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System Sensor
PC2RHK
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Gas/Smoke Detection Accessory, 12/24Vdc Operating Voltage, 2-Wire, Red SpectrAlert Advance Outdoor Ceiling Mount Horn and Strobe marked with FIRE, Adjustable High Candela Setting, and Plastic Weatherproof Back Box
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System Sensor
PC2RK
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Gas/Smoke Detection Accessory, 12/24Vdc Operating Voltage, 2-Wire, Red SpectrAlert Advance Outdoor Ceiling Mount Horn and Strobe marked with FIRE, Adjustable Standard Candela Setting, and Plastic Weatherproof Back Box
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