The Ideal Pack D 500 mm Flue Extension is designed to extend the flue system length for compatible heating installations, providing greater flexibility when positioning a boiler. Manufactured for reliable performance and secure connection, this 500 mm extension helps create an efficient and properly routed flue setup in residential heating systems. Its durable construction supports long-lasting use while maintaining safe and effective ventilation for boiler operation. Ideal for both new installations and replacement projects, it offers a practical solution for achieving the required flue configuration.