The Scandia SN-HG-PZBOARD Computer Board is a replacement part designed to restore or maintain the functionality of your Scandia gas sauna heater's Piezo ignition system. The computer board manages the communication and control of the ignition sequence, ensuring the heater operates efficiently and safely. This essential component ensures reliable performance by overseeing the gas flow and ignition process, making it crucial for the overall operation of your gas sauna heater.