How long will you CO detectors last before they need replacing?
Thanks for posting! We recommend replacing your CO sensors about every 5 years, or if the end of life indicator comes on (yellow LED flashing 4 times a minute accompanied by buzzer chirps, once a minute) which ever happens first. The batteries are rated for 3 years but are recommended to be changed every year (low battery warning is a yellow flashing light once a minute and buzzer chirps once a minute).
SimpliSafe Home Security
sctisdale, also in addition - it is recommended that you replace smoke detectors every 10 years or so.
Both of these lifespan estimates are the same for NON Simplisafe CO and smoke detectors too.
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