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Danny Seo on

Smoke alarms are essential, but when yours reaches the end of its roughly 10-year life, consider replacing it with a photoelectric model. Unlike ionization alarms, photoelectric alarms use a light sensor to detect smoke and contain none of the radioactive americium-241 found in older models. They're a cleaner choice that provides excellent protection, particularly against smoldering fires. When disposing of your old alarm, check your local guidelines for the proper method.

ANDREWS MCMEEL SYNDICATION

 


Copyright 2026 Danny Seo

 

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