sensors

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

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 Bacharach Sensors Baltimore Parts Sensors Image for BAPI BAPI Sensors Barber Colman Sensors Bard HVAC Sensors Image for Belimo Belimo Sensors Bell Gossett Sensors Bosch Sensors Bradford White 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 Micronet 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 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

All Types

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
Filter
View Details ACI A/1K-2W-D-8"-PB RTD 1000 ohm (2 wire) | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/1K-2W-D-8"-PB | RTD 1000 ohm (2 wire) | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/1K-2W-D-8"-PB
$20.66 each
View Details ACI A/1K-2W-DO-6" RTD 1000 ohm (2 wire) | Duct Temperature Sensor | Sensor Length: 6 inch | Midwest Supply Us
A/1K-2W-DO-6" | RTD 1000 ohm (2 wire) | Duct Temperature Sensor | Sensor Length: 6 inch | ACI
Brand: ACI
SKU: A/1K-2W-DO-6"
$20.30 each
View Details ACI A/20K-R2 20K ohm | Room Zone Wall Temperature Sensor | Modern Housing Enclosure | Midwest Supply Us
A/20K-R2 | 20K ohm | Room Zone Wall Temperature Sensor | Modern Housing Enclosure | ACI
Brand: ACI
SKU: A/20K-R2
$12.69 each
View Details ACI A/AN-SP 10K ohm Type III | Stainless Steel Wall Zone Plate with Override Temperature Sensor | Midwest Supply Us
A/AN-SP | 10K ohm Type III | Stainless Steel Wall Zone Plate with Override Temperature Sensor | ACI
Brand: ACI
SKU: A/AN-SP
$13.41 each
View Details ACI A/CP-D-8"-PB 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/CP-D-8"-PB | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/CP-D-8"-PB
$14.14 each
View Details ACI A/CP-SBS 10K ohm Type II | Stainless Steel Button Temperature Sensor | Midwest Supply Us
A/CP-SBS | 10K ohm Type II | Stainless Steel Button Temperature Sensor | ACI
Brand: ACI
SKU: A/CP-SBS
$43.14 each
View Details ACI A/RH2-R 2% Accuracy RH Humidity Sensor | Room Zone Wall Humidity Sensor | Midwest Supply Us
A/RH2-R | 2% Accuracy RH Humidity Sensor | Room Zone Wall Humidity Sensor | ACI
Brand: ACI
SKU: A/RH2-R
$165.85 each
View Details ACI 85930-018-001 CO, Replacement Sensor, 0-250ppm | Midwest Supply Us
85930-018-001 | CO, Replacement Sensor, 0-250ppm | ACI
Brand: ACI
SKU: 85930-018-001
$182.50 each
View Details Veris H614 CS | VFD | Mini SC | Load Control | Sensor | Midwest Supply Us
H614 | CS | VFD | Mini SC | Load Control | Sensor | Veris
Brand: Veris
SKU: H614
$81.46 each
View Details Siemens QPA2282.EWSC Room CO2 + Temp Sensor, No HMI, Siemens Logo, Tool Port, TEC Controllers | Midwest Supply Us
QPA2282.EWSC | Room CO2 + Temp Sensor, No HMI, Siemens Logo, Tool Port, TEC Controllers | Siemens
Brand: Siemens
SKU: QPA2282.EWSC
$405.75 each
View Details Siemens QFM3101 Duct Relative Humidity Sensor, 2 percent accuracy, 4-20 mA | Midwest Supply Us
QFM3101 | Duct Relative Humidity Sensor, 2 percent accuracy, 4-20 mA | Siemens
Brand: Siemens
SKU: QFM3101
$220.96 each
View Details Siemens QBM3100U10 Dry Differential Pressure Sensor, 0-10" WC | Midwest Supply Us
QBM3100U10 | Dry Differential Pressure Sensor, 0-10" WC | Siemens
Brand: Siemens
SKU: QBM3100U10
$127.22 each
View Details Siemens QPA2284.EWSC Rm CO2+Humidity+Temp Sensor, No HMI, Siemens Logo, Tool Port, TEC Controller | Midwest Supply Us
QPA2284.EWSC | Rm CO2+Humidity+Temp Sensor, No HMI, Siemens Logo, Tool Port, TEC Controller | Siemens
Brand: Siemens
SKU: QPA2284.EWSC
$507.18 each
View Details Siemens QFM2160U Duct RH and Temp Sensor, 5 percent accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Midwest Supply Us
QFM2160U | Duct RH and Temp Sensor, 5 percent accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM2160U
$178.18 each
View Details Siemens QVM62.1 Air Velocity Sensor, 0 to 10 Vdc | Midwest Supply Us
QVM62.1 | Air Velocity Sensor, 0 to 10 Vdc | Siemens
Brand: Siemens
SKU: QVM62.1
$187.30 each
View Details Siemens QAA1011.AASU Button Room Temperature Sensor, 1K Ohm Platinum RTD (375), Stainless Steel | Midwest Supply Us
QAA1011.AASU | Button Room Temperature Sensor, 1K Ohm Platinum RTD (375), Stainless Steel | Siemens
Brand: Siemens
SKU: QAA1011.AASU
$90.88 each
View Details Siemens 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
