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Union Doorsense Acoustic Fire Door Release Device White
UNION DoorSense is a standalone unit which can be fixed to a fire door in seconds to provide a reliable way to keep it open but will automatically release if the fire alarm sounds. DoorSense is incredibly easy to install, needing no wiring or spec... |
£224.95 More Information |
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Union DoorSense J-8755 Acoustic Release Hold-Open Unit Red
Holds the door open, but releases upon the sound of a fire alarm being activated. Timer included for automatic closing. Completely retrofits similar products. Maximum Door Weight 160kg Battery-Operated For Internal Use Easy to Install No Wiring Required... |
£127.99 More Information |
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Union DoorSense J-8755A Acoustic Release Hold-Open Unit Black
Holds the door open, but releases upon the sound of a fire alarm being activated. Timer included for automatic closing. Completely retrofits similar products. Maximum Door Weight 160kg Battery-Operated For Internal Use Easy to Install No Wiring Required... |
£127.99 More Information |
