The Robertshaw 1830-700 Series Pilot Uni-Kits are designed for use with the OEM-style Pilot Ignition systems. The electrode is permanently riveted to the pilot frame and the spark gap is fixed at 1/8”. These pilots can be used to replace existing pilot assemblies or for retrofitting standing pilot applications when an exact replacement is desired. Each Uni-Kit comes with a natural gas orifice installed and a separate L.P. gas orifice. Pilot tubing size is 1/4″. Features Many flame pattern types available Thermocouple or thermopile options Spark electrode available Horizontal or vertical gas inlet Several mounting bracket types available Aerated pilots with non-linting characteristics