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Removal tool creates various size combinations for the majority of detectors
6ES72221HH320XB0
and IP Cameras
400 blocks
Fire Door Retainer Black Alarm System PSU Removal tool creates various sizeNow there is a way for you to keep your fire dooropen to provide easy access and to have it close reducing the risk of a potential fire spreading, with the Union DoorSense Fire Door Retainer in black. Stopping a fire door from closing can void your insurance and potentially land you in court when you use a wedge, an extinguisher, or furniture to hold it open. With this fitted, it will automatically close whenever your fire alarm goes off, or at pre