HM-SN-1

Specification 10 Year Kitchen Heat Alarm, Mains Powered

Product description

Designed with installers in mind, this compliant, flexible, easy to fit range delivers advanced sensing technology including Smart RF interlink ensuring your domestic installations are safe for years to come.

Our mains powered Specification heat alarm also comes with a 10 year sealed life battery as standard, provides class A1 heat detection (54°C-65°C), and has been designed with a unique Thermistek heat sensing technology combined with a patented radiant heat dish, high performance thermistor and predictive monitoring to ensure a quicker response to kitchen fires.

Mains powered with sealed 10 year lithium battery back-up
For use in kitchen, garage and loft
Provides class A1 heat detection (54°C-65°C) and features Thermistek technology, with a unique radiant heat dish, for a faster response to fire
BS 5446-2:2003
Compatible with our Connected Home Solution, with a Gateway added to the network
Create a network with Smart RF – Fit a Smart RF Module for wireless compatibility to interlink multiple Specification alarms
Supplied with a dust cap to prevent dust or paint entering a device during installation or building projects to maximise longevity of the alarms
Our FireAngel Specification range sets the standard for performance, meets current legislation and fulfils the needs of all domestic projects for social housing

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Resources

For more technical and specification information on this alarm, view our manual and datasheet.

Product manual

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Datasheet

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Related FAQs

Where should I install FireAngel heat alarms?

Heat alarms, like the Thermistek Heat Sensing Alarm, are ideal for kitchens, garages, or unconverted lofts. These areas benefit from the reduced likelihood of false alarms caused by fumes or dust.

When is a Grade D1 system required?

A Grade D1 system is required for:

New or materially altered dwellings, up to three storeys with no floor exceeding 200 m2.
Existing dwellings with poor or inadequate fire protection, up to three storeys with no floor exceeding 200 m2.
Individual dwelling units of two or more rooms in Houses in Multiple Occupation (HMOs) of one or two-storeys, with no floor exceeding 200 m2.

There are three Levels of Detection (LD). Generally the greater the fire risk the more comprehensive the system should be.

LD1 = Maximum Protection. Alarms in all circulation spaces that form part of escape routes and all areas where a fire might start.

LD2 = Medium Protection. All circulation spaces and escape routes (e.g.hallways and landings) are covered together with a provision of higher fire risk areas (e.g.kitchen and living rooms).

LD3 = Minimum Protection. Alarms in all circulation spaces that form part of escape routes.

* Ensure that a Grade D1 system is adequate for the dwelling you are installing the alarms in. You can obtain further information from your local fire service or building control department at your local council offices.

What are the latest BS 5839-6:2019 system grades?

Whilst BS 5839‑6 has previously been split into six varying Grades, each outlining the level of protection appropriate for certain properties and their corresponding levels of risk, the new update has altered the six sections, removing Grade B and Grade E, whilst Grade D and Grade F have been split into Grade D1 / Grade D2 and Grade F1 / Grade F2 respectively. Grade C has been revised and its recommendations expanded.

The 2019 grading system is as follows:

Grade A

Separate detectors, sounders and central control and indicating equipment with back-up power supply that conforms to British Standards BS EN 54.

Grade C

Separate detectors and sounders that are mains powered with back-up power supply and central control equipment.

Grade D1

A system of one or more mains powered detectors, each with a tamper‑proof standby supply consisting of a battery or batteries (such as FireAngel’s SM-SN-1 and HM-SN-1 alarm).

Grade D2

A system of one or more mains-powered detectors, each with an integral standby supply consisting of a user‑replaceable battery or batteries. (such as FireAngel’s SW1-PF-T and HW1-PF-T alarm).

Grade F1

A system of one or more battery-powered detectors powered by a tamper‑proof primary battery or batteries (such as FireAngel’s ST-622T, ST-750 alarm).

Grade F2

A system of one or more battery-powered detectors powered by a user‑replaceable primary battery or batteries. (such as FireAngel’s SB1-T alarm).

Please note: Grades B and E are no longer defined in BS 5839-6:2019.

How does wireless interlinking work in FireAngel alarms?

FireAngel Smart RF technology allows alarms to communicate wirelessly. When one alarm detects a hazard, all interconnected alarms will sound simultaneously, ensuring full-home coverage.

If you choose not to add a Gateway upon initial installation, you can add a Gateway to an existing network at any time in the future – this will allow for remote monitoring of devices as the Gateway will communicate with the FireAngel App using an internet connection, however, if the internet connection fails or cuts out the alarms will still continue to work and protect property, no internet connection means you will no receive any push notifications whilst the internet is not working.

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Extend Your Protection

Smart RF Technology: When one alarm sounds, they all sound. Our Specification range features Smart RF technology, allowing easy setup of wireless or hybrid networks of mains and battery devices for full property protection. Specification products offer three levels of unrivalled protection, the range can be upgraded at any time to meet tenant needs or new regulations, setting the standard for performance.

Consider a connected solution: Add a Connected gateway to the Specification range, offering 24/7 remote monitoring. Designed for social housing or private landlords to ensure maximum protection and compliance across a property portfolio. The free FireAngel app provides real-time updates and notifications without needing property access. We have safety solutions for every need.

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