This is GOODMAN PCB00109 Furnace Control Circuit Board EMERSON 50M56-289 used part. These parts were removed by HVAC installer from a fully functioning systems. Parts have been inspected by professional and were in working condition when removed. Please see more details from the images attached. You will receive one of the items pictured or a very similar one. FREE USPS First Class mail delivery guaranteed.You can choose also USPS Priority mail delivery for additional price. My handling time is 1 business day only. Purchasing used parts you agree with the statement that sometimes hidden defects or malfunctions may occur during installation or continuous use. There is no long-term warranty on used parts. But you have 30 days FREE return option. 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. I am not liable for any damages or failures as a result of improper installation.