WP100 - Plenum box

The plenum box WP100 is used for installation with square or rectangular diffusers and grilles with central screw fixing. For an even air pattern through the diffuser, the plenum can be equipped with a perforated diffusor plate. Flow control is possible because of a perforated damper in the inlet spigot of the plenum. The plenum can be delivered with sideor top entry, insulated plenum boxes can be supplied if required.