This is LENNOX TSG1-1 REV A 43K90 Furnace Ignition Control Circuit Board used part.

This part was removed and inspected by a professional HVAC person. Was in great working condition when removed.

In excellent cosmetic condition as well.  Please see more details from the images attached. You will receive the same part as pictured or a very similar one. 

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 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.