Sensors Siemens Building Technology

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

Aaon Sensors AERCO Boiler and Water Heater Sensors AJ Antunes 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 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 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 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 Resideo Sensors Reznor Sensors Rheem-Ruud Sensors Rinnai Sensors Scotsman Ice Machines Sensors Siemens Building Technology Sensors Siemens Combustion Sensors Spartan Valves Sensors Sporlan Controls Sensors Sterling Sensors System Sensor Sensors Thermo Pride Furnaces Sensors Water Heater Parts Sensors Weil Mclain Sensors York Sensors

All Types

HVAC Humidity Sensor for Sale
Filter
View Details Siemens Building Technology QAA2212.EWSN Room Temperature Sensor, Platinum 1K Ohm (385 Alpha), No HMI, Siemens Logo | Midwest Supply Us
QAA2212.EWSN | Room Temperature Sensor, Platinum 1K Ohm (385 Alpha), No HMI, Siemens Logo | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2212.EWSN
$46.57 each
View Details Siemens Building Technology QAA2212.FWNN Room Temperature Sensor, Platinum 1K Ohm (385 Alpha), Full Feature, No Logo | Midwest Supply Us
QAA2212.FWNN | Room Temperature Sensor, Platinum 1K Ohm (385 Alpha), Full Feature, No Logo | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2212.FWNN
$125.29 each
View Details Siemens Building Technology QAA2212.EWNN Room Temperature Sensor, Platinum 1K Ohm (385 Alpha), No HMI, No Logo | Midwest Supply Us
QAA2212.EWNN | Room Temperature Sensor, Platinum 1K Ohm (385 Alpha), No HMI, No Logo | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2212.EWNN
$46.57 each
View Details Siemens Building Technology 538-871 DUCT SENSOR 10OHM THERMISTOR | Midwest Supply Us
538-871 | DUCT SENSOR 10OHM THERMISTOR | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 538-871
$55.53 each
View Details Siemens Building Technology 544-343-24 Rigid Averaging Duct Sensor, 1K Ohm Platinum, 24-Inch | Midwest Supply Us
544-343-24 | Rigid Averaging Duct Sensor, 1K Ohm Platinum, 24-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 544-343-24
$97.92 each
View Details Siemens Building Technology 544-339-18 Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 18-Inch | Midwest Supply Us
544-339-18 | Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 18-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 544-339-18
$54.98 each
View Details Siemens Building Technology AQF3100 Radiation/Sun Shield for Outside Air RH Sensors | Midwest Supply Us
AQF3100 | Radiation/Sun Shield for Outside Air RH Sensors | Siemens Building Technology
Brand: Siemens Building Technology
SKU: AQF3100
$37.51 each
View Details Siemens Building Technology S55624-H123 QMX3.P30-1BSC ROOM SENSOR, BLACK | Midwest Supply Us
S55624-H123 | QMX3.P30-1BSC ROOM SENSOR, BLACK | Siemens Building Technology
Brand: Siemens Building Technology
SKU: S55624-H123
$78.25 each
View Details Siemens Building Technology QAA2280.EWSC Room Temp Sensor, No HMI, Siemens Logo, Tool Port, Siemens TEC Controllers | Midwest Supply Us
QAA2280.EWSC | Room Temp Sensor, No HMI, Siemens Logo, Tool Port, Siemens TEC Controllers | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAA2280.EWSC
$70.52 each
View Details Siemens Building Technology QAC22 Outside Temperature Sensor, -22 to 122 degrees Fahrenheit | Midwest Supply Us
QAC22 | Outside Temperature Sensor, -22 to 122 degrees Fahrenheit | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAC22
$39.55 each
View Details Siemens Building Technology QAM2030.010 Duct Point Temperature Sensor, 10K Ohm NTC Type 2, 4-Inch | Midwest Supply Us
QAM2030.010 | Duct Point Temperature Sensor, 10K Ohm NTC Type 2, 4-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QAM2030.010
