York S1-025-30788-700 Flame Sensor this unit is designed to

this unit is designed to withstand the rigors of the mechanical room while providing an ASME B40

an infinite "OL" reading indicates a hairline crack in the element

allowing for more devices per notification appliance circuit (NAC) loop

OEM Performance: Eliminates the common arcing and snapping issues associated with generic

ensuring consistent performance in demanding mechanical rooms

York S1-025-30788-700 Flame Sensor this unit is designed toThe York S1 025 30788 700 Flame Sensor is a critical OEM replacement component designed for precise flame rectification within residential and commercial furnace assemblies. As a direct replacement for the legacy 025 30788 000, this sensor operates by utilizing the ionized particles in the gas flame to conduct a microamp signal back to the integrated furnace control board. When the York furnace flame sensor detects a stable flame, it allows the gas