The Helios ELS-GUBZL is a flush-mounted casing with a flat design, featuring an integrated fire protection encasement certified to fire protection class K90 (18017). It is designed for installation with ELS fan units in installation shafts, plasterboard systems, walls, or ceilings requiring fire protection.
Equipped with a metal discharge spigot and maintenance-free, airtight backdraught shutter made from stainless steel, the casing ensures secure airflow control. The fire protection shutter activates via a fusible link release to prevent fire spread.
This model includes a spigot on the left side for second room ventilation connection, enhancing installation versatility. The casing is rotatable by 90° to the left or right, allowing flexible positioning.
Electrical connections are made simple with a removable quick plug connector. A cardboard cover plate is included for protection during installation. Dimensions are 262 x 262 x 95 mm (W/H/D). The product holds DIBt approval No. Z‑51.1 – 193.