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UNION Automatic / Acoustic Fire Door Release Device with Timer Function (White)

UNION Automatic / Acoustic Fire Door Release Device with Timer Function (White)


DoorSense is a standalone door release unit which can be fixed to a fire door to provide a reliable and legal way to keep it open - but will automatically release if the fire alarm sounds, or at a set time as set on the timer (Timer settings: 9pm, 10pm or 11pm only). 


Unlike a door wedge, DoorSense releases an open door when the fire alarm sounds, allowing it to be closed. CE Marked to EN 1155 and fire rated (FD120) for use on timber doors to give installers and end users peace of mind.


Simple and Easy to install - no wiring or specialist skills needed. Simple, clear instructions with a template provided. Powered by two C-type batteries (included) with charge indicator for peace of mind. Can be released manually, by sound or with the built-in timer at a pre-set time.


Versatile and Ideal for any large or small applications where fire doors are installed including care homes, schools, public buildings, etc.


Watch the Union Doorsense Video Demonstration


In Stock

Fast Delivery: 1-2 Business Days

VAT will be calculated at the checkout


  • Delivery Times

    In most cases this item will be dispatched on the same day when ordered before 1pm.

    You can expect to receive your order within 1-2 business days.
  • Delivery Prices

    Orders under £10.00 = £6.50
    Orders between £10.00-100.00 = £5.50
    Orders over £100.00 = Free Delivery

    All orders are dispatched from within UK
  • Contact Us

    Here at THM we are dedicated to helping you find the product that's right for you. Feel free to contact us - we'll be happy to help.

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