The 62-23543-01 Furnace Burner Flame Sensor Rod is specifically designed for Rheem furnaces, replacing either the 62-23543-02, 62-23543-03, or 62-23543-04 models. This burner rod not only ensures accurate flame sensing but also ensures efficient operation of your furnace. The high-quality components, including a genuine Brunswick air-gap flame sensor, contribute to its reliable and long-lasting performance. With the 62-23543-01, you can be confident that your furnace will operate smoothly and efficiently, reducing the need for unexpected repairs or replacements.