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Thorn Security 811PH MX Optical Smoke and Heat Detector
Thorn Security 811PH MX Optical Smoke and Heat Detector

Thorn Security 811PH MX Optical Smoke and Heat Detector

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Discover the Thorn Security 811PH MX, a reliable EN54-compliant optical smoke and heat multi-sensor detector. Designed for addressable fire alarm systems using the Tyco MX digital protocol for fast, accurate fire detection and reduced false alarms.
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