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This specific model is typically used as a single-stage or low-fire switch depending on the furnace wiring diagram
7 kN dynamic load rating
Designed with a silicon steel-laminated core and copper magnet wire
Common Questions & Technical Insights Is this plate compatible with all T-4000 series instruments
Lochinvar & A.O. Smith 100112678 Flame Sensor 340155-7024 This specific model is typicallyThe 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
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