Components that come in the kit: T77V1D10-12, T77V1D10-12 and T77V1D10-24
Comes with 5 relay components 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.