The International Comfort Products RC6600001 Board-Main Control is an OEM electronic control board designed to manage and coordinate essential HVAC system functions. It receives signals from various components and directs heating, cooling, and blower operations to maintain proper system performance. This control board is used in compatible International Comfort Products and Carrier re... https://www.partshnc.com/rc6600001-international-comfort-products-board-main-control