Surface-mounted housing with maintenance-free fire protection locking device (K90, 18017) for accommodating ELS fan unit. Flat design for mounting in any position on ceiling and wall. Rear metal exhaust pipe (DN 80mm) with maintenance-free, air-tight return air flap made of stainless steel. The fire protection shut-off element is locked when a fusible link is triggered. Connection to the main line by means of a spiral duct. Convenient electrical connection through removable plug connection. Housing made of impact-resistant plastic, fire class B2, alpine white. Outlet nozzle can be changed over and casing can be rotated by 90°. Mounting is thus possible in any position even in corners of the room. Dimensions: W/H/T 250x250x130mm. General building supervision DIBt approval No. Z-51.1-193. The non-return valve on fire protection housings also meets the requirements of a cold-smoke butterfly valve.
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