![](/images/flag/s/en.gif)
Main gas supply must be off when plumbing gas line to fireplace or performing service. • Consult all codes. All gas piping must be installed to comply with local codes, or in the absence of local codes, with the latest edition of the National Fuel Gas Code ANSI Z223.1. • This appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressure in excess of 1/2 psi (3.5 kPa). • The appliance must be isolated