Fuel-gas piping serving industrial ovens shall comply with the California Mechanical Code. Piping for other fuel sources shall comply with this section.
Each industrial oven or furnace shall be provided with an approved manual fuel shutoff valve in accordance with the California Mechanical Code.
Valves for fuel supply lines shall be located within 6 feet (1829 mm) of the appliance served.
Exception: When approved and the valve is located in the same general area as the appliance served.
The design of manual fuel shutoff valves shall incorporate a permanent feature which visually indicates the open or closed position of the valve. Manual fuel shutoff valves shall not be equipped with removable handles or wrenches unless the handle or wrench can only be installed parallel with the fuel line when the valve is in the open position.