Repair Kit Lennox Armstrong Ducane 12J99 Furnace Control Board 1097-83-5051A, 1097-502-1, 1097-502-I
Relays that come in the kit: T9AV1D12-22, T9AV5D12-22, ALQ312, T7CS1D-12, and 3amp fuse
Comes with 4 relay components and a 3 amp fuse that repair 99% of all control boards. You must know how to solder with a soldering iron and you must know the correct orientation to install the parts. Capacitors and resistors only go one direction so don't install them backwards b/c they will not work.