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Smoke alarms have limitations. EchoAlert® system including
smoke alarm is not fool proof and does not guarantee to protect
lives or property from fire. Smoke alarms are not an insurance
substitute.
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EchoAlert® system including smoke alarm must be tested weekly.
If any faults found or it does not operate properly you must
replace it immediately. Do not use faulty unit as it may not alarm
you in case of fire.
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Smoke alarm must be replaced every 10 years.