Extract air box - for valve
Extract air boxes for mounting round extract air valves. It is important to place the valves, so they extract as much humidity as possible from rooms with regularly high humidity levels.
The extract air boxes are delivered ready for installation in the ceiling or in the wall. They are available with 1, 2 or 3 spouts depending on the air volume required.
Pressure loss for extract air boxes for valves
Blue curve: 1 connector
Red curve: 2 connectors
Green curve: 3 connectors
We recommend max. 30 m3/h per connector.