- DIY & Hardware
Union DoorSense Fire Door Retainer J-8755A — Black, Battery-Powered Acoustic Hold-Open Device (EN 1155, FD120 Compliant)
Original price was: £266.33.£163.46Current price is: £163.46.The Union DoorSense Fire Door Retainer J-8755A is a battery-powered acoustic hold-open device designed for fire safety. Finished in black, it automatically releases fire doors during alarms, fully compliant with…
- DIY & Hardware
Union DoorSense Fire Door Retainer J-8755A — White, Battery-Powered Acoustic Hold-Open Device (EN 1155, FD120 Compliant)
Original price was: £266.33.£163.46Current price is: £163.46.The Union DoorSense Fire Door Retainer J-8755A is a battery-powered acoustic hold-open device designed for fire safety. Finished in white, it automatically releases fire doors during alarms, fully compliant with…
- DIY & Hardware
Union DoorSense Fire Door Retainer J-8755A — Red, Battery-Powered Acoustic Hold-Open Device (EN 1155, FD120 Compliant)
Original price was: £266.33.£163.46Current price is: £163.46.The Union DoorSense Fire Door Retainer J-8755A is a battery-powered acoustic hold-open device designed for safety and compliance. Finished in red, it automatically releases fire doors during alarms, meeting EN…


