Replacement Gas Furnace Flame Sensor – Compatible with Luxaire and York Models Ensure reliable furnace operation with this quality replacement flame sensor designed for Luxaire and York gas furnaces. This part replaces the following part numbers: S102537499000, 02537499000, ACS90453BXA, ACS90703BXA, ACS90704CXA, ACS90904CXA, ACS90905DXA, ACS91155DXA, P1257001F, P1257002F, P1257003F, P1257004F, P1257005F, P1257007F, P1257008F, P1257009F, P1257010F. Key Benefits: Restores proper furnace function by detecting and monitoring the flame during operation. Prevents unsafe conditions by shutting off the gas if combustion stops. Designed for precise fit and compatibility with listed Luxaire and York gas furnace models. Made from durable metal and ceramic materials for longlasting, wearresistant performance. Tested by the manufacturer to meet quality standards and ensure dependable operation. Function: This flame sensor detects when the furnace flame is present, signaling successful ignition. It continues to monitor the flame throughout the heating cycle. If the flame goes out unexpectedly, the sensor immediately signals the system to close the gas valve, increasing safety and preventing gas buildup. Material and Build Quality: Crafted from strength metal and grade ceramic components for durability and resistance to wear. The materials are selected to withstand the heat and demanding conditions inside a gas furnace. Compatibility: Fits select Luxaire and York gas furnace models using the part numbers listed. Ideal for replacing failing or worn flame sensors to restore reliable ignition and flame monitoring. Ease of Installation: Simple replacement process – remove the old sensor and install the one using basic hand tools. No complex adjustments required. Typical Use Scenarios: 1. Replacing a faulty flame sensor causing furnace ignition problems or system shutdowns. 2. Preventative maintenance to ensure continued safe and efficient heating during cold seasons. 3. Restoring functionality to a Luxaire or York furnace after inconsistent heating performance due to flame detection issues. This replacement flame sensor provides the reliability and safety your furnace needs to operate at its while protecting your home from improper combustion conditions.