Lochinvar & A.O. Smith 100112678 Flame Sensor 323055-751 The Watts F75-03BJ is a

The Watts F75-03BJ is a heavy-duty 3/8" NPT pneumatic filter engineered for high-demand compressed air systems requiring consistent particulate removal

This model requires a 208-230V

which is powerful enough to operate the entire gas valve circuit

By replacing a fatigued Honeywell 316134B

Contractors value its field-selectable control options

Lochinvar & A.O. Smith 100112678 Flame Sensor 323055-751 The Watts F75-03BJ is aThe Lochinvar & A. O. Smith 100112678 Flame Sensor is a critical OEM safety component engineered for precise flame rectification in high efficiency boilers and water heaters. Designed for Lochinvar Knight and A. O. Smith B4940, B5930, B5940, and B7930 series units, this sensor monitors the burner's ionized path to ensure the gas valve remains energized only when a stable flame is present. Constructed with a high grade Kanthal or equivalent alloy rod