The Reznor RZ204611 Electrode Assembly is a replacement ignition component designed to support reliable burner operation in compatible Reznor HVAC heating equipment. It works by producing an electrical spark that ignites the gas-air mixture, helping the heating system start and operate effectively. This assembly is used in compatible Reznor gas-fired unit heaters and other specified h... https://www.partshnc.com/reznor-rz204611-electrode-assembly