All-Configuration Support: Fully compatible with horizontal and vertical (downflow) ducting setups

5" water column full rate setting with a 0

Standardized Electrical Interfacing: Operates on a 24V AC circuit

this board requires the specific model and serial number of the unit at the time of order

Viessmann 7858519 Assembly 322838-753 All-Configuration Support: Fully compatible withThe Viessmann 7858519 Ignitor Flame Sensor Assembly is a critical OEM component designed for high performance combustion control in industrial and commercial heating systems. This dual purpose assembly streamlines maintenance by integrating the electrode responsible for generating a high voltage spark with a precision flame rectification sensor. By providing real time feedback to the ignition control board, the 7858519 ensures safe burner operation