New never installed customer ordered wrong board The Carrier HK42FZ045 Furnace Control Circuit Board CEPL131004-02 is a crucial part for controlling your furnace, central air conditioner, or heat pump split system. Made of durable materials like fiberboard, plastic, and steel, this circuit board is designed to last. With its compatibility with various brands like Carrier, Payne, and Bryant, you can trust that this product will work seamlessly with your heating and cooling system. Proudly manufactured in the United States, this control board is a reliable option for maintaining your HVAC system’s performance.