5. Install a manual main gas shutoff valve on the gas supply piping connected to the appliance to isolate the burner and gas train from the main supply gas in compliance with NFPA 54 National Fuel Gas Code and most local Codes. 6. The gas system installer must clearly identify the...
If the piping that remains can become pressurized or filled due to upstream valve failure, end caps, blind flanges, or other types of plugs or fittings shall be attached to the open end of the pipe to ensure positive leak control. 3.1.5 Electrical Equipment and Fixtures Salvage motors, ...