materials and processes‎,‎ electrical aspects‎,‎ and metering and measuring devices‎.‎ Covering both Natural Gas and Liquefied Petroleum Gas‎,‎ the many illustrations and worked examples included throughout the text will help the reader to understand the principles under discussion‎.‎ Volume 3 of the Gas Service Technology Series will enable the reader to put into practice the safe installation and servicing procedures described in the companion volumes‎:‎ Basic Science and Practice of Gas Service ‎(‎Volume 1‎)‎‎,‎ and Domestic Gas Installation Practice ‎(‎Volume 2‎)‎‎.‎ Combining a comprehensive reference with practical application in real‎-world engineering contexts‎,‎ Volume 3 provides an essential handbook for all aspects of fundamental gas servicing technology‎,‎ ideal for both students new to the field as well as professionals and non‎-operational professionals ‎(‎e‎.‎g‎.‎ specifiers‎,‎ managers‎,‎ supervisors‎)‎ as an ongoing source of reference‎.‎