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Item number: 79000352
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The Econox acoustically insulated plenum is specifically designed for even air distribution and effective sound attenuation behind an Econox ceiling diffuser. The plenum captures air from the duct and distributes it evenly across the ceiling diffuser, ensuring the air enters the space quietly and without drafts. At the same time, the internal insulation dampens the sound of the airflow, resulting in a quieter installation. With a connection diameter of 250 mm, the plenum seamlessly connects to the ceiling diffuser of the same diameter. Thanks to the 250 to 200 mm transition, you can easily connect the plenum to a smaller duct without additional adapters.
The plenum mounts directly onto a 200 mm round duct and the diffuser attaches to the 250 mm side. The compact design facilitates easy installation in modular ceilings. The removable control damper provides good access to the duct and plenum during maintenance or cleaning. This reduces service time and simplifies periodic upkeep. With this plenum, you achieve a quiet, easily adjustable air supply that integrates seamlessly with ceiling diffusers and modern ventilation systems.
The acoustically insulated Econox plenum can be used in combination with the following diffusers:
| Brand | Econox |
| Category | Plenums for adjustable perforated ceiling diffusers |
| GTIN | 8719544339225 |
| Manufacturer's item number | 78999993 |
| Article number | 78999993 |
| Category code | 59 |
| Length | 705 mm |
| Air supply | Yes |
| Width | 368 mm |
| Height | 240 mm |
| Material quality | Other |
| Embeddable in concrete | No |
| Connection main duct | Insert end |
| Max. air volume | 2520 m³/h |
| Shape of branches | Round air duct |
| With inspection opening and cover | Yes |
| Type of housing | Complete |
| Nominal duct diameter, branches | 250 mm |
| Bottom connection | No |
| Number of branches | 1 |
| Connection branches | Other |
| Nominal duct diameter, main duct | 200 mm |
| Material | Steel |
| Surface protection | Sendzimir galvanised |