AGA Z223121 / ANSI Z223.1 / NFPA 54

This publication is produced by the American Gas Association.

Improve protection against fire and explosion hazards using the 2021 National Fuel Gas Code.This code offers criteria for the installation and operation of gas piping and gas appliances on consumers' premises. The National Fuel Gas Code is essential for designers, installers, AHJ's, and system maintainers responsible for ensuring fuel gas safety on consumers' premises.