It is recommended to replace hard-wired smoke alarms every 10 years and battery-powered units every 5 years. Always remember to check your battery-powered units and replace the battery at least once a year.
Modified on: Wed, 29 Sep, 2021 at 5:10 AM
It is recommended to replace hard-wired smoke alarms every 10 years and battery-powered units every 5 years. Always remember to check your battery-powered units and replace the battery at least once a year.
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