The Comfort series ventilation valve is used for the organization of air exchange in accordance with the Europe standards and guidelines DIN EN 1946-6, DIN EN 18017-3, EnEV 2009 and 2014, “Heating and ventilation in residential and public buildings” (absolute minimum 15 m3 / h per person). A special feature of the Air-Box Comfort valve is the ability to quickly install without milling or drilling a window profile.

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