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BRK 670MBX (679) Dicon Ionisation Alarm with 9V Battery Backup (81969)

230V AC. Mains-powered ionisation alarm with 9V battery backup. Can be interconnected with up to 12 alarms from the 670, 650 and 680 series. Easy to install, with pause facility to silence false alarms.

  • 85dBA Alarm
  • Mains & Battery-Powered
  • 5 Year Manufacturer's Guarantee (T&Cs Apply)

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BRK 670MBX (679) Dicon Ionisation Alarm with 9V Battery Backup is rated 4.2 out of 5 by 105.
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Rated 4 out of 5 by from Good buy This is a great value smoke alarm and comes with a backup battery. I found it a little tricky to line up with its base but that might be my peepers these days ;) and it needs a bit of a big hole in the ceiling for the square plug, but that said it's a pretty good buy. Note only 3 stars for performance and reliability because it's still new.
Date published: 2017-08-11
Rated 5 out of 5 by from Replacements Bought as replacents for time expired units backing plate and connectors all the same so it's a shame couldn't buy just the head unit
Date published: 2017-07-06
Rated 5 out of 5 by from What it does on the tin Easy to install, relatively neat, what else can you really say for a smoke head?
Date published: 2017-06-29
Rated 5 out of 5 by from it's a smoke alarm needed to renew/update my electric smoke detectors. easy to fit like for like. only just fitted them so can't comment on it's performance but as I said in my title "it's a smoke alarm" so it's doing what it's supposed to do. test works so i am happy with this product.
Date published: 2017-05-21
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Does this come prefitted with a battery

Asked by: cameo99
The BRK 670MBX Dicon Ionisation Alarm with 9V Battery Backup does come with a 9V battery within the packaging. The battery needs to be physically connected to the alarm. Pulling the red tab does not connect it.
Answered by: BRK Customer Support
Date published: 2017-07-25

How heavy is it?

Could you confirm the weight of this item please. The spec says it is 276kg. If I have to replace my ceiling with steel girders, I don't think these alarms would be worth the expense.
Asked by: SausageMuncher
The BRK 670MBX Dicon Ionisation Alarm with 9V Battery Backup weighs 235 grams.
Answered by: BRK Customer Support
Date published: 2017-08-05

Mounting Kit required?

Do I need to buy a mounting kit for this product at all? Or can it be installed without one?
Asked by: Tom83
The BRK 670MBX Dicon Ionisation Alarm with 9V Battery Backup comes with a mounting kit within the packaging box. It cannot be installed without a mounting kit. If fitted in premises such as flats where concrete ceilings can be problematic, you can also separately purchase a BRK CB232 Dicon Surface Mounting Kit.
Answered by: BRK Customer Support
Date published: 2017-08-10

how do I take cover off to change battery?

Asked by: claret1
The BRK 670MBX Dicon Ionisation Alarm with 9V Battery Backup can be taken down by twisting it anticlockwise, and the battery compartment opened at the back to replace the battery.
Answered by: BRK Customer Support
Date published: 2017-07-01

Is it BS5446 compliant?

Asked by: Mudbone
The BS5446 is the standard specification for heat alarms, and fire and carbon monoxide alarms for deaf and hard of hearing people. The 670MBX is an ionisation smoke alarm and complies with the BS EN 14604 standard, which details the requirements of performance criteria, test methods and manufacturer's instructions for smoke alarms that work using scattered light, transmitted light, or ionisation technologies.
Answered by: BRK Customer Support
Date published: 2017-06-23
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Specification
Alarm Product Type Smoke
Alarm Sensor Type Ionisation
Battery Duration Replacement Battery (Alkaline)
Brand BRK
Manufacturer Guarantee 5 Year Manufacturer's Guarantee (T&Cs Apply)
Model Name 670MBX
Model No 670MBX (679)
Pack Size 1
Pieces in Pack/Case 1
Power Source Mains & Battery-Powered
Product Type Dicon Ionisation Alarm with 9V Battery Backup
Total Product Weight 270 kg
Wireless/Wired Wired

EN 14604: 2005.

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Instruction Manual