Carrier LH33WZ521 Flame Sensor
For Carrier Models: 58CTW, 58CTY, 58PHB, 58PHY, 59MN7, 59SC2A, 59SP2A, 59SP5A, 59TN6A, 59TP5A, 59TP6A, 59SC2B, 59SC2C, 59SC5A, 59SESA
For Bryant Models: 314AAV, 314JAV, 313ABV0, 313JBV0
For Payne Models: PG92SCS, PG92SBS, PG8JEB, PG96VAT, PG95XAT, PG95SAS.
Could be sold as the PP900-705-4 Pro Parts.