The Navien 30032870A Ignitor and Flame Rod Combination is a replacement component designed for compatible Navien tankless water heaters. The ignitor generates the spark required to initiate burner combustion, while the flame rod detects the presence of a flame and helps ensure safe, reliable operation. Working together, these components support consistent hot water production and prop... https://www.partshnc.com/navien-tankless-water-heaters-30032870a-ignitor-flame-rod-combination