Diameter 125mm
The active berbel wall bushing forms the optimal termination of any exhaust duct.
It opens automatically when the exhaust hood is switched on.
When closed, the wall bushing impresses with a sensationally low insulation value.
It is heat/sound insulated and draught-proof. In combination with a berbel hood and berbel exhaust pipes, you can save up to 50% energy! When closed, the berbel wall bushing impresses with an excellent insulation value of 0.95 W/m2K - this corresponds to triple-insulated glazing or a 24 cm thick wall with an insulation layer of at least 6 cm.
This wall bushing can be used on any exhaust system because it has a controlled valve based on air pressure.
type: 1001333
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