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DorMag Pro Magnetic Fire Door Holder

fireco dormag pro magnetic door holder attached to a wooden door holding it open against a white wall

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The DorMag Pro is an electromagnetic fire door holder designed for doors up to EN power size 5 and forms part of Fireco’s Pro Fire Door Retainer System. Connected via the ProHub panel, it allows fire doors to be held open legally while ensuring automatic release and safe closure in an emergency.

By improving ventilation, air quality, and temperature control, the DorMag Pro enhances ease of movement throughout a building, supporting accessibility for children, older people, and those with mobility impairments. Its high level installation helps reduce the risk of tampering, making it ideal for schools, hospitals, and other high traffic public or commercial buildings.

  • Allows fire doors to be legally held open with magnetic 'hold and release' technology
  • directly connects to the existing fire alarm panel – no risk of false activations from ambient noise
  • Ideal for large noisy premises and public buildings with high levels of foot traffic
  • Suitable for high-risk zones, including corridors, stairwells, and kitchens
  • enables remote system management, monitoring system status from anywhere
  • Powered by 4.5V Li/FES2 battery pack
  • 2-year warranty as standard
  • Suitable for heavy fire doors up to EN power size 5
  • Tested and certified to BS EN 1634-1 on FD30 doorsets
  • Suitable for installations conforming to BS 7273-4: 2015 Critical (Category A)
  • Capable of connecting 500 devices in one system

To ensure that your system has been optimised for your individual setting, we carry out a

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Technical Data

Technical Data

Product Code FCDMPRO
Brand Fireco
Manufacturer's Part Number 448-1259
Activation Fire Alarm Signal
Approvals & Markings CE Marked
UKCA Marked
Battery Type Lithium
Colour Black
Grey
Compliance BS 7273-4 - Category A
BS EN 1155
EMC
EN 1634-1
Connection Wireless
Equipment Type Door Retainer
Fixing Options Screws (included)
Wall Mounted
Hold Open Angle Fully Open Position Only
Material ABS Plastic
Power Size EN 5
Power Type Battery Powered
Radio Frequency Range 30 Metres
Recyclable Partially Recyclable
Suitability 30 Minute Fire Doors
Indoor
Warranty 2 Years
Dimensions (Unit)
  • Height: 112mm
  • Width: 112mm
  • Depth: 53mm
Weight 520g
Datasheets
How it works

How it works

\"Fireco

Fireco ProHub

At the centre of the system is the Fireco ProHub, which remains in constant radio contact with all connected Dorgard Pro retainers and Freedor Pro free-swing closers, allowing it to monitor their battery status and alert you of any faults. An annual subscription to the InSite Site Manager cloud based remote management system gives you the ability to check the system status from anywhere. The ProHub is hardwired directly to your existing alarm panel and will send a signal to all Pro Range units wirelessly connected to the system when the fire alarm activates.

Upon receiving the signal from the ProHub the Pro Range retainers and closers will release, ensuring that your fire doors can close and prevent the spread of fire. There are two models of ProHub: 240V mains with optional backup battery, or Power over Ethernet (PoE).

\"Dorgard

Dorgard Pro Fire Door Retainer

A key component of Fireco\'s Pro Fire Door Retainer system are Dorgard Pro fire door retainers, which incorporate the latest components and technology. Available in black or white, the Dorgard Pro fire door retainer is constructed from tough and durable, impact resistant ABS plastic. Each unit is fitted with energy efficient elements, which enables the Dorgard Pro to last 1 – 2 years on a single set of batteries.

\"Freedor

Freedor Pro Overhead Fire Door Closer

A completely wireless and battery operated free-swing fire door closer, the Freedor Pro takes the weight off and allows doors to be moved freely, and left open at any angle. This allows freedom of movement around a building for all occupants, but is especially beneficial to the mobility-impaired, children, and older people as closing a door for privacy no longer means struggling to open it again later. Available in silver, brass, gloss white, and matte black finishes.

\"DorMag

DorMag Pro Magnetic Fire Door Holder

The newest component of Fireco\'s Pro Fire Door Retainer system, DorMag Pro units use magnetic \'hold and release\' technology to legally retain fire doors, while ensuring that they will deactivate to close the door in the event of a fire. These units rely on radio technology for emergency deactivation, preventing false activations from ambient sounds. Installation at the top of the door reduces the risk of tampering in public buildings. These units are constructed using durable ABS plastic, and can retain fire doors up to EN power size 5.

\"Fireco

Fireco ProExtender

In a typical building the Fireco ProHub has an impressive 40-50m range, though the exact range will be influenced by the construction and function of your building. Our engineer will be able to assess the range of the transmitter within your premises, making recommendations bespoke to your requirements. The system\'s range can be increased on larger sites by adding Fireco ProExtender units. Up to 8 ProExtender units can be included in a system, with up to 64 Dorgard Pro and Freedor Pro units being interconnected into the system per ProHub / ProExtender. A maximum of 500 Pro Range retainers and closers can be connected and controlled by the system.

\"Dorgard

Installation

Once your Fireco Pro Fire Door Retainer system has been designed by our trained specialist, one of our engineering team will book a date of installation that is convenient for you. The engineer will attend your site, installing your full system and testing it thoroughly to ensure everything works as it should.

After the Fireco Pro Fire Door Retainer system is installed, there is minimal maintenance required: a simple glance at the InSite Site Manager web portal will show you the current status of your system and give you peace of mind that all connected Dorgard Pro and Freedor Pro units are powered and connected.