Sensors System sensor Brand

Almost every heating, ventilation, air-conditioning, and refrigeration system uses sensors. Choose the world's top sensor brands to optimize system performance, and ensure occupant health, safety, comfort, and productivity.

All Manufacturers

View Details System Sensor 4WTAR-B 4WIRE DETEC.12/24VDC W/SOUNDER  | Midwest Supply Us
$99.77 each
View Details System Sensor 4WTA-B 4WirePhoto135f12/24vdcW/soundr  | Midwest Supply Us
$91.55 each
View Details System Sensor 4WITAR-B 4WIRE DETEC.12/24VDC ISOLATED  | Midwest Supply Us
$109.93 each
View Details System Sensor 2WTR-B 2WirePhoto135f12/24vdc W/Relay  | Midwest Supply Us
$93.18 each
View Details System Sensor 2WTA-B 2WirePhoto135f12/24vdcW/soundr  | Midwest Supply Us
$83.70 each
View Details System Sensor SA-WBBW METAL OUTDOOR BACKBOX  | Midwest Supply Us
SA-WBBW | METAL OUTDOOR BACKBOX | System Sensor
Brand: System Sensor
SKU: SA-WBBW
$47.11 each
View Details System Sensor EOLR-1 End of Line Supervision Relay  | Midwest Supply Us
$39.40 each
View Details System Sensor LENS-R2 RED LENS FOR L-SERIES INDOOR  | Midwest Supply Us
$23.32 each
View Details System Sensor 4WT-B 4WirePhoto 135f Fixed 12/24vdc  | Midwest Supply Us
$74.70 each
View Details System Sensor AOS ADD-ON-STROBE  | Midwest Supply Us
AOS | ADD-ON-STROBE | System Sensor
Brand: System Sensor
SKU: AOS
$74.33 each
View Details System Sensor SPSWK-P WHITE OTDR WALL SPEAKER STROBE  | Midwest Supply Us
$188.80 each
View Details System Sensor LENS-B2 BLUE LENS FOR L-SERIES WALL  | Midwest Supply Us
$23.59 each
View Details System Sensor RTS151 Remote Test Station  | Midwest Supply Us
RTS151 | Remote Test Station | System Sensor
Brand: System Sensor
SKU: RTS151
$64.83 each
View Details System Sensor 2W-B 12/24vdcPhotoDet.w/2WireBase  | Midwest Supply Us
$71.53 each
View Details System Sensor 2151 SSD SERIES 100,PHOTO DUCT HEAD  | Midwest Supply Us
$73.26 each
View Details System Sensor APA151 Piezo Annunciator w/ Alert  | Midwest Supply Us
APA151 | Piezo Annunciator w/ Alert | System Sensor
Brand: System Sensor
SKU: APA151
$60.76 each
View Details System Sensor ST-5 5' SAMPLING TUBE  | Midwest Supply Us
ST-5 | 5' SAMPLING TUBE | System Sensor
Brand: System Sensor
SKU: ST-5
$33.99 each
View Details System Sensor ST-3 3' SAMPLING TUBE  | Midwest Supply Us
ST-3 | 3' SAMPLING TUBE | System Sensor
Brand: System Sensor
SKU: ST-3
$33.16 each
View Details System Sensor D4S 4 WIRE SENSOR  | Midwest Supply Us
D4S | 4 WIRE SENSOR | System Sensor
Brand: System Sensor
SKU: D4S
$160.31 each
View Details System Sensor D4P120 4-WIRE POWER BOARD ONLY, D4120  | Midwest Supply Us
$139.88 each
View Details System Sensor 2D51 SENSOR-FOR D4120 DETECTOR  | Midwest Supply Us
2D51 | SENSOR-FOR D4120 DETECTOR | System Sensor
Brand: System Sensor
SKU: 2D51
$89.98 each
View Details System Sensor P48-21-00 END CAP FOR SAMPLING TUBE Pack of 5 | Midwest Supply Us
$24.17 each
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