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Flue Gas Duct Extender – Easily connect two different diameters

The solution for transitions between pipe diameters in flue gas exhaust systems

An extender – also called a reducing piece, conical connection or in Flanders “reducing coupling” – is used to safely and flue gas-tightly connect two flue gas ducts with different diameters. Ideal for renovations or when an existing installation needs to be adapted to a different pipe diameter. These extenders are made of high-quality 316L stainless steel and are perfectly suited for flue gas exhausts from condensing boilers, pellet stoves, wood stoves or fireplaces.

🛠️ Application of an extender:
• Transition from e.g. 110 mm to 130 mm in flue gas ducts
• When connecting to existing chimneys or pipes of different sizes
• In both vertical and horizontal installations
• Suitable for residential and professional HVAC installations

✅ Features of our extender:
✔️ Ensures a flue gas-tight and secure connection
✔️ Available with or without sealing for P1 class applications (up to 200 Pa)
✔️ Perfect fit and compatible with standard flue gas components
✔️ Corrosion-resistant 316L stainless steel
✔️ Easy to install – Simply slide in or secure with a clamp

📦 Available in various diameter combinations – from Ø80 to Ø200 and more