WINDOW VENT FRESH F31

Adjustable slot valve, for example for installation above a window frame. The external design of the F31 slot valve prevents water ingress. Install into the window frame by drilling holes or milling a continuous opening. Installation either surface-mounted or recessed.

The incoming air flow of the F31 slot valve, or window valve, is continuously adjusted via the front panel slider. The F31 is suitable for all houses and apartments with gravity ventilation or mechanical exhaust ventilation. The package includes the external unit and the internal valve. Internal unit dimensions: width 368 mm, height 16 mm, depth 17 mm. The external unit features a drip guard and a mesh for insect filtration.

To facilitate installation, the package includes a drilling template; a metal drilling template is also available as an accessory (8823754/320020). Air ducts are created by drilling: 27 holes of Ø10 mm, 20 holes of Ø12 mm, or a single opening of 330x10 mm. Airflow capacity: 5.0 l/s with holes, 7.0 l/s with the opening.

This product description is an automated translation of the original Finnish description.