2251b System Sensor. System Sensor 2251b Fire Alarm Smoke Detector (783863021015) for sale The sensors transmit an analog representation of smoke density over a communication line to a control panel System Sensor 2251B Photoelectric Smoke Detector $ 220.00; ACCESSORIES (734) Backboxes (32) Box (77) Cabinets (10) Covers and Protectors (24) Detector Bases (154)
System Sensor 2251b Fire Alarm Smoke Detector (783863021015) for sale from www.ebay.com
Note: 2251B is listed for use inside DNR(W) duct smoke detectors The sensors transmit an analog representation of smoke density over a communication line to a control panel
System Sensor 2251b Fire Alarm Smoke Detector (783863021015) for sale
System Sensor 2251 is a plug-in type smoke sensor that combines a photoelectronic sensing chamber with addressable-analog communications System Sensor 2251B Plug-in smoke sensors that combine a photoelectronic sensing chamber with addressable-analog communications Smoke Detector Application Guide, available from System Sensor
BRAND NEW SYSTEM SENSOR 2251B PHOTOELECTRONIC SMOKE DETECTOR FREE FAST. In low air flow applications with smooth ceilings, space sensors 30 feet apart. System Sensor 2251B Photoelectric Smoke Detector $ 220.00; ACCESSORIES (734) Backboxes (32) Box (77) Cabinets (10) Covers and Protectors (24) Detector Bases (154)
System Sensor 2251b Fire Alarm Smoke Detector (783863021015) for sale. Models 2251B, 2251TB and 2251TMB are plug-in type smoke sensors that combine a photoelectronic sensing chamber with addressable-analog communications System Sensor 2251B Intelligent Photoelectric Smoke Sensors are designed for use with System Sensor intelligent control panels