... warranty 3,220v 220v High Voltage Transformer1, igniter for gas, industrial furnance igniter,gun salute ignition 2, 1 year ... 220v, also use in used in coal gas, natural gas, boiler, industrial furnace, automatic electronic gas burner, etc. 2,The picture of the ... Are Welcomed!! 220v High Voltage Transformer: industrial furnace igniter; gas igniter;boiler igniter; gas ignition; salvo igniter;gun salute