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Radio-Interlinked Thermally Enhanced Optical Smoke Alarm (Thermoptek) - FireAngel WST637

Discontinued Product

This product has been discontinued.

alternative product

10 Year Radio-Interlinked Smoke Alarm - FireAngel FP2620W2-R

  • Battery: Built-in, lasts the lifetime of your alarm
  • Warranty: 5 year warranty
  • Can interlink with up to 50 Wi-Safe 2 compatible devices
  • Features a central button for test, hush and locate
  • Range of up to 35m in buildings
  • Suitable for BS 5839-6: 2019 Grade F1 installations
  • Kitemarked to EN 14604: 2005
  • Also suitable for the 2022 Scottish legislation

£63.59 inc VAT

£52.99 ex VAT

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Product Overview

The FireAngel WST637 contains an optical smoke alarm with built-in radio-frequency technology, allowing up to 50 alarms to be wirelessly interlinked and form a system. With thermally enhanced optical smoke sensing technology, the WST637 provides quick detection to slow smouldering fires, and has the added benefit of a sealed 10 year lithium battery, designed to last the life of the alarm.

Exclusive Extras from Safelincs

The FireAngel WST637 Optical Smoke Alarm Kits are supplied as standard with some exclusive extras that make purchasing these alarms easier and more cost-effective, including:

Product Features

  • Battery powered smoke alarm - 10 year sealed lithium battery
  • CE marked and LPCB tested to BS EN 14604
  • Test and hush button feature
  • Can be wirelessly linked with up to 50 radio-interlinked alarms
  • An interlinked system provides the earliest possible warning of fire
  • Radio-frequency range: 200m in free space, up to 35m in buildings
  • Fitted with a thermally enhanced optical smoke sensor
  • Quicker at detecting smouldering fires (compared to standard optical sensors)
  • Ideal for areas adjacent to the kitchen (not suitable for kitchen or garage)
  • Locate function allows you to find the alarm that activated the system
  • Suitable for installations complying to BS 5839-6: 2019 Grade F1
  • Supplied with fixings; 2 x screws and 2 x rawl plugs
Interlink

The table below shows all the units that can interlink with the FireAngel radio-interlinked series.

Alarms from the Same Series

Model Number
Type of unit
Type of interlink
WST637 Optical Smoke Alarm Radio-interlinked
WHT637 Heat Alarm Radio-interlinked

Compatible Alarms

Model Number Type of unit Type of interlink
WST-230 Mains Powered Optical Smoke Alarm Radio-interlinked
WHT-230 Mains Powered Heat Alarm Radio-interlinked

Carbon Monoxide Alarms

Model Number
Type of unit
Type of interlink
W7-CO-10X Carbon Monoxide Alarm Radio-interlinked

Ancillary Products

Model Number
Type of unit
Type of interlink
W2-SVP-630 Wireless Strobe and Vibrating Pad Radio-interlinked
W2-LFS-630 Wireless Low Frequency Sounder Radio-interlinked
Technical Data
Product Code FAWST637
Alternative Product Codes WST637, WST-637, WST630Q
Brand FireAngel
Battery Type

10 year sealed lithium battery

Dimensions (HxDia)

41x132mm

Operating Temperature

+4°C to +38°C

Relative Humidity

Up to 90%

Sound Output

85dB

Warranty

5 Years

Weight 0.27kg
Product Datasheets
FAQs (5)
Q. What sort of smoke alarm system would I need to install for a HMO?
A.

BS 5839-6 recommends that one or two storey HMOs with an individual floor area of no more than 200sqm (not the total of both floors) should have a Grade D smoke alarm system installed. Grade D refers to mains powered smoke alarms with a back up battery power supply. The alarms can be interlinked either by wire or by radio signal and the system does not require a separate fire alarm panel. For HMOs of 3 storey or higher, a Grade A panel system would need to be installed. This can cover the whole of the building, or can be used just for the communal areas with a separate Grade D system installed for the individual dwellings. For both applications, the level of cover should be a minimum of LD3 (in all escape routes) but this may change according to the fire risk assessment.

Q. Where more than one radio-interlinked battery operated smoke alarm is installed, if the battery in one alarm failed would the other alarms be affected?
A.

If one alarm was to malfunction the other units would not be affected, if it was due to alarm failure. If the fault was with the radio-interlinking signal, then all alarms that are in the chain after the faulty alarm would be affected and they would not go off.

Q. Can a smoke alarm be fitted with a sticky adhesive pad in a let property?
A.

The sticky pad is suitable for all battery operated smoke alarms. However, we cannot judge if battery alarms are suitable for your let property, as let properties usually require mains powered alarms. There is some advice to this in the governments guides to fire risk assessments. http://www.safelincs.co.uk/Fire-Risk-Assessment/ Also see the LACoRS guide for let properties.

Q. Do I need to take out all the batteries in my radio-interlinked alarms before adding a new alarm into the system?
A.

No, you do not need to remove all the batteries. Just simply press the house code button on all the units. Please ensure that the batteries have full power as this could render the house code process incomplete.

Q. If the radio interlinking signal on one unit fails will the units still work as stand alone units.
A.

Yes, should the radio interlinking signal fail the units will continue to sound independently should they detect a fire.

Key Product Features

Easy-to-use test and hush button in the centre

Powered by a sealed 10-year long life battery

Status indicator lights around the main button

Includes screws and rawl plugs for installation

What's Included?

Every FireAngel FAWST637 is supplied with the following components.

  • 1 x FireAngel WST-630 optical alarm
  • 1 x Sealed 10-year lithium battery
  • 1 x Screw fixing set (screws & rawl plugs)
  • 1 x Instruction manual

Excellent Warranty

This product is supplied with a 7 year manufacturers warranty as standard

Customer Reviews

22 customers have given this product an overall rating of 4.7 out of 5

Reviews by real customers

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

Rating: 4 / 5 Stars

Reviewed by:

Fitted and tested fine Cannot give a proper review as it's a product that has to work over a long period of time, which has not yet elapsed.

Published on: 23rd December 2018

Rating: 5 / 5 Stars

Reviewed by:

Superb product, exactly what we needed for building regulations, fast efficient service.

Published on: 6th November 2018

Rating: 5 / 5 Stars

Reviewed by:

Excellent product, pre-connection service made setup easy too. Very help assistant who helped guide me on the products available and to identify the right product.

Published on: 22nd April 2018

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