... 1 year warranty 3,220v 220v High Voltage Transformer1, igniter for gas, industrial furnance igniter,gun salute ignition 2 ... industrial furnace, the input voltage is 220v, also use in used in coal gas, natural gas, boiler, industrial furnace, ... supplied Inquiries Are Welcomed!! 220v High Voltage Transformer: industrial furnace igniter; gas igniter;boiler igniter; gas ignition; salvo igniter;gun salute