Optimize your home's flue gas evacuation with the 80mm x 50cm Double Wall Stainless Steel Flue Pipe , the ultimate solution for ensuring safe, efficient, and long-lasting performance in heating systems. Designed specifically for pellet stoves and modern fireplaces, this high-quality flue offers superior resistance to high temperatures and combustion corrosion. Its double-wall construction thermally insulates the flue, improving draft and drastically reducing condensation, resulting in easier maintenance and a longer lifespan for your entire heating system. This component, reference B25142412, integrates seamlessly into both professional and advanced DIY installations, ensuring a tight seal and preventing the release of harmful gases.

Safety and energy efficiency are fundamental when choosing components for the flue of a biomass stove. Thanks to its high-quality stainless steel construction, this pipe withstands continuous thermal demands without deforming. Its modular design, 50 centimeters in length, facilitates assembly and allows for precise adaptation of the chimney section to the specific space requirements of single-light homes or commercial premises. Investing in a double-walled system means investing in peace of mind, protecting adjacent walls and structures from extreme heat and optimizing pellet consumption by maintaining the optimal flue gas temperature during its ascent.

Main Features

• 80 mm inner diameter: Standard size ideal for the vast majority of pellet stoves on the market, ensuring perfect evacuation flow.


• 50 cm usable length: Straight section designed to facilitate the modular design and assembly of the flue system.


• Double wall system: Incorporates an inner layer of stainless steel and a thermal insulation chamber that protects the exterior and improves draft.


• High corrosion resistance: Materials selected to withstand the acidic condensates generated in biomass combustion.


• Advanced thermal safety: Minimizes heat transmission to nearby flammable materials, meeting safety standards for heating.


• Product reference: B25142412, guarantee of identification and exact compatibility for replacements or expansions.

Frequently Asked Questions

Is this pipe compatible with any pellet stove?

Yes, the 80 mm diameter is the most common universal size used in the vast majority of pellet stoves on the market. However, it is always recommended to check your stove's manual to confirm that the outlet diameter matches this duct.

Why choose a double-walled pipe instead of a single-walled one?

The double-walled pipe features a layer of thermal insulation that prevents the exterior of the pipe from reaching dangerous temperatures. Furthermore, it keeps the hot gases inside, significantly improving chimney draft and drastically reducing condensation and soot buildup.

Can this pipe be installed on the exterior of the house?

Yes, thanks to its stainless steel construction and double-walled design, this type of duct is fully prepared to withstand inclement weather in outdoor sections, preventing the outside cold from cooling the combustion gases.

How is the connection between the different sections of pipe made?

The sections are designed with a male-female assembly system that facilitates a firm and airtight connection. To guarantee absolute safety and prevent any smoke leaks, it is advisable to use high-temperature resistant sealant or silicone gaskets specifically designed for chimneys.