2-wire photoelectric duct smoke detector Specifications: D2 Wiring: 2-wire Operating Temperature Range: -4° to 158° F (-20° to 70° C) Storage Temperature: -22° to 158° F (-30° to 70° C) Operating Humidity Range: 0% to 93% Relative Humidity Non-condensing Air Duct Velocity: 100 to 4000...
Watertight 4 wire photoelectric duct smoke detector Specifications: D4120W Wiring: 4-wire Operating Temperature Range: -4° to 158° F (-20° to 70° C) Storage Temperature: -22° to 158° F (-30° to 70° C) Operating Humidity Range: 0% to 95% Relative Humidity Non-condensing Air Duct...
$199.95
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