Coffre-fort S4965B De Dietrich 0295182

The safety box S4965B is a dedicated control unit designed to supervise burner operation and ensure safe shutdown in case of faults. It houses essential safety relays and logic circuits that monitor flame, air pressure, and other parameters. If your burner experiences intermittent lockouts or fails to start, a faulty safety box may be the cause. Replacing it with this S4965B model can restore reliable and safe burner performance. A critical spare part for gas burner repair and maintenance.