Up for sale is a Carrier control board P/N: HK42FZ035. Here are some specs. W/ Wiring & Transformers. Transformer P/N: BE151840GDD / HT01BC115-A. D/C: 3423 (August 2023). This control board is Used and in great physical / working condition and is a new-ish take off. The board was replaced for troubleshooting and used for very short time before the entire furnace was replaced. The date code on this board is 2023. I’ll be happy to answer any additional questions. The item must be in the same condition it was sent in. If there was any factory packaging, it must remain unopened. Powered by SixBit’s eCommerce Solution.