Reliable Ignition: The electrode is essential for initiating the burner and maintaining consistent combustion for efficient heating. Compatible Fit: Specifically designed for use with Vaillant boilers requiring part number 0020133816 for a seamless installation. Durable Construction: Manufactured from high-grade materials to withstand high temperatures and ensure long-lasting durability. Easy to Install: Designed for quick and straightforward installation, minimizing downtime for repairs or maintenance. 12-Month Warranty: Backed by a 12-month warranty, offering peace of mind with every purchase., Manufacturer: HTS