York S1-025-30788-700 Flame Sensor This model is designed for

This model is designed for oil-fired systems using cad cell primary controls

this specific model is a "no-window" version designed for a clean look without a visible thermometer or setpoint dial

If you notice glazed sidewalls

High-Efficiency Heating: High-watt density configuration ensures rapid thermal transfer and faster recovery times

York S1-025-30788-700 Flame Sensor This model is designed forThe 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