Brand: Siemens
SKU: QAA2230.FWSC
$130.85 each
View Details Siemens 544-973 Flush Mount Room Temp Sensor, 1K Ohm Plat RTD (375 Alpha), White Metal Cover | Midwest Supply Us
544-973 | Flush Mount Room Temp Sensor, 1K Ohm Plat RTD (375 Alpha), White Metal Cover | Siemens
Brand: Siemens
SKU: 544-973
$19.86 each
View Details Schneider Electric SHR510-T SHR Series Humidity Sensor, 2% RH, Output 4-20 mA/0-10 V, 10k Ohm T3 Thermistor, Continuum Compatible | Midwest Supply Us
SHR510-T | SHR Series Humidity Sensor, 2% RH, Output 4-20 mA/0-10 V, 10k Ohm T3 Thermistor, Continuum Compatible | Schneider Electric
Brand: Schneider Electric
SKU: SHR510-T
$188.66 each
View Details Schneider Electric ETD100-8 Temp Sensor, 8" Duct, Acc: +/- 0.2 C, 1.8K Ohm Thermistor, Vista, Steel Encl. | Midwest Supply Us
ETD100-8 | Temp Sensor, 8" Duct, Acc: +/- 0.2 C, 1.8K Ohm Thermistor, Vista, Steel Encl. | Schneider Electric
Brand: Schneider Electric
SKU: ETD100-8
$28.34 each
View Details Robertshaw 20-821 Replacement Temperature Sensor, Reverse Acting, For Use With T460 or T462 | Midwest Supply Us
20-821 | Replacement Temperature Sensor, Reverse Acting, For Use With T460 or T462 | Robertshaw
Brand: Robertshaw
SKU: 20-821
$140.88 each
View Details Johnson Controls TE-68PT-1N00S WMR/CLR TEMP SEN 1K PT; WALL MOUNT TEMPERATURE SENSOR;1K OHM PLATINUM WARMER/COOLERL | Midwest Supply Us
TE-68PT-1N00S | WMR/CLR TEMP SEN 1K PT; WALL MOUNT TEMPERATURE SENSOR;1K OHM PLATINUM WARMER/COOLERL | Johnson Controls
Brand: Johnson Controls
SKU: TE-68PT-1N00S
$83.82 each
View Details Johnson Controls A421GEF-01C Single Stage Temp Controller with Sensor, 24VAC, NEMA4X, 9" lead, -40 to 212F, HTG/CLG | Midwest Supply Us
A421GEF-01C | Single Stage Temp Controller with Sensor, 24VAC, NEMA4X, 9" lead, -40 to 212F, HTG/CLG | Johnson Controls
Brand: Johnson Controls
SKU: A421GEF-01C
$166.24 each
View Details Johnson Controls A421ABJ-02C Single Stage Temp Controller with Sensor, Duty-Cycle Timer, 120/240VAC, NEMA1, 6' 7" lead, -40 to 212F, HTG/CLG | Midwest Supply Us
A421ABJ-02C | Single Stage Temp Controller with Sensor, Duty-Cycle Timer, 120/240VAC, NEMA1, 6' 7" lead, -40 to 212F, HTG/CLG | Johnson Controls
Brand: Johnson Controls
SKU: A421ABJ-02C
$151.68 each
Air Quality Application
Air Volume
Application
Brand
CO2 Output
CO2 Range
Collection
Color
Communication
Configuration
Contents
Details
Duct or Rough Service
Element Type
Finish
Foamback Width
Fuel
Height
Humidity Output
Inches WC or Pascals
Kit Contents
Length
Material
Mounting
Output
Part Number
Pickup Style
Pressure
Pressure Pickup Type
Pressure Range
Pressure Ranges
Pressure Setpoint Range
Probe Type
Product Type
Screwdriver Style
Sensor
Sensor Averaging Length
Sensor Configuration
Sensor Housing
Sensor Length
Size
Temp & Humidity Signals
Temperature
Temperature Sensor
Transmitter Output
Tube Length
Used on
VOC Output
Voltage
Wallplate Material
Width
°F or °C Display
Committed to customer satisfaction
as experts in Sensors
(847) 773-1023

Recently Viewed

Popular Products

View all →
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
SKU: NGR02-BBA
$86.98
BAPI BA/10K-2-H210-D-BBX Duct Humidity (%RH) Sensor with Optional Temperature Sensor | Midwest Supply Us
BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-D-BBX
$104.49
Norgas Controls N5D-1500-S GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Midwest Supply Us
N5D-1500-S | GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5D-1500-S
View Details
BAPI ZPS-ACC04-1 Room Pressure Pickup Ports with Temperature Sensor | Midwest Supply Us
ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
SKU: ZPS-ACC04-1
$16.20
Belimo B214 Characterized Control Valve (CCV), 1/2", 2-way | Midwest Supply Us
B214 | Characterized Control Valve (CCV), 1/2", 2-way | Belimo
Brand: Belimo
SKU: B214
$77.85
Everflow EPRC1501-NL 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free | Midwest Supply Us
EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free | Everflow
Brand: Everflow
SKU: EPRC1501-NL
$9.76
Sign in to your account
Show

Forgot password?

Don’t have an account?
Create account
Register New Account
Show
Show

Sign In

Your Cart
items in the Cart
The product has been added to cart.
There are items in your cart.

Total:

View Cart
Continue Shopping