The York PSE-Y37 Flame Sensor is a genuine OEM replacement component engineered to detect flame presence in York gas furnaces and heating systems. It ensures safe ignition control by monitoring burner operation ? confirming flame presence and signaling the control board to continue the gas flow. A failed or dirty flame sensor can cause short cycling or ignition lockout, making this part essential for reliable and safe furnace performance. Key Features: Genuine York OEM flame sensor for dependable compatibility and performance. Detects flame presence to ensure safe burner operation. Prevents unburned gas release by verifying ignition. Built from durable, heat-resistant materials for long life. Simple plug-in replacement with factory-style connector and mounting. Specifications: Part Number: PSE-Y37 Type: Flame Sensor / Flame Rod Function: Detects flame signal during operation Construction: Ceramic insulator with metal sensor rod Mounting: Bracket-style or screw mount (depending on model) Compatibility: Designed for York gas furnaces and heating systems Compatible Models: B1HQ060A25 AC8B048F1C AY024MA323 2MP04708900 B1HX036A25 B1HZ042A25 BAUXW048A ACD096F32A AC8B024F4C B1HA036A25FE and more. Why Choose This Item: The York PSE-Y37 Flame Sensor provides critical safety assurance by confirming ignition and maintaining system control. As a genuine OEM replacement, it offers perfect fit, reliable detection accuracy, and long-lasting performance, ensuring your furnace runs safely, efficiently, and without ignition errors.