Enhance your Worcester Bosch boiler with the 7716191133 Short Flue Extension Kit. This essential component is designed to fit seamlessly with your existing white boiler, featuring a 220mm length for versatile placement options and a 60/100mm diameter that ensures a secure and snug connection. Crafted with precision, this extension kit maintains the high standards of the Worcester brand, offering a reliable solution for your heating system needs. Whether you're upgrading your current setup or installing a new boiler, this storage tank water heater accessory is a practical choice for efficient and consistent performance.