This is LENNOX 100870-01 SureLight Control Circuit Board Honeywell S9230F1006  used part. 

This part was removed and inspected by HVAC installer from a fully functioning system on November (2020). 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 good cosmetic condition as well.  Please see more details from the images attached.

Please check images carefully because you will receive the same as pictured, or a very similar one. 

FREE USPS Priority mail delivery guaranteed.

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.