

The Flame Sensor S1-02527773700 is a crucial component for York, Coleman, and Luxaire Furnaces, as well as Packaged Units/RTUs. This sensor, along with the Thermistor, ensures precise detection of flames for safe and efficient operation. Compatibility includes models S1-02527773000, S1-02525434700, S1-02525434000. With precise measurements, this sensor installs easily in minutes with basic tools.