ICP Heil Tempstar 621-83-401A Control Circuit Board 621-404  8201-069 used part. 

These parts were removed and inspected by professional HVAC installer from a fully functioning systems. 

All are in very good cosmetic condition.  Please see more details from the images attached. You will receive one of the very similar items. 

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. But if I receive the money before 1 pm by Pacific Time very likely it will be shipped same day. 

Purchasing used parts you agree with the statement that sometimes hidden defects or malfunctions may occur during installation or continuous use. There is no warranty on used parts. But you have 30 days satisfaction guarantee and 30 days FREE returns.

 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.