The Bosch HVAC 8738722788 Ignition Electrodes are replacement ignition components designed for compatible Bosch gas-fired tankless water heaters. Installed within the ignition assembly, they generate an electrical spark that ignites the gas-air mixture, initiating combustion for water heating. These electrodes support reliable burner startup and consistent heating performance during o... https://www.partshnc.com/bosch-hvac-8738722788-ignition-electrodes