The 150 mm double-walled stainless steel flue plug (Reference: B25142426) is an essential component for ensuring maximum efficiency, safety, and durability in flue gas evacuation systems. Designed specifically for pellet stoves, fireplaces, and boilers, this component guarantees an airtight seal and optimal management of condensation generated during combustion. Made of high-quality stainless steel, it offers excellent resistance to high temperatures, corrosion, and the passage of time, making it an indispensable investment for the maintenance of your heating system.

Proper gas venting is vital for the performance of any heating system. This double-walled purge plug is designed to facilitate cleaning and maintenance, allowing for the quick and safe drainage of accumulated liquid residue from the flue. Its double-insulated structure optimizes chimney draft and prevents excessive heat transfer to the outside, protecting neighboring areas of the house and improving the overall energy efficiency of the system.

This component is remarkably easy to install and fits perfectly with other 150 mm pipes and fittings. Thanks to its modular design, it integrates seamlessly into the flue system, preventing leaks of harmful gases and ensuring completely safe operation for your home. It's the ideal solution for both new installations and the renovation or replacement of worn parts in existing systems.

Main Features

• Nominal diameter: 150 mm, ideal for pellet stoves and standard fireplaces.


• Double wall system: Provides superior insulation and improves the thermal performance of the evacuation.


• High-quality material: Made of stainless steel that is resistant to corrosion and high temperatures.


• Drainage function: Includes a system for efficient drainage and evacuation of condensate.


• Product reference: B25142426.


• Guaranteed safety: Airtight seal that prevents the leakage of gases and fumes into the home.


• Ease of maintenance: Allows quick access for periodic duct cleaning tasks.

Frequently Asked Questions

What exactly is this double-walled plug for?

This component serves a dual purpose in the evacuation system. On one hand, it seals the lower end of the chimney or pellet stove flue, and on the other hand, it incorporates a purge system to drain the moisture and condensation that naturally occurs during combustion.

Is it compatible with any 150mm chimney pipe?

Yes, it's designed with standard 150mm dimensions to fit most double-walled flue systems on the market. However, we recommend checking the specifications of your current installation to ensure perfect compatibility.

What advantages does the double-wall system offer compared to the single-wall system?

The double-walled system features a layer of thermal insulation between the inner and outer pipes. This drastically reduces heat loss, maintains flue gas temperature to improve chimney draft, minimizes condensation, and lowers the exterior surface temperature, significantly increasing the safety of the installation.

How is maintenance and cleaning performed through this plug?

The plug's design allows direct access to the base of the flue. For cleaning, solid debris that falls during chimney sweeping can be removed, and accumulated liquids can be periodically emptied using the purge function, helping to extend the lifespan of the entire chimney.