Union DoorSense Fire Door Acoustic Release Hold Open Unit Black

Product Description

Union DoorSense Fire Door Acoustic Release Hold Open Unit Black

• High Quality Union Doorsense Acoustic Hold Open Door Release
• Acoustic release door hold open device
• Suitable for use in conjunction with size 3 to size 7 door closers
• Suitable for doors up to 160Kg and 1600mm width
• Fire rated for timber (FD120) fire doors
• Low battery indicator for easy monitoring
• Can be used manually or automatically via a timer to set a night release
• Release sensitivity can be adjusted to suit your environment
• Automatically releases with sounds greater than 80dB and longer than 15 seconds
• Fail safe mode automatically releases DoorSense
• Curved fire retardent casing deflects impact and deters day to day damage
• Robust and practical