
Beru Spark Plug (with Protection Tube) Zk18-12 Igniter Electrode for The Industrial Gas Combustion Furnace Industry. Sensitive Ignition: Plum blossom ignition head generates multiple sparks for reliable one-time ignition. Durable Ceramic Body: Made of 95% alumina ceramic with 20KV breakdown voltage and high-temperature glaze. Customizable Materials: Customers can choose from Ni80Cr20, Cr27Al7Mo2, or 0Cr25Al5 based on temperature needs. Convenient Assembly: Screw-type connector design allows for firm, reliable, and easy disassembly. Long Service Life: Resistant to carbon deposition and oxidation, extending product lifespan significantly. Versatile Applications: Suitable for household stoves, commercial burners, boilers, and industrial furnaces. Customizable Dimensions: Available in wire diameters of 3mm, 3.5mm, 4mm, and other sizes upon request.