The CARRIER HVAC HK42FZ031 Furnace Control Board is a genuine OEM replacement part specifically designed for Carrier, Payne, and Bryant central furnaces. This control board is a 24V unit with a power source of corded electric and gel, featuring a power phase of 1 phase and an amperage of 50A. Made in the United States, this furnace control board has a thickness of 1 inch and weighs 1 pound, making it a reliable and high-quality component for maintaining and repairing heating systems.