Call Us FreePhone
0800 321 3145
Every Call Answered

Providing a safe and legal method of holding open a fire door to provide access, the Union DoorSense Fire Door Retainer is the perfect solution for schools, hospitals, nursing homes, and other public buildings. Unlike door wedges, this will ensure an open fire door will is closed at the first signs of a fire emergency. Working with your existing fire alarm system, the wireless fire door holder unit is constantly listening out for your alarm and will automatically release with sounds greater than 80dB which carry on for longer than 15 seconds.

With release sensitivity which can be adjusted to suit your environment, it’s been sound tested of 50,000 times and features a timer which can be set to automatically release the fire door holder, which is ideal for when the building is shut at night. Powered by two C-type batteries with a life expectancy of over 1 year, which are included, it has a low battery indicator and includes a failsafe mode which automatically releases the door.

Produced by Union, the world-renowned lock maker and sister company of Yale, the wireless fire door retainer is robust and practical, the curved design deflects impacts and keeps it looking smart. The fire retardant red casing is suitable for timber fire doors and provides fire resistance up to 120 hours, is CE Marked, tested and certified to BS EN 1155:1997, and comes with a two-year manufacturer’s guarantee.

Suitable for doors up to 160kg and 1600mm wide, it must be used in conjunction with a size 3 to 7 door closure. Quick and easy to install, it retrofits previously installed door release units requiring no electrical wiring. The holder fits with four screws to the door, with the floor plate needing another four. To operate, simply open the door to the floor plate and push the foot plunger down.

The Union Wireless Fire Door Holder is also available in Black.


Product Data Sheets

PDF downloadUnion Wireless Fire Door Holder Data Sheet

  • Includes, Union Wireless Fire Door Holder, all fixings, optional floor plate, adjuster tool, fixing template
  • Union Wireless Fire Door Holder is accepted by UK Fire Authorities and has been tested to and complies with BS EN 1155: 1997 and FD120
  • Colours - black and red
  • Height 207mm (152mm to top of main housing)
  • Width 194mm
  • Depth 39mm
  • Weight 0.94kg
  • Batteries - 2 x C size (included)
  • Manufactured in the UK by Union (Assa Abloy)
Customer reviews
There are no comments yet. Be the first to leave a comment
Please sign in to add review

Union DoorSense Fire Door Retainer Red

    • Model number:
    • £86.97 ex. VAT
      £104.36 inc. VAT
      SAVE £28.74 (25%)
    Buy more for less:
    1-2 items £86.97 / each  
    3 or more items £85.97 / each save 1%
    5 or more items £84.97 / each save 2%
    10 or more items £82.97 / each save 5%
    • In stock (999863 items available)
    • Never Beaten on Price
    • 100-day Free Returns
    • Spend £60 + vat for Free Delivery Next working day if ordered before 2pm
    Not rated yet

    Customers also Bought