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Espire Smoke, Heat & Carbon Monoxide Alarms

Espire is a domestic fire and carbon monoxide safety range — smoke, heat and CO alarms, multi-sensor units, and the modules that link them together. From a single sealed alarm to a fully interlinked home, it spans battery and mains models for both retrofit and new-build installations.

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The Espire alarm range

Espire covers the essentials of domestic fire and carbon monoxide safety: optical smoke alarms, heat alarms, carbon monoxide alarms, and multi-sensor units that combine two forms of detection in one housing. Alongside the alarms sit the parts that turn them into a system — RF interlink modules, relay and RF relay bases, remote controllers, and fitting accessories such as masking plates and installation tools. The alarms are finished in white, and most are designed to be fitted once and left in place for their full working life, with no routine battery changes to manage.

Smoke, heat or carbon monoxide — which alarm goes where

Optical smoke alarms are the standard choice for escape routes, landings and living areas, where detecting smoke early matters most. Heat alarms suit kitchens, garages and lofts, where cooking fumes, dust or steam would cause a smoke alarm to sound falsely — they respond to a rise in temperature instead of smoke. Carbon monoxide alarms belong wherever there is a fuel-burning appliance, such as a boiler, stove or open fire, since carbon monoxide is colourless and odourless and cannot be detected without one. Where you want to cover more than one risk from a single point, the multi-sensor units pair smoke-and-heat or carbon-monoxide-and-heat sensing in one alarm.

Sealed 10-year or mains-powered

Most of the range runs on a sealed, non-replaceable 10-year lithium battery, so there are no batteries to change and no wiring to run — you fit the alarm and it works for its full service life. The mains-powered models run from a 230V supply with a 10-year lithium backup, keeping cover through a power cut, and suit new-build and rewiring projects where a fixed supply is specified. A small number of mains models use a replaceable 9V backup battery in place of the sealed cell. Whichever you choose, the sensing and interlinking work the same way.

Interlinking — wireless and wired

Interlinked alarms sound together, so a warning triggered downstairs is heard upstairs — a legal requirement in Scotland and sensible practice in any home with more than one floor. Espire alarms interlink wirelessly over RF once you add the ES1RF or ES1RF2 module, connecting up to 28 devices at a range of around 100m in open field. The mains models also support traditional hardwired interconnect between units. However they are linked, when one alarm in the group detects smoke, heat or carbon monoxide, every alarm in the group sounds.

Standards and installation grades

The range is built for installation in homes to BS 5839-6, the British Standard covering fire detection and alarm systems in domestic premises. Battery-powered alarms carry a Grade F rating and mains-powered alarms a Grade D rating, and the installation grade — for example F1 or D1 — sets out where and how the alarm should be fitted for a given property. If you are specifying for a rented home or a new build, check the grade of system the property is required to have before you choose.

Modules and accessories

Beyond the alarms, the range includes the parts that complete an installation. RF modules add wireless interlinking to the alarms, while relay and RF relay bases let a triggered alarm switch an external device such as a warning light or auto-dialler. Remote controllers and control switches let you test and silence a linked system from one point, and fitting accessories — masking plates to keep alarms clean during building work, and multi-tools for installation — cover the practical side of getting a system in and maintained.

Frequently Asked Questions

How do I choose between a smoke, heat and carbon monoxide alarm?
Fit optical smoke alarms on escape routes, landings and in living areas; heat alarms in kitchens, garages and lofts where a smoke alarm would sound falsely; and a carbon monoxide alarm near any fuel-burning appliance. Where you want cover for more than one risk from a single point, choose a multi-sensor unit that combines two forms of detection.

Where should I fit a heat alarm instead of a smoke alarm?
In rooms where cooking fumes, dust or steam are common — kitchens, garages and lofts. A heat alarm responds to a rise in temperature rather than smoke, so it avoids the false alarms a smoke sensor would give in those spaces.

Do I need to change the batteries?
On the sealed models, no — they use a non-replaceable 10-year lithium battery that lasts the working life of the alarm. The mains models add a 10-year lithium backup, and a small number use a replaceable 9V backup battery instead.

Can I link Espire alarms together?
Yes. They interlink wirelessly over RF using the ES1RF or ES1RF2 module, connecting up to 28 devices, and the mains models also support wired interconnect. When any alarm in a linked group is triggered, they all sound.

What is BS 5839-6 and what grade do I need?
BS 5839-6 is the British Standard for fire detection in homes. Battery alarms are Grade F and mains alarms Grade D; the grade you need depends on the property, as rented homes and new builds have their own requirements. Check what is specified for your installation.

How do I test an Espire alarm?
Press and hold the test button on the alarm until it sounds, which checks the sensor, sounder and battery. Test regularly — monthly is the common recommendation — and again after any building work that may have created dust.

Are these alarms mains or battery powered?
The range includes both. Battery models use a sealed 10-year lithium cell, while mains models run from a 230V supply with battery backup. Choose battery for a straightforward retrofit, or mains where a fixed supply is specified.

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