Manufacturer Name: Trane Product Number: CNT8120 OEM Part Number: CNT8120 Product Description: Furnace Control Board 2 Stage Weight:0.74lbs/335.66g The Trane CNT8120 is a two-stage furnace control board, used specifically for two-stage gas furnaces. In connection with several elements associated with the furnace such as the gas valve, IFC igniter, and the blower motor, it also ... https://www.partshnc.com/cnt8120-trane-furnace-control-board-2-stage