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the 4WT-B offers intelligent features such as drift compensation
Simplex 4098-9402 Lifealarm Heat Detector 135 Rate of Rise Direct
Fire Label
Simplex 4905-9994 Cover
VESDA OSE-SPW Standard Base Emitter
System Sensor P2RH-LF Low Frequency Sounder Strobe BG-12LX the 4WT-B offers intelligent featuresSystem Sensor P2RH LF 2 Wire Low Frequency Sounder Strobe, High cd, Red The product was designed to meet the NFPA 72 sleeping space requirements that require a low frequency notification appliance. The P2RH LF operates within the frequency range of 520 Hz + 10% and has a square wave tone. The device is tamper resistant, with a plug in design that minimizes intrusion into the back box, making installation fast and foolproof while virtually eliminating