Conduit d'admission d'air o-4x 30 / 40 De Dietrich JJX000977478

This air intake duct, sized o-4x 30/40, is designed to channel combustion air to the burner efficiently. A proper air supply is crucial for clean burning and system longevity. Whether you are replacing a worn duct or installing a new setup, this component ensures your burner receives the correct airflow for reliable operation.