The RBI Boiler 70-2567 Spark Rod Assembly is an ignition component designed to generate the spark required to ignite the fuel-air mixture in compatible RBI boiler systems. It works by producing a controlled electrical spark that initiates combustion, enabling the boiler to generate heat for water heating and hydronic heating applications. This assembly is used in compatible RBI commer... https://www.partshnc.com/rbi-boiler-70-2567-spark-rod-assembly