This is LENNOX 103686-06 A/C Heat Pump Control Circuit Board 1184-510  used. 

This part was removed and inspected by professional HVAC installer from a fully functioning system. Was in great working condition when removed.

In very good cosmetic condition.  Please see more details from the images attached. 

You will receive exactly the same part as pictured or a very similar one. 

FREE USPS Priority mail delivery guaranteed.

You can choose also USPS Priority Express 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!