Viessmann 7858519 Assembly L99H008 G27M4-100A

G27M4-100A

ensuring precise metering even in complex indoor coil configurations

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

the internal float and seal can be cleaned if debris prevents the valve from seating properly

The Watts 335M2 series is rated for a maximum operating temperature of 250°F (121°C)

Viessmann 7858519 Assembly L99H008 G27M4-100AThe 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