Drosselklappe zum nachträglichen Einbau Kaminofenrohr The double wall socket is

The double wall socket is bricked into the existing chimney opening and serves to accommodate the flue pipe in a flue gas-tight and expansion-free manner

and free of grease / Without primer: Stainless steel

If the connection on your stove is larger than the connection on your chimney

It is assumed that both the combustion air supply and the operationally and fire-safe discharge of the exhaust gases from the simultaneously operated room-air dependent fireplace are ensured regardless of the window position of the monitored window and that the fuel recommended by the manufacturer of the fireplace is used

Glass: none

Drosselklappe zum nachträglichen Einbau Kaminofenrohr The double wall socket isThe component is used when a throttling device is to be retrofitted in flue pipes because, for example, the chimney drafts too much. Technical Data Material Steel 2 mm Temperature resistant up to 600C