EAN: 5708605005677

TELESCOPIC VALVE TYPE 400 Ø105 MM GREY

With a telescopic valve  you get a complete solution for natural ventilation in your home. A
complete telescopic valve with sound-insulated wall feed-through  insect net  external gray 
red or white louvre grille  internal white wall valve with cord pull  dust filter and
condensation-insulated lid. Used for wall thicknesses from 260-400 mm. Can be extended with a
20 cm. extension tube. Sound attenuation in the closed position is 45 dB and in the fully open
position is 26 dB. Note during installation: It is best to install telescopic valves in the
outer walls - approx. 100 mm from ceiling. There should be two valves per room  depending on
the size of the room. The valves must always be placed opposite each other so that the air
circulation proceeds effortlessly. If possible  the valves should be placed on the west and
east sides of the house  since the wind in Denmark mainly comes from the west.

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