The HK42FZ018 Furnace Control Board is a new replacement unit designed for Carrier brand central furnaces. Made of durable plastic material, this corded electric control board operates at 24V with 40A of amperage. It comes with a manufacturer warranty of 1 month and weighs 1 lb. This furnace control board is only compatible with 1 phase power sources and is a reliable choice for HVAC and refrigeration systems requiring a control board with these specific specifications.