// CODE SNIPPET
28-312.4 Periodic Replacement of Smoke Alarms
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Smoke alarms required pursuant to section 907.2 of the New York City building code or sections 27-978, 27-979, 27-980 and 27-981 of the 1968 building code shall be replaced when the time elapsed since the installation of such alarm exceeds the manufacturer's suggested useful life of thealarm.
Exception: A smoke alarm installed prior to the effective date of this section and whose end of useful life is not known shall be replaced with an alarm that complies with section 28-312.5 within 7 years after the effective date of this section.
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NYC General Admin. Provisions 2014 > 3 Maintenance of Buildings > 312 Carbon Monoxide and Smoke Alarms > *§28-312.8 Location of Smoke Alarms and Smoke Detectors