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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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A.J. Antunes Sensors Aaon Sensors Accustat PSG Controls Sensors AERCO Boiler and Water Heater Sensors AJ Antunes Sensors Amana-Goodman Sensors Armstrong Furnace Sensors Image for Armstrong International Armstrong International Sensors Atlas Copco Sensors Auburn Sensors Bacharach Sensors Baltimore Parts Sensors Image for BAPI BAPI Sensors Barber Colman Sensors Bard HVAC Sensors Image for Belimo Belimo Sensors Bosch Sensors Bradford White Sensors Braeburn Systems Sensors Broan Fans Sensors BROAN-NuTone Sensors Buderus Sensors Burnham Boilers Sensors Carlin Sensors Carlyle Sensors Carrier Sensors Chicago Faucet Co Sensors ClimateMaster Sensors Copeland Sensors Daikin-McQuay Sensors Danfoss Sensors DriSteem Sensors Eclipse Sensors Emerson Climate-White Rodgers Sensors EWC Controls Sensors Fenwal Sensors Fireye Sensors GE Sensing-General Eastern Sensors Greenheck Sensors Grundfos Sensors Grundfos Circulators Sensors Haier A/C Sensors Heat Transfer Prod Sensors Heatcraft Refrigeration Sensors Honeywell Sensors Honeywell Analytics Sensors Honeywell E-MON Meters Sensors Honeywell Home Sensors Honeywell Inc Sensors Hydrolevel/Safeguard Sensors ICM Controls Sensors Indeeco Sensors Intellihot Sensors International Comfort Products Sensors J/B Industries SAE Fittings Sensors Johnson Controls Sensors Kele Product Sensors KMC Controls Sensors Kromschroder Sensors Laars Sensors Laars Heating Systems Sensors Leak Detector Sensors Lennox Sensors Liebert Sensors MAMAC Systems Sensors Marvair Sensors Maxitrol Sensors Mcdonnell Miller Sensors Mitsubishi Electric Sensors Modine Sensors Moen Sensors Image for Navien Boilers & Water Heaters Navien Boilers & Water Heaters Sensors Nortec Humidity Sensors Oil Equipment Manufacturing Sensors Packard Sensors Panasonic Sensors PRO 1 IAQ Sensors Pro1Iaq Sensors R.W. Beckett Sensors Raypak Sensors RBI Boiler Sensors Resideo Sensors Reznor Sensors Rheem-Ruud Sensors Rinnai Sensors Schneider Electric (Barber Colman) Sensors Scotsman Ice Machines Sensors Setra Sensors Siemens Building Technology Sensors Siemens Combustion Sensors Spartan Valves Sensors Sporlan Controls Sensors Sterling Sensors System Sensor Sensors Taco Sensors Thermo Pride Furnaces Sensors Titus HVAC Sensors Trane Sensors Utica-Dunkirk Sensors Veris Industries Sensors Viessmann Sensors Warrick-Gems Sensors Controls Sensors Water Heater Parts Sensors Weil Mclain Sensors York Sensors

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HVAC Humidity Sensor for Sale Duct Sensors Outside Sensors for Sale Room Humidity and Temperature Sensors CO2 Sensors for Sale Belimo Strap Sensors Pressure Sensors Belimo Bullet Sensors Accessories
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View Details Siemens Building Technology 7MF15654CB005EA1 SENSOR, LIQUID/GAS, 4-20MA, 0-200 PSIG | Midwest Supply Us
7MF15654CB005EA1 | SENSOR, LIQUID/GAS, 4-20MA, 0-200 PSIG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 7MF15654CB005EA1
$323.16 each
View Details Siemens Building Technology 7MF15654CA105EA1 SENSOR, LIQUID/GAS, 0-10V, 0-150 PSIG | Midwest Supply Us
7MF15654CA105EA1 | SENSOR, LIQUID/GAS, 0-10V, 0-150 PSIG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 7MF15654CA105EA1
$323.16 each
View Details Siemens Building Technology 7MF15654BG005EA1 SENSOR, LIQUID/GAS, 4-20MA, 0-100 PSIG | Midwest Supply Us
7MF15654BG005EA1 | SENSOR, LIQUID/GAS, 4-20MA, 0-100 PSIG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 7MF15654BG005EA1
$323.16 each
View Details Siemens Building Technology 590-510 Differential Pressure Sensor in Conduit Box, 1% FS, +/- 0.25" WC, 0 to 10 Vdc | Midwest Supply Us
590-510 | Differential Pressure Sensor in Conduit Box, 1% FS, +/- 0.25" WC, 0 to 10 Vdc | Siemens Building Technology (OBSOLETE)
Brand: Siemens Building Technology
SKU: 590-510
View Details
View Details Siemens Building Technology 590-506 Differential Pressure Sensor in Conduit Box, 1% FS, 5" WC, 0 to 10 Vdc | Midwest Supply Us
590-506 | Differential Pressure Sensor in Conduit Box, 1% FS, 5" WC, 0 to 10 Vdc | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 590-506
View Details
View Details Siemens Building Technology 587-187 Room Temperature Sensor, Full HMI, For Use With Siemens Talon Controllers | Midwest Supply Us
587-187 | Room Temperature Sensor, Full HMI, For Use With Siemens Talon Controllers | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 587-187
$357.26 each
View Details Siemens Building Technology 540-258 Surface Mount Temperature Sensor (Pipe), 100K Ohm Thermistor, 1.25" w/ Clamps | Midwest Supply Us
540-258 | Surface Mount Temperature Sensor (Pipe), 100K Ohm Thermistor, 1.25" w/ Clamps | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 540-258
