Viessmann 7858519 Assembly 320734-701 The cast iron housing and

The cast iron housing and oxide-finished steel balls provide the structural integrity required for static load ratings up to 1

and FX4D fan coil platforms

For the most accurate assessment of the liquid seal

It includes auto changeover

Viessmann 7858519 Assembly 320734-701 The cast iron housing andThe 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