Utilising FireAngel's Thermoptek thermally enhanced optical smoke sensor – the technology of choice for the UK's Fire and Rescue Service – the ST-623E is less prone to nuisance alarms caused by dust or cooking fumes and is quicker to detect smouldering fires than standard optical alarms. To aid evacuation in an emergency this product has an integrated extra-bright LED light which activates with the alarm to illuminate escape routes, making it a great choice for use in hallways or near stairs. For additional peace of mind FireAngel have also included Sleep Easy™ to silence low-battery chirps for 8 hours and Alarm Smart Silence™ so that it can still warn occupants of a real fire developing after silencing a nuisance alarm.
Battery: 2 x AA alkaline battery powered (included)
Q. Can I put my smoke alarm on the wall, or must it be mounted on the ceiling?
The best location to install your smoke alarm is in the centre of the ceiling rather than on the wall. During a fire, smoke initially rises and then spreads to the sides of the room. By installing the alarm on the ceiling, this ensures that you receive the earliest possible warning of a fire.
Q. How long do smoke alarms last before needing replacement?
It is recommended that smoke alarms are replaced after 10 years. This is because the sensors in the smoke alarms become less sensitive and may not activate when a fire is present.
Q. What is the difference between an ionisation and an optical (photoelectrical) smoke alarm?
Ionisation smoke alarms detect fast flaming fires and are suitable for landings. Optical smoke alarms detect slow smouldering fires typical for burning soft furnishings. Optical alarms are suitable for living rooms and sleeping areas and are used near kitchens as they are less prone to false alarms. Please note that ionisation alarms contain a small amount of radioactivity.
Q. How long do the batteries last in smoke alarms?
The 9V alkaline batteries last 12-18 months. Lithium batteries will usually last 5x longer than their alkaline counterparts, achieving around 5 years lifetime. Some lithium cells are also rechargeable, and when used in a mains-powered alarm may last for the entire functional lifespan of the alarm. Newer alarm models may also feature a "sealed" lithium battery. These batteries are specialist components which are designed to not be removed or need replacing by the user, and have been tested by the alarm manufacturer to ensure they last for the lifetime of the alarm.
Please Note: the actual lifetime of your batteries depends on how often the alarms are tested or activated, as sounding the alarm draws more power than when the alarms are "waiting" to detect fire. You should also read your alarm's manual to make sure you only use the recommended types and brands of batteries, as failing to follow these instructions may cause the alarm to malfunction, not alerting you in the event of a fire, and might also invalidate the warranty.
Q. How do I safely dispose of my old smoke alarms?
Safelincs is signed up to Valpak's WEEE (Waste Electrical and Electronic Equipment) Distributor Take-Back Scheme (Registration ID: 7370). Private households can therefore drop off their electronic and electrical fire safety waste at their municipal recycling centre when they are purchasing new products from us. To find your nearest recycling centre, please visit www.recycle-more.co.uk.
The following delivery options are available on this product.
£4.79 inc VAT
- Orders will be delivered in 3-5 working days by Hermes
£7.91 inc VAT
- Orders will be delivered in 1-2 working days by Hermes
This product is supplied with a 5 year manufacturers warranty as standard
1 customer has given this product an overall rating of 5 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: 5 / 5 Stars
Reviewed by: L O
A good product with a replaceable battery
Fed up with smoke alarms that come with non replaceable batteries that only last half the time they are supposed to. This was a perfect find. Good value for money.