DUO Exhaust and Supply Air System

Only one wall penetration for exhaust and fresh air supply

The DUO exhaust and air supply system provides the highest level of ventilation convenience in your kitchen: While the extractor hood transports cooking fumes and odours to the outside via the exhaust air channel, the stale air is replaced by the fresh air coming through the supply air duct. This only results in a slight negative pressure – full performance of the extractor hood remains unchanged because fresh air is automatically brought in. Windows and doors can stay closed.
For connection to flat duct systems 100 and 125. With adaptor for flexible hoses Ø 100 and 125.

Not suitable in conjunction with fireplaces with chimneys. Check with your local chimney sweep.

And this is how DUO works:

Extractor hood out of Action:

Vents for outgoing and incoming air are closed.

Extractor hood in action, windows and doors closed:

The stream of air circulating through the extractor hood opens the outgoing vent. The atmospheric pressure in the rooms sinks, causing the incoming vent to open; fresh air streams into the room.

Extractor hood in action, windows and doors open:

The stream of air circulating through the extractor hood opens the outgoing vent. The incoming vent remains closed, since fresh air is entering the room via the open door.

DUO - Installation options


Advantages Marley DUO Exhaust and Supply Air System

  • Only one wall penetration for exhaust and fresh air supply
  • For wall strength of max. 440 mm, adjustable to 240 mm
  • With rain repelling exterior grate

 

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