The Viessmann Lead Wire, part number 7823972, is a replacement electrical connection cable designed for use within condensing boiler systems. It functions as a connecting lead between ignition and control components, supporting proper electrical communication during boiler operation.
This lead wire is engineered for integration with ignition transformer modules and ionization systems, ensuring reliable signal transmission required for burner ignition and flame monitoring. Its design supports consistent performance in high-efficiency boiler environments.
What’s Included: Electrical lead wire for ignition transformer and ionization connection
Installation Limits: Intended for internal boiler use only; must be installed by a qualified technician and connected according to system wiring requirements
Compatibility: Compatible with Viessmann Vitodens 100-W WB1A series boilers and related ignition control systems