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Discontinued FireAngel Smoke Alarm Replacements

FireAngel have discontinued a number of their smoke alarms including the popular SI610, ST620, and ST622 models. Easily replace these FireAngel alarms with the FireAngel FA6120-INT Smoke Alarm. The FA6120 fits onto the same base plate without needing any tools, making the switch over very simple.

Use our quick reference guide below to check whether your model is compatible:

Discontinued Smoke Alarm Description of Old Smoke Alarm Replacement Smoke Alarm Description of Replacement Alarm

ST622 or ST-622

10 Year Thermally Enhanced Optical Smoke Alarm - FireAngel ST-622

Optical smoke alarm with longlife battery FireAngel FA6120-INT Optical Smoke Alarm with Lithium Longlife Battery

ST620 or ST-620

10 Year Combined Optical Smoke and Heat Alarm - FireAngel ST-620

Optical smoke alarm with longlife battery FireAngel FA6120-INT Optical Smoke Alarm with Lithium Longlife Battery

SI610 or SI-610

10 Year Ionisation Smoke Alarm - FireAngel SI-610

Ionisation smoke alarm with longlife battery FireAngel FA6120-INT Optical Smoke Alarm with Lithium Longlife Battery

SO601 or SO-601

9V Optical Smoke Alarm - FireAngel SO-601

Optical smoke alarm with alkaline battery FireAngel FA6120-INT Optical Smoke Alarm with Lithium Longlife Battery

SI601 or SI-601

9V Ionisation Smoke Alarm - FireAngel SI-601

Ionisation smoke alarm with alkaline battery FireAngel FA6120-INT Optical Smoke Alarm with Lithium Longlife Battery

 

How to replace a FireAngel smoke alarm

Replace discontinued FireAngel smoke alarms including the popular SI-610, ST-620, and ST-622 alarms with the FireAngel FA6120-INT. This alarm uses the same base plate as the old models, so it simply twists on to the existing FireAngel base on your ceiling. This easy fix means there is no need to drill any new holes or redecorate to hide marks where the base plate used to be.

Can you change the battery in a FireAngel smoke alarm?

The FireAngel ST-622, ST-620 and SI610 alarms all have lifetime batteries that cannot be replaced. The batteries in these alarms last for 10 years and after this time, the complete smoke alarm should be replaced. These FireAngel alarms are now discontinued but you can easily replace these models with an UltraFire Longlife Smoke Alarm Kit that fits onto your original FireAngel base.

The FireAngel SI-601 and SO601 smoke alarms have batteries that can be replaced. The alarm will alert you with a low battery warning. The SI-601 and SO-601 alarms last for 10 years and after this time the complete smoke alarm should be replaced. As these models are now discontinued, you can purchase a FireAngel replacement alarm that fits on to your original FireAngel base.


 

Reviewed: 04/01/2023 (doc:525 V2.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.

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