This is Honeywell LENNOX 1084-852-R Defrost Control Circuit Board 100269-05 used assembly. 

This part was removed by HVAC installer from a working furnace Old equipment was removed because homeowner upgraded it to a more energy efficient models.

Was in good working condition when removed. 

Please see more details from the images attached. You will receive exactly the same as pictured or a very similar one. 

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I am shipping fast, 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.