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Mains Powered Heat Alarm with Alkaline Back-up Battery - BRK 690MBX

In Stock
£20.99 ex VAT
£25.19 inc VAT
Product Overview

Ideal for areas where a standard smoke alarm would be unsuitable, the BRK 690MBX is a mains powered heat alarm designed to detect rapid increases in room temperature. Kitemarked to the latest standards and with a 5 year manufacturers warranty, the BRK 690MBX also benefits from multi-alarm interlink feature, meaning that it can be hard wire interconnected with up to 12 compatible smoke and heat alarms within a system.

  • 230V mains powered heat alarm
  • 9V alkaline back-up battery (included)
  • CE marked and Kitemarked to BS 5446-2
  • 5 year manufacturers warranty
  • Suitable for installations complying to BS 5839-6: 2013 Grade D, E and F
  • Ideal for kitchens and garages where a smoke alarm would be unsuitable
  • Monitors rate of increase in room temperature
  • Up to 12 600MBX series smoke and heat alarms can be hard wire interconnected
  • An interlinked system provides the earliest possible warning of fire
  • Test button facility
  • Supplied with fixings; 2 x screws and 2 x rawl plugs

The table below shows all the units that can interconnect with the BRK mains powered smoke and heat alarms.

Alarms from the Same Series

Model Number Type of unit Type of interconnection
670MBX Ionisation Smoke Alarm Hard wire interconnect
660MBX Optical Smoke Alarm Hard wire interconnect
690MBX Heat Alarm Hard wire interconnect
Technical Data

This is the technical data for the Mains Powered Heat Alarm with Alkaline Back-up Battery - BRK 690MBX.

Product Code BK690MBX
Weight 0.27kg
Dimensions (HxDia) 58x140mm
Sound Output 85dB at 3m
Back-Up Battery 9V alkaline
Operating Temperature +5 °C to +38 °C
Relative Humidity 10% to 85%

Technical Data Sheets

The following technical data sheets are available for this product:

Pricing & Availability

Model Stock Levels Price Weight
Product Code: BK690MBX
In Stock

£20.99 ex VAT

£25.19 inc VAT


Customer Reviews

1 customers have rated this product and it has an overall rating of 4 out of 5

All our reviews are written by real customers that have purchased this product from us and are publsihed without modification.

4 / 5 Stars

Reviewed by: RA

A little pricey but a great product, you get what you pay for.

Published on: 24th December 2015

Delivery Options

The following delivery options are available on this product.

Economy Delivery

Delivered in 2-3 working days by Royal Mail from £3.90 ex VAT - More info

Next Day Delivery

Delivered the next working day by UK Mail from £6.50 ex VAT - More info

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