The APW AS-2066854 #54 Gas Orifice 3/8"-27 regulates fuel flow to the burner in compatible commercial cooking equipment. Its precisely sized #54 opening meters the amount of gas entering the burner assembly, supporting the proper fuel supply required for controlled combustion. The 3/8"-27 threaded connection allows installation within the designated gas line or burner fitting. This re... https://partsfe.com/as-2066854-apw-orifice-54