The Crown Engineering CA409 Flame Rod is a flame-sensing component designed for compatible industrial gas burners and combustion systems. It detects flame presence by conducting a small electrical current through the flame, allowing the burner control system to verify safe combustion and maintain operation. Designed as a replacement for the Maxon 43078 flame rod, it supports reliable ... https://www.partshnc.com/ca409-crown-engineering-flame-rod-replaces-maxon-43078