De Dietrich 83688793-Zündelektrode mit flacher Oberfläche

De Dietrich 83688793 is a flat ignition electrode, also listed under article number 336.946.038. This part belongs to the ignition and ionization electrodes category. An ignition electrode generates a spark from the ignition transformer to light the fuel-air mixture in the burner. It sits inside the combustion head, with its tip positioned in the flame zone. On burners that use a separate flame-sensing electrode, the ignition electrode has only a sparking function; on some designs, a single electrode serves both ignition and ionization duties, but that distinction depends on the burner control and electrode arrangement in the specific appliance. Parts of this type are selected by electrode length, bend angle, insulator diameter, spark gap, and the shape of the mounting flange or bracket. The "flat" designation typically refers to the electrode tip geometry, which influences the sparking characteristics and the distance from the burner head. A wrongly bent or sized electrode can cause delayed ignition, misfiring, or contact with the burner metal. Common failure modes include a blunted or eroded tip, cracked ceramic insulation, carbon sooting that bridges the gap, or a gap that has widened through thermal cycling. When replacing, check the existing electrode for its bend and overall dimensions; match the new part to the same physical profile. Also verify that the high-tension cable and its boot are intact and clean, as any tracking or moisture can prevent a reliable spark.