Presostato WGB/SGB/SGB 2 De Dietrich JJX000538930

The air pressure switch WGB/SGB/SGB 2 monitors the air pressure in the burner's air duct, ensuring safe operation by verifying adequate airflow. This safety device is critical for preventing incomplete combustion and potential hazards. If your burner fails to start or shuts down frequently, a faulty air pressure switch may be the cause, and this replacement part is a direct fit for many models.