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| Best Seller  | AIR PRODUCTS & CONTROLS SL-2000-P Duct Smoke Detector, Photoelectric, Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 18mA @ 230V AC, 190mA @ 24V AC, 32mA @ 115V AC, 68mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 1/2 in, Length (In.) 13 1/2 in, Width (In.) 2 1/4 in, Ambient Temp.... ... more
AIR PRODUCTS & CONTROLS SL-2000-P Duct Smoke Detector, Photoelectric, Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 18mA @ 230V AC, 190mA @ 24V AC, 32mA @ 115V AC, 68mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 1/2 in, Length (In.) 13 1/2 in, Width (In.) 2 1/4 in, Ambient Temp.... | go to store |
 | SYSTEM SENSOR DUCTSD Duct Smoke Detector,14-1/4" L,2-1/4" D Duct Smoke Detector, Smoke Detector, Finish Unfinished, Duct Mounting, Alarm Current 135mA RMS @ 24V AC, 35mA RMS @ 120V AC, 65mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 3/4 in, Length (In.) 14 1/4 in, Tube Length (Ft.) 1 ft, Width (In.) 2 1/4... ... more
SYSTEM SENSOR DUCTSD Duct Smoke Detector,14-1/4" L,2-1/4" D Duct Smoke Detector, Smoke Detector, Finish Unfinished, Duct Mounting, Alarm Current 135mA RMS @ 24V AC, 35mA RMS @ 120V AC, 65mA @ 24V DC, Depth (In.) 2 1/4 in, Height (In.) 4 3/4 in, Length (In.) 14 1/4 in, Tube Length (Ft.) 1 ft, Width (In.) 2 1/4... | go to store |
| Best Seller  | SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 60 in, Width (In.) -, Duct Opening -, Duct Width (Ft.) 4... ... more
SYSTEM SENSOR DST5 Sampling Tube,Smoke Detector Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Peak Output (dBA) -, Flash (Candela) -, Standby Current (uA) -, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 60 in, Width (In.) -, Duct Opening -, Duct Width (Ft.) 4... | go to store |
 | SYSTEM SENSOR DST3 Sampling Tube,Smoke Detector Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 36 in, Duct Width (Ft.) 2 a 4 ft, For Use With D4120W, D4S, Mfr. No. D4120 ... more
SYSTEM SENSOR DST3 Sampling Tube,Smoke Detector Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 36 in, Duct Width (Ft.) 2 a 4 ft, For Use With D4120W, D4S, Mfr. No. D4120 | go to store |
 | AIR PRODUCTS & CONTROLS 55000-328APO Smoke Detector Head Replacement,4"D Smoke Detector Head Replacement, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 15mA @ 24V DC, Depth (In.) 4 in, Height (In.) 2 in, Length (In.) 4 in, Width (In.) 4 in, For Use With All APC Duct Smoke Detectors ... more
AIR PRODUCTS & CONTROLS 55000-328APO Smoke Detector Head Replacement,4"D Smoke Detector Head Replacement, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 15mA @ 24V DC, Depth (In.) 4 in, Height (In.) 2 in, Length (In.) 4 in, Width (In.) 4 in, For Use With All APC Duct Smoke Detectors | $93.99 $84.49 go to store |
 | AIR PRODUCTS & CONTROLS RT-3000-P Smoke Detector,Painted Enamel,5-1/2" H Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 100mA @ 24V DC, 251mA @ 24V AC, 29mA @ 230V AC, 50mA @ 115V AC, Depth (In.) 2 1/4 in, Height (In.) 5 1/2 in, Length (In.) 13 1/2 in, Width (In.) 2 1/4 in, Ambient Temp.... ... more
AIR PRODUCTS & CONTROLS RT-3000-P Smoke Detector,Painted Enamel,5-1/2" H Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 100mA @ 24V DC, 251mA @ 24V AC, 29mA @ 230V AC, 50mA @ 115V AC, Depth (In.) 2 1/4 in, Height (In.) 5 1/2 in, Length (In.) 13 1/2 in, Width (In.) 2 1/4 in, Ambient Temp.... | go to store |
 | AIR PRODUCTS & CONTROLS SM-501-P Smoke Detector,Plastic,2-1/4" H Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 16.0mA @ 230V AC, 32mA @ 115V AC, 56mA @ 24V DC, 74mA @ 24V AC, Depth (In.) 7 1/4 in, Height (In.) 2 1/4 in, Length (In.) 9 1/8 in, Width (In.) 7 1/4 in, Ambient Temp.... ... more
AIR PRODUCTS & CONTROLS SM-501-P Smoke Detector,Plastic,2-1/4" H Duct Smoke Detector, Photoelectric, Finish Plastic, Duct Mounting, Alarm Current 16.0mA @ 230V AC, 32mA @ 115V AC, 56mA @ 24V DC, 74mA @ 24V AC, Depth (In.) 7 1/4 in, Height (In.) 2 1/4 in, Length (In.) 9 1/8 in, Width (In.) 7 1/4 in, Ambient Temp.... | go to store |
 | SYSTEM SENSOR 2D51 Sensor Head Duct Smoke Detector, Sensor Head, Finish Smooth, Ceiling Mounting, Depth (In.) 4 1/8 in, Height (In.) 2 in, Ambient Temp. Limits (F) -4 Degrees to 158 Degrees F, Air Velocity (FPM) 4000 fpm, Alarm State (mA) 135 mA, Humidity Range ( Percent RH) 0 to 95... ... more
SYSTEM SENSOR 2D51 Sensor Head Duct Smoke Detector, Sensor Head, Finish Smooth, Ceiling Mounting, Depth (In.) 4 1/8 in, Height (In.) 2 in, Ambient Temp. Limits (F) -4 Degrees to 158 Degrees F, Air Velocity (FPM) 4000 fpm, Alarm State (mA) 135 mA, Humidity Range ( Percent RH) 0 to 95... | $83.79 $79.09 go to store |
 | SYSTEM SENSOR DST10 Sampling Tube,10 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 10 ft, Width (In.) 1/2 in, Duct Width (Ft.) 8 to 12 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 ... more
SYSTEM SENSOR DST10 Sampling Tube,10 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 10 ft, Width (In.) 1/2 in, Duct Width (Ft.) 8 to 12 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 | go to store |
 | SYSTEM SENSOR DST1 Sampling Tube,1 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 1 ft, Width (In.) 1/2 in, Duct Width (Ft.) Up to 1 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 ... more
SYSTEM SENSOR DST1 Sampling Tube,1 Ft. Sampling Tube, Smoke Detector, Connects to Smoke Detector Mounting, Tube Length (Ft.) 1 ft, Width (In.) 1/2 in, Duct Width (Ft.) Up to 1 ft, Humidity Range ( Percent RH) 0 to 95 Percent RH, Number Required 1, For Use With D4120W, D4S, Mfr. No. D4120 | $10.99 $10.25 go to store |
 | SYSTEM SENSOR DST1.5 Sampling Tube,Length 18 In Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 18 in, Duct Width (Ft.) 1 a 2 ft, Humidity Range ( Percent RH) -, Voltage -, Standards -, Includes -, For Use With... ... more
SYSTEM SENSOR DST1.5 Sampling Tube,Length 18 In Sampling Tube, Smoke Detector, Finish Metal, Connects to Smoke Detector Mounting, Depth (In.) 1 in, Height (In.) 1 in, Length (In.) 18 in, Duct Width (Ft.) 1 a 2 ft, Humidity Range ( Percent RH) -, Voltage -, Standards -, Includes -, For Use With... | $13.95 $12.99 go to store |
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