This is an Trane/American Standard Furnace Flame Sensor Rod. The part number is SEN01114 (OEM Replacement for all the #s listed below). OEM Replacement For Old Part #s: SEN337, SEN0337, SEN441, SEN0441, SEN491, SEN00491, SEN1114, SEN01114, PSE-T19, B340888-2 This is an Trane/American Standard Furnace Flame Sensor Rod. The part number is SEN01114 (OEM Replacement for all the #s listed below). OEM Replacement For Old Part #s: SEN337, SEN0337, SEN441, SEN0441, SEN491, SEN00491, SEN1114, SEN01114, PSE-T19, B340888-2 Partial List of Trane/American Standard Furances that use this Flame Sensor: ADC1B040A9241AA ADC1B040A9241AB ADC1B040A9241AC ADC1B040A9241AD ADC1B060A9361AA ADC1B060A9361AB ADC1B060A9361AC ADC1B060A9361AD ADC1B080A9421AA ADC1B080A9421AB ADC1B080A9421AC ADC1B080A9421AD ADC1B080A9421AE ADC1C100A9481AA ADC1C100A9481AB ADC1C100A9481AC ADC1C100A9481AD ADC1D120A9601AA ADC1D120A9601AB ADC1D120A9601AC ADC1D120A9601AD ADD1A040A9241AA ADD1A040A9241AB ADD1A060A9241AA ADD1A060A9241AB ADD1A060A9361AA ADD1A060A9361AB ADD1B060A9361AA ADD1B060A9361AB ADD1B060A9H31AA ADD1B060A9H31BA ADD1B060A9H31BB ADD1B080A9361AA ADD1B080A9361AB ADD1B080A9451AA ADD1B080A9451AB ADD1B080A9H31AA ADD1B080A9H31BA ADD1B080A9H31BB ADD1B100A9451AA ADD1B100A9451AB ADD1C100A9481AA ADD1C100A9481AB ADD1C100A9541AA ADD1C100A9541AB ADD1C100A9H51AA ADD1C100A9H51BA ADD1C100A9H51BB ADD1C120A9541AA ADD1C120A9541AB