What is the Difference Between Ionization and Photoelectric Smoke Alarms?

There are two main types of smoke alarms – ionization and photoelectric. Learning the difference can help you make the best choice for home or business.
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The Kidde PI2010 is a 120-Volt AC, wire-in smoke alarm with 9-Volt battery backup. This smoke alarm functions as a stand-alone unit or in an

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Photoelectric vs. Ionization Smoke Detectors: What Are the Differences?

Ionization vs. photoelectric smoke detectors: What's the difference?

While all smoke alarms are designed to detect smoke, different sensing technologies react differently to certain types of fires. The Fist Alert SA3210

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