The Viessmann 7819627 Ignition Electrode WB2A-24/32 is a replacement ignition component designed for reliable burner ignition in compatible Viessmann heating systems. It generates a controlled electrical spark that ignites the gas-air mixture within the burner, supporting consistent and safe boiler operation. This electrode is used with selected Viessmann Vitodens WB2A 24/32 gas-fired... https://www.partshnc.com/7819627-viessmann-ignition-electrode-wb2a-2432