Union Doorsense Acoustic Release Hold Open Unit Black Japanned J-8755A-BLACK

DoorSense holds your fire doors open, improving access around your building. If the fire alarm sounds, DoorSense automatically releases to let the door close.* It is CE Marked to EN 1155, EMC tested and fire rated for timber doors (FD120) - legally allows fire doors to be held open for easier access. Sound tested over 50,000 times - beyond legal standards, so you can depend on it working and quick and easy to install with no secondary installation costs, such as electrical wiring, and retrofits existing products. A separate door closer must be installed. It is recommended DoorSense is used in conjunction with a professionally installed fire alarm system. • EMC tested and fire rated for timber doors (FD120) • 2 manufacturer's warranty CE Marked to EN 1155.