The Worcester Bosch 8738901633 ignition device is a genuine replacement ignition component designed to provide reliable and consistent burner ignition in higher-output Worcester Bosch boiler systems. Playing a critical role in the combustion process, this ignition device generates a dependable spark to safely ignite the gas-air mixture, ensuring smooth boiler start-up, stable operation, and efficient heating performance. Manufactured to original equipment standards, it offers durability and dependable operation in demanding commercial and large domestic applications.

This ignition device is compatible with selected Worcester Bosch boilers in the 50 kW to 100 kW output range, including models within the GB and ZBR series that specify part number 8738901633. It is commonly used on GB162 and related high-output boilers, but compatibility can vary by model version and fuel configuration, so confirming suitability using the boiler model and GC number is recommended before purchase.

Key features of the Worcester Bosch 8738901633 ignition device include genuine Worcester Bosch manufacture for assured fit and quality, reliable spark generation for safe and consistent burner ignition, suitability for higher-output 50–100 kW boiler applications, robust construction designed to withstand repeated ignition cycles, and seamless integration into the boiler’s combustion system when installed by a qualified Gas Safe engineer.