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though model designations may vary by regional distributor catalogs
The Watts F75-03BJ is a heavy-duty 3/8" NPT pneumatic filter engineered for high-demand compressed air systems requiring consistent particulate removal
which is powerful enough to operate the entire gas valve circuit
System Protection: Accurate sensing prevents short-cycling and maintains optimal efficiency for both heating and cooling stages
Lochinvar & A.O. Smith 100112678 Flame Sensor 323055-751 though model designations may varyThe 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