Viessmann 7858519 Assembly L99H008 while the 5/8-inch bore size

while the 5/8-inch bore size provides a secure fit on standard motor shafts

such as 200°F to 400°F

This wire is primarily used in RK and RM series rooftop units and is often paired with the R30650 electrode

Standard 1 1/2 inch NPT ports allow for easy integration into existing heavy-duty piping systems

This gauge is perfect for monitoring system operation

Viessmann 7858519 Assembly L99H008 while the 5/8-inch bore sizeThe 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