The 122 to 120 mm vitreous enameled chimney pipe reducer is an essential plumbing and heating fitting for ensuring a leak-proof, safe, and durable connection in flue systems. Specifically designed to serve as a chimney pipe reducer, this component allows for the precise coupling of pipes of different diameters, optimizing the draft and performance of wood or biomass stoves, boilers, and fireplaces. Its manufacture under strict quality standards ensures superior resistance to high temperatures and corrosive combustion gases.

The main advantage of this joining sleeve lies in its vitreous enamel coating, both inside and out. This high-temperature enamel treatment protects the steel from rust, soot, and acidic condensate, dramatically extending the lifespan of the entire flue system. Furthermore, its aesthetically pleasing black finish blends seamlessly with the visible chimney pipes, providing a clean and professional look. Thanks to its calibrated dimensions of 122 mm at one end and 120 mm at the other, it ensures a perfect fit, simplifying installation and preventing smoke and carbon monoxide leaks into the room.

Main Features

• Product type: Vitrified reducing sleeve for chimney pipes.


• Reference: B10263806.


• Connection measurements: Reduction from 122 mm to 120 mm.


• High-quality material: Durable steel with a vitreous enamel coating.


• Thermal resistance: Withstands extreme temperatures without suffering deformation.


• Corrosion protection: Immune to the action of acid condensates and soot.


• Application: Connection of smoke evacuation ducts, stoves and chimneys.

Frequently Asked Questions

What exactly is this vitrified sleeve used for?

This component functions as a reducer and joining element between two sections of chimney pipes or exhaust ducts that have a slight difference in diameter, going from 122 mm to 120 mm, ensuring a hermetic seal.

Is it suitable for wood and biomass stoves?

Yes, it is fully designed to withstand the high temperatures and demanding conditions generated in the combustion of wood, pellets and other biomass fuels.

What advantages does the vitrified finish offer?

Vitrification seals the pores of the metal, providing excellent protection against oxidation, wear and tear over time, and corrosion caused by acids in smoke and condensation.

How do I install it in the chimney?

Its design allows for direct coupling between compatible 122 mm and 120 mm pipes. It is recommended to use refractory mastic or sealant specifically designed for chimneys at the joints to ensure a watertight seal.