Ensure that your heating system continues to work optimally by replacing worn-out or damaged parts with this Trane Furnace Ignitor. This model is designed for use with ignitions in residential settings. This silicon nitride ignitor is one of the strongest compositions in the market, ensuring that your equipment will provide years of reliable performance. Take note that this unit replaces specific Trane and White Rodgers models, so be sure to check for compatibility before making a purchase. This hot surface ignitor has a 54mm lead length.