The most common reasons for replacing the flame sensor are when the furnace doesn’t heat or runs only for a few minutes. Flame sensor is for Trane and American Standard furnace. Fits models: Trane: tuh2b080a9v3vaa, xr80 tud1d120a9601aa, tue060a936ko, xe90 tuc060c936b4, xb80 tue080a936l3, tud1b060a9361ab, xr90 model tux1b080a9421ab, etc. American Standard: auc1c100a9481ad, cub100a948c4, uc1b080a9421ae, add080c936c3, aux1b060a9361ab, auh2b060a9v3vab, etc. May fit others please confirm your original part number and compare to our product description before you order. Dimension - 3.4" in length and 90 degree "crook" on end approximate 2". Package including 2 X flame sensor replace OEM part number #SEN01114, SEN00441, SEN441, SEN00337, SEN00491, SEN0337, SEN0491, SEN1114, B340888P01. Flame sensor replaces OEM part number #SEN01114, SEN00441, SEN441, SEN00337, SEN00491, SEN0337, SEN0491, SEN1114, B340888P01.Compatible with furnace brand Trane and American Standard: Fits Trane models: TUC080C942A0, TUC100C948B7, TUD080C936H4, TUD080C936J1, TUD080C936K0, TUD080C936K4, TUE060A936K2, TUE080A936K3, TUH1B060A9361AA, TUX080C942C1, etc.Fits American Standard models: ADC1B040A9241AA, ADC1B040A9241AB, ADC1B040A9241AC, ADC1B040A9241AD, ADC1C100A9481AD,ADC1D120A9601AC, ADE1D120A9601AA, ADE1D120A9601AB, ADE1A060A9361AA, ADE1A060A9361AB, ADE1B060A9361AA, ADE1B060A9361AB, ADH1B040A9241AA, ADH1B065A9421AA, ADH1C085A9481AA, etc.May fit others please confirm your original part number and compare to our product description before you order.Package comes with 2 X OEM SEN01114 flame sensor.