Photoelectric Smoke Detectors. 135°F (57°C) fixed temperature heat sensor option. Exclusive (patented) smoke chamber design provides: maximum smoke detection, exceptional resistance to dust, insects, ...
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6 Types of Smoke Detectors for Your HomeWhen smoke enters the detector, it disrupts the flow of current ... $32.26 at Amazon $32.26 at Amazon Photoelectric smoke alarms work best on smoldering fires, or fires that take a long time ...
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