the board is intended for controlling the boiler, used, functional. Can be sent by courier Suitable for PROTHERM boilers: PANTHER 12KOO (18) PANTHER 12KTO (18) PANTHER 24KOO (18) PANTHER 24KOV (18) PANTHER 24KTO (18) PANTHER 24KTV (18) if interested, please contact me first by email sachmat@centrum. Czech Thank you