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The NFW-50X has a pre-installed communicator and supports up to 50 addressable devices in any combination of detectors or modules
First Alert AUTOMAR10 Rechargeable Auto Marine Fire Extinguisher UL Rated 10-B:C 2
certain modules or applications may not be listed by certain approval agencies
Silent Knight WSK-MONITOR Swift Monitor Module
APC SL-2000-P Photoelectric Duct Smoke Detector System Sensor SMB500-US The NFW-50X has a pre-installedAir Products and Controls SL 2000 P Photoelectric Duct Smoke Detector, 4 Wire, Universal Voltage The SL 2000 P Photoelectric Conventional Duct Detector is the latest innovation for early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential Applications. The SL 2000 includes many features that represent true innovations from current generation duct smoke detectors. Our