Another alternative to replace your FireAngel ST-622 or ST-620 smoke alarm, is the FA6615-R optical smoke alarm with a 5 year battery.

This alarm features optical sensing technology, is certified to the European Standard EN 14604 and is perfect for landings, hallways and bedrooms. sensor life Continuous monitoring of carbon monoxide Multi-function green and red LEDs to indicate power and alarm status 10 year electro-chemical sensor Test/Reset button to allow regular testing of alarm function Battery . Common sources of CO include ovens, boilers, BBQ's, open and solid fuel fires, gas or paraffin heaters . A quiet self-test allows you to ensure your alarm is working, without disturbing anyone else with a loud alarm.

The law and recommendations for the number of smoke alarms required are specific to the area you live in and your property type. If you’re installing the alarm on a ceiling, then it should be at least 300mm from light fitting and walls – if possible in the centre of the room. The sensor within the unit will deteriorate after 10 years, so to ensure you’re protected we recommend you replace the unit after this time.

Install smoke detectors along with heat detectors and carbon monoxide detectors to ensure complete protection for your home. All our alarms are subject to third-party testing and certification, giving you peace of mind protection.

After fitting the alarm to the base plate, wait for 5 seconds for the alarm to settle, then test the alarm. We recommend a heat alarm is fitted in the kitchen, but you can also fit additional heat alarms in the garage and loft to protect these areas. Press the large testing button once to activate a quiet self-test without disturbing your neighbours, or double press the large button to activate a test at full alarm volume. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. We recommend you install Smoke Alarms alongside Carbon Monoxide (CO) Alarms and Kitchen Heat Alarms in your home for complete protection.