If you are in the construction trades or building maintenance, these books are a "must-have" to stay on top of the latest regulations. Many cities use the International Codes for the basis of their regulations. These are hot off the press 2009 manuals. They can more than pay for themselves by keeping you out of trouble with the local building inspectors.
This code book addresses the design and installation of fuel gas systems and gas-fired appliances through requirements that emphasize performance.