Carrier Bryant Payne HK42FZ054 Furnace Control Circuit Board CEPL131072-20. Removed and inspected by HVAC installer from a fully functioning system. Old system was replaced with newer one (more energy efficient) and was in good working condition. This part was in good working condition when removed. This part is in very good cosmetic condition as well. Please see more details from the images attached. Please check images carefully because you will receive exactly the part as pictured, or a very similar one. Purchasing used parts you agree with the statement that sometimes hidden defects or malfunctions may occur during installation or continuous use. Most of the parts require specific knowledge and skills to be installed properly. If you don’t have skills or knowledge, you must ask certified HVAC technician to install.