The Carrier HK42FZ035 Furnace Control Circuit Board is a 120V corded electric board designed for use with Carrier and Bryant furnaces. Its model number is CEPL130667-04-1 and it is compatible with HK42FZ021, HK42FZ024, HK42FZ022, and HK42FZ026 models. This furnace control board is 1/4 inch thick, 10 inches long, and 8.3 inches wide, weighing 1 pound. It is a crucial part for maintaining and repairing central furnace systems in various industrial and residential settings.