The Union Assa Abloy acoustic hold open door release device holds the door open until a fire alarm sounds when it will release the door letting it close and is suitable for use with size 3-7 door closers.
The Union Assa Abloy acoustic hold open door release device holds the door open until a fire alarm sounds when it will release the door letting it close and is suitable for use with size 3-7 door closers.
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Description
The Union Assa Abloy acoustic hold open door release device holds the door open until a fire alarm sounds when it will release the door letting it close and is suitable for use with size 3-7 door closers.
Additional information
Black
ASSA