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- Integrated Thermal Sensor Patented, three-position test switch Includes 90 dB piezo solid state non-latching horn Nominal 2.5% sensitivity 5:1 signal-to-noise ratio Solid State LED condition indicator
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Designed for single station, tandem and specialty applications in homes, commercial residential occupancies, apartments, hospitals and hotels in compliance with UL 217, UL1730 and NFPA 101 (76.2.9) occupancies. Exclusive, patented 3position test switch simulates .85#37 and 3.4#37 smoke conditions per NFPA 72 CUL 217 and UL 1730 standards.The Integrated Thermal Sensor turns on the horn sounder when smoke or heat is detected.