This is a HK42FZ039 Furnace Control Board Replacement for Carrier Bryant Payne. It is new in box. This HK42FZ039 furnace control board directly replaces OEM part numbers: HK42FZ034, HK42FZ039, HH84ZB020, LH33WP002, LH33WP003, and HH84ZB021. Compatible with Carrier, Bryant, Payne gas furnaces.