Sensors System Sensor

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.
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View Details System Sensor B114LPBT SSD SERIES100 24VAC/DC BASE | Midwest Supply Us
B114LPBT | SSD SERIES100 24VAC/DC BASE | System Sensor
Brand: System Sensor
SKU: B114LPBT
$94.94 each
View Details System Sensor P2RL-P 12/24Vdc RED WALL HORN/STROBE | Midwest Supply Us
P2RL-P | 12/24Vdc RED WALL HORN/STROBE | System Sensor
Brand: System Sensor
SKU: P2RL-P
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View Details System Sensor SWK-P WHITE OUTDOOR WALL STROBE | Midwest Supply Us
SWK-P | WHITE OUTDOOR WALL STROBE | System Sensor
Brand: System Sensor
SKU: SWK-P
$88.31 each
View Details System Sensor P2WK-P 2WireOutdoorHrn w/ Strobe Lght | Midwest Supply Us
P2WK-P | 2WireOutdoorHrn w/ Strobe Lght | System Sensor
Brand: System Sensor
SKU: P2WK-P
$125.45 each
View Details System Sensor LENS-B BLUE LENS FOR WALL MOUNT | Midwest Supply Us
LENS-B | BLUE LENS FOR WALL MOUNT | System Sensor
Brand: System Sensor
SKU: LENS-B
$23.75 each
View Details System Sensor P2WLED-P 12/24vdcWhiteHornStrobeNoLett | Midwest Supply Us
P2WLED-P | 12/24vdcWhiteHornStrobeNoLett | System Sensor
Brand: System Sensor
SKU: P2WLED-P
$86.96 each
View Details System Sensor 4WTR-B 4Wire135fDect 12/24vdc W/relay | Midwest Supply Us
4WTR-B | 4Wire135fDect 12/24vdc W/relay | System Sensor
Brand: System Sensor
SKU: 4WTR-B
$97.91 each
View Details System Sensor SPSCWL SPEAKER STROBE WHITE CEILING | Midwest Supply Us
SPSCWL | SPEAKER STROBE WHITE CEILING | System Sensor
Brand: System Sensor
SKU: SPSCWL
$103.99 each
View Details System Sensor DUCTSD DUCT 4-WIRE SMOKE DETECTOR | Midwest Supply Us
DUCTSD | DUCT 4-WIRE SMOKE DETECTOR | System Sensor
Brand: System Sensor
SKU: DUCTSD
$167.95 each
View Details System Sensor PR-1 SPDT RELAY W/LED | Midwest Supply Us
PR-1 | SPDT RELAY W/LED | System Sensor
Brand: System Sensor
SKU: PR-1
$33.33 each
View Details System Sensor CO1224TR CO DETECTOR W/TEST | Midwest Supply Us
CO1224TR | CO DETECTOR W/TEST | System Sensor
Brand: System Sensor
SKU: CO1224TR
$112.69 each
View Details System Sensor COSMOD4W Interface Module i4 | Midwest Supply Us
COSMOD4W | Interface Module i4 | System Sensor
Brand: System Sensor
SKU: COSMOD4W
$80.54 each
View Details System Sensor PC4RL 4Wire RED CEILING HORN/STROBE | Midwest Supply Us
PC4RL | 4Wire RED CEILING HORN/STROBE | System Sensor
Brand: System Sensor
SKU: PC4RL
$100.21 each
View Details System Sensor CHSRL 24Vdc RED WALL MNT STROBE | Midwest Supply Us
CHSRL | 24Vdc RED WALL MNT STROBE | System Sensor
Brand: System Sensor
SKU: CHSRL
$136.45 each
View Details System Sensor SRK-P OUTDOOR STROBE | Midwest Supply Us
SRK-P | OUTDOOR STROBE | System Sensor
Brand: System Sensor
SKU: SRK-P
$88.31 each
View Details System Sensor SWL-P STROBE W/SELECTABLE SETTINGS | Midwest Supply Us
SWL-P | STROBE W/SELECTABLE SETTINGS | System Sensor
Brand: System Sensor
SKU: SWL-P
$67.26 each
View Details System Sensor SRK 12/24VDC Strobe Outdoor Red | Midwest Supply Us
SRK | 12/24VDC Strobe Outdoor Red | System Sensor
Brand: System Sensor
SKU: SRK
$88.55 each
View Details System Sensor SWHK-P WHITE OUTDOOR WALL STROBE | Midwest Supply Us
SWHK-P | WHITE OUTDOOR WALL STROBE | System Sensor
Brand: System Sensor
SKU: SWHK-P
$108.81 each
View Details System Sensor CO-REPL CO Cell for COSMO-2W/COSMO-4W | Midwest Supply Us
CO-REPL | CO Cell for COSMO-2W/COSMO-4W | System Sensor
Brand: System Sensor
SKU: CO-REPL
$58.21 each
View Details System Sensor SSM24-6 6"POLARIZED ALARM BELL 24VDC | Midwest Supply Us
SSM24-6 | 6"POLARIZED ALARM BELL 24VDC | System Sensor
Brand: System Sensor
SKU: SSM24-6
$74.22 each
View Details System Sensor SENS-RDR SENSITIVITY READER | Midwest Supply Us
SENS-RDR | SENSITIVITY READER | System Sensor
Brand: System Sensor
SKU: SENS-RDR
$426.22 each
View Details System Sensor SCRK CeilingStrobe Outdoor StandCd | Midwest Supply Us
SCRK | CeilingStrobe Outdoor StandCd | System Sensor
Brand: System Sensor
SKU: SCRK
$87.64 each
View Details System Sensor 5624 2CIRCUIT 194f FIXED HEAT DETEC | Midwest Supply Us
5624 | 2CIRCUIT 194f FIXED HEAT DETEC | System Sensor
Brand: System Sensor
SKU: 5624
$53.03 each
View Details System Sensor 5604 1CIRCUIT 194f FIXED HT DETECT. | Midwest Supply Us
5604 | 1CIRCUIT 194f FIXED HT DETECT. | System Sensor
Brand: System Sensor
SKU: 5604
$31.97 each
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Norgas Controls NGR02-BBA Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Midwest Supply Us
NGR02-BBA | Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
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BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
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N5D-1500-S | GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
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ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
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Belimo B214 Characterized Control Valve (CCV), 1/2", 2-way | Midwest Supply Us
B214 | Characterized Control Valve (CCV), 1/2", 2-way | Belimo
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EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free Pack of 10 | Everflow
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