The AERCO GP-122435-S Spark Ignitor is a replacement ignition component designed for compatible AERCO boilers and water heaters. It generates the spark required to ignite the burner, supporting reliable startup and consistent combustion during operation. This component helps maintain efficient equipment performance by providing dependable ignition when the system calls for heat. It is... https://www.partshnc.com/gp-122435-s-aerco-boiler-and-water-heater-ignitor