$34.08 each
View Details Siemens Building Technology 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 Building Technology
Brand: Siemens Building Technology
SKU: 544-973
$31.81 each
View Details Siemens Building Technology 544-578 Outside Air Temperature Sensor, 1K Ohm Platinum (385 alpha) | Midwest Supply Us
544-578 | Outside Air Temperature Sensor, 1K Ohm Platinum (385 alpha) | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 544-578
$56.86 each
View Details Siemens Building Technology 544-577-60 Liquid Immersion Temperature Sensor, 1K Ohm Platinum, (375 Alpha), 6-Inch | Midwest Supply Us
544-577-60 | Liquid Immersion Temperature Sensor, 1K Ohm Platinum, (375 Alpha), 6-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 544-577-60
$86.38 each
View Details Siemens Building Technology 544-577-40 Liquid Immersion Temperature Sensor, 1K Ohm Platinum, (375 Alpha), 4-Inch | Midwest Supply Us
544-577-40 | Liquid Immersion Temperature Sensor, 1K Ohm Platinum, (375 Alpha), 4-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 544-577-40
$86.38 each
View Details Siemens Building Technology 536-774-25 Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 2.5-Inch | Midwest Supply Us
536-774-25 | Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 2.5-Inch | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 536-774-25
$111.31 each
View Details Siemens Building Technology QVM62.1 Air Velocity Sensor, 0 to 10 Vdc | Midwest Supply Us
QVM62.1 | Air Velocity Sensor, 0 to 10 Vdc | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QVM62.1
$205.60 each
View Details Siemens Building Technology 590-503 590 Series Differential Pressure Sensor, 1" Water Column | Midwest Supply Us
590-503 | 590 Series Differential Pressure Sensor, 1" Water Column | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 590-503
$129.99 each
View Details Siemens Building Technology QFM2101 Duct Relative Humidity Temperature Sensor, 5 percent accuracy, 4-20 mA | Midwest Supply Us
QFM2101 | Duct Relative Humidity Temperature Sensor, 5 percent accuracy, 4-20 mA | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QFM2101
$169.90 each
View Details Siemens Building Technology QFM2100 Duct Relative Humidity Sensor, 5 percent accuracy, 0-10 Vdc | Midwest Supply Us
QFM2100 | Duct Relative Humidity Sensor, 5 percent accuracy, 0-10 Vdc | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QFM2100
$169.90 each
View Details Siemens Building Technology QPA2062 Room Sensor CO2 + Temperature + Relative Humidity, 0 to 10V | Midwest Supply Us
QPA2062 | Room Sensor CO2 + Temperature + Relative Humidity, 0 to 10V | Siemens Building Technology
Brand: Siemens Building Technology
SKU: QPA2062
$601.35 each
View Details Siemens Building Technology 540-660B Room Temperature Sensor, White | Midwest Supply Us
540-660B | Room Temperature Sensor, White | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 540-660B
$260.03 each
View Details Siemens Building Technology 7MF15654CD005EA1 SENSOR, LIQUID/GAS, 4-20MA, 0-300 PSIG | Midwest Supply Us
7MF15654CD005EA1 | SENSOR, LIQUID/GAS, 4-20MA, 0-300 PSIG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 7MF15654CD005EA1
$313.47 each
View Details Siemens Building Technology 7MF15654CB105EA1 SENSOR, LIQUID/GAS, 0-10V, 0-200 PSIG | Midwest Supply Us
7MF15654CB105EA1 | SENSOR, LIQUID/GAS, 0-10V, 0-200 PSIG | Siemens Building Technology
Brand: Siemens Building Technology
SKU: 7MF15654CB105EA1
$304.52 each
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
$294.63
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 Pack of 10 | Midwest Supply Us
EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free Pack of 10 | Everflow
Brand: Everflow
SKU: EPRC1501-NL
$88.70
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