This flame sensor is the direct replacement for many Carrier, Bryant, Payne, and Day & Night gas furnaces. The mounting hole is at approximately the 2:00 O' Clock position with the sensor sitting on a flat surface with the bend pointing to the left. Please see photos to reference flame mounting hole position. This flame sensor replaces Carrier Bryant Payne Day & Night part numbers LH680012, LH680014, LH33WZ511, LH33WZ515, and LH33WZ517. This part is covered by the exclusive Duralight two year limited replacement policy. If this part fails within two years from date of purchase, return the defective part and a copy of the original invoice to the place of purchase for replacement. Contact the authorized Duralight dealer that you purchased the part from for details. Original equipment manufacturer's brand name(s) and part numbers are used for identification purposes only. This item is supplied by OneTrip Parts and meets or exceeds original equipment specifications.