$36.11 each
View Details Siemens Building Technology 540-246-72 Flexible Averaging Duct Sensor, 100K Ohm, 6-Foot | Midwest Supply Us
540-246-72 | Flexible Averaging Duct Sensor, 100K Ohm, 6-Foot | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 540-246-72
$84.54 each
View Details Siemens Building Technology 536-777-40 Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 4-Inch | Midwest Supply Us
536-777-40 | Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 4-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 536-777-40
$81.28 each
View Details Siemens Building Technology 535-490-48 Rigid Averaging Duct Sensor, 20 to 120 Deg F, 48-Inch | Midwest Supply Us
535-490-48 | Rigid Averaging Duct Sensor, 20 to 120 Deg F, 48-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 535-490-48
$208.11 each
View Details Siemens Building Technology 533-377-4 Duct Point Temperature Sensor, Platinum, 30 to 250 Deg F, 4-Inch | Midwest Supply Us
533-377-4 | Duct Point Temperature Sensor, Platinum, 30 to 250 Deg F, 4-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 533-377-4
$82.74 each
View Details Siemens Building Technology QAA2291.FWSC Room Temperature Sensor, Wireless - P2P, Full Feature, Siemens Logo | Midwest Supply Us
QAA2291.FWSC | Room Temperature Sensor, Wireless - P2P, Full Feature, Siemens Logo | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2291.FWSC
$319.51 each
View Details Siemens Building Technology 540-680FB Room Temp Sensor, Sensing w/ Override, Setpt, Fahrenheit Display, White | Midwest Supply Us
540-680FB | Room Temp Sensor, Sensing w/ Override, Setpt, Fahrenheit Display, White | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 540-680FB
$595.76 each
View Details Siemens Building Technology QAE2032.010 Immersion Well Temperature Sensor, 10K Ohm Type 3, 4-inch | Midwest Supply Us
QAE2032.010 | Immersion Well Temperature Sensor, 10K Ohm Type 3, 4-inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAE2032.010
View Details
View Details Siemens Building Technology 544-089 Surface Mount Temperature Sensor (Pipe), 1K Ohm Platinum RTD (375 Alpha) | Midwest Supply Us
544-089 | Surface Mount Temperature Sensor (Pipe), 1K Ohm Platinum RTD (375 Alpha) | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 544-089
$64.85 each
View Details Siemens Building Technology QAP22 Temperature Sensor, Cable | Midwest Supply Us
QAP22 | Temperature Sensor, Cable | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAP22
$30.95 each
View Details Siemens Building Technology 536-780 Surface Mount Temperature Sensor (Pipe), 4-20 mA, 2 x 4 Metal Box with Clamps | Midwest Supply Us
536-780 | Surface Mount Temperature Sensor (Pipe), 4-20 mA, 2 x 4 Metal Box with Clamps | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 536-780
$107.67 each
View Details Siemens Building Technology 7MF15654BF105EA1 SENSOR, LIQUID/GAS, 0-10V, 0-60 PSIG | Midwest Supply Us
7MF15654BF105EA1 | SENSOR, LIQUID/GAS, 0-10V, 0-60 PSIG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 7MF15654BF105EA1
$323.16 each
View Details Siemens Building Technology QAA2230.FWSC Room Temp Sensor, 10K Ohm Type 2 NTC Thermistor, Full Feature, Talon | Midwest Supply Us
QAA2230.FWSC | Room Temp Sensor, 10K Ohm Type 2 NTC Thermistor, Full Feature, Talon | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2230.FWSC
$148.06 each
View Details Siemens Building Technology QAA2220.EWNN Room Temperature Sensor, Nickel 1K Ohm at 32F, No HMI, No Logo | Midwest Supply Us
QAA2220.EWNN | Room Temperature Sensor, Nickel 1K Ohm at 32F, No HMI, No Logo | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2220.EWNN
$53.18 each
View Details Siemens Building Technology QBE2104-P3OU REFRIGERANT PRESS SENSOR | Midwest Supply Us
QBE2104-P3OU | REFRIGERANT PRESS SENSOR | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QBE2104-P3OU
View Details
View Details Siemens Building Technology QFA3280.EWSC Room Temp Sensor, RH 2%, for TEC, Digital signal, Temp Sensing, Tool Port | Midwest Supply Us
QFA3280.EWSC | Room Temp Sensor, RH 2%, for TEC, Digital signal, Temp Sensing, Tool Port | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QFA3280.EWSC
$153.04 each
View Details Siemens Building Technology 590-501 590 Series Differential Pressure Sensor, 5" Water Column | Midwest Supply Us
590-501 | 590 Series Differential Pressure Sensor, 5" Water Column | Siemens Building Technology (OBSOLETE)
Brand: Siemens Building Technology
SKU: 590-501
View Details
View Details Siemens Building Technology 536-767-60 Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 6-Inch Probe | Midwest Supply Us
536-767-60 | Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 6-Inch Probe | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 536-767-60
$129.28 each
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