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FREE NEXT DAY DELIVERY for orders over £50*, *T&Cs apply

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Battery Smoke Alarm With Hush Button - EI100S

Web Price (inc. VAT) £9.99 RRP £14.99

SKU: 009057
Part Number: Ei100SQWX

Ideal for use near kitchens, as the hush button will silence nuisance alarms from cooking etc for 10 minutes.
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For Trade Discounts, please contact us.


Description Full Description

Ionisation Smoke Alarm that runs on a 9V alkaline battery (supplied with the alarm).
Ionisation alarms gives a rapid response to fast flaming fires.

  • Hush circuit to desensitise the unit for 10 minutes.
  • High sensitivity - responds to all standard fires.
  • Dual ionisation chamber - quick response to fast flaming fires.
  • Battery powered - 9 volt (supplied).
  • Built in sounder to give a minimum sound output of 85dB(A) at 3m.
  • Bleeps every 40 seconds when battery needs replacing.
  • Easily installed - no wiring.
  • Test button simulates smoke - use to check performance at least monthly.
  • 5 year guarantee (limited).

    Technical Specification:
  • Sensor: Ionisation, uses electrically charged ions that will react to smoke particles
  • Sensitivity: Complies with BS EN14604:2005
  • Source: Americium 241
  • Airspeed: Essentially immune to the effect of airspeed.
  • Button Test: Simulates the effect of smoke and checks chamber, electronics and horn.
  • Supply Voltage: 9V battery
  • Alarm: Piezoelectric-horn in unit
  • Alarm Sound Output: 85dB (minimum) at 3m
  • Temperature Range: 0 to 40°C
  • Humidity Range: 0% to 90%
  • Fixing: Screw fixings supplied
  • Plastic material: UL94HB flame retardant
  • Dimensions: 140x120x45 mm
  • Weight: 174 gram
  • Warranty: 5 year (limited) warranty
  • Approvals: Kitemarked to BS EN14604:2005, CE Approved

Delivery - Despatch
Orders placed on Monday to Friday before 15:00 will be picked and packed for despatch on the next available working day where items are in stock (So far this year 96% of our orders have been despatched the same working day).

Orders placed over the weekend or on public holidays will be processed on the next working day (although we can often arrange Saturday and special late despatches - just give us a call).

Delivery - Costs
Orders over £50 (Inc VAT) warrant a free delivery.

 1-2 Working days

  2-3 Working days

  3-5 Working Days

          England, Wales 
       Southern Scotland
 Southern & Northern Ireland
       Scottish Highlands
 Channel Islands, Isle of Man
       UK Offshore Islands




Orders over £50 (Inc VAT) FREE

Orders over £180 (Inc VAT) FREE

Orders over £210 (Inc VAT) FREE

Our delivery methods are:

UK Royal Mail - standard delivery @ £5.99
Orders will be despatched via Royal Mail 1st Class. The parcel will not be tracked and does not require a signature at the time of delivery. Usually takes 1-2 days for delivery.

Next (Working) Day Delivery 
This option can be selected on products marked 'Available for Next Day Delivery'. If this option is chosen and the order is completed before 15:00 it will be despatched on the same day and usually delivered within 1-2 working days - providing your item is in stock.

You will receive an email confirming receipt of your order together with a tracking code if coming via DHL  - so you can follow the progress of your order or reschedule delivery.

DHL is the largest express carrier and package delivery company in the UK - so you can be sure your goods are in safe hands. The parcel will require a signature at the time of delivery.

*Free delivery is not available for orders to Northern Ireland. 

We offer a 14 Day cooling off period. If for any reason you are not completely delighted with your purchase you may download a Returns Form and return it within 14 days of receipt for a full refund or exchange (For the same item only).

Delivery costs back to us are not refundable unless there is a fault/damage with the item and it is reported within 28 days of receipt. If that is the case then please contact our sales team on 0330 900 9103. 

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Ryness Electrical Supplies Ltd, Unit 5B Sovereign Way, Botany Trading Estate, Tonbridge, Kent, TN9 1RH -