01 Ago LENNOX BCC2-3 REV A LB-65126A Furnace Control Module; parts-only (or you repair)
As pictured (ruler for scale only; not included). The only obvious defect, that my untrained eye sees, is a fried K4 relay's soldering point as shown, circled in yellow, in the second picture. I don't know if resoldering would fix it, or if that relay...