Carte électronique cu-gh21 sw1.3 s. conn. Baxi De Dietrich 7877383

This replacement control board is designed for use with select Baxi heating systems, featuring software version SW1.3 and a serial connection interface. As a critical component for boiler operation, it ensures proper communication and control functions. Ideal for technicians performing boiler maintenance or repairs, this board helps restore reliable performance. When sourcing boiler spare parts, this control board offers a direct fit for compatible Baxi models, making it a practical choice for system restoration.