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
Aaon Sensors AERCO Boiler and Water Heater Sensors AJ Antunes Sensors Armstrong Furnace Sensors 
Armstrong International Sensors Bacharach Sensors Baltimore Parts Sensors 
BAPI Sensors Barber Colman Sensors Bard HVAC Sensors 
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 Danfoss Sensors DriSteem Sensors Dwyer Instruments Sensors Eclipse Sensors Grundfos Circulators Sensors Haier A/C Sensors Heat Transfer Prod Sensors Honeywell Home Sensors Honeywell Inc Sensors Hydrolevel/Safeguard Sensors ICM Controls Sensors Intellihot Sensors J/B Industries SAE Fittings Sensors Laars Sensors Leak Detector Sensors Lochinvar Sensors Maxitrol Sensors Mcdonnell Miller Sensors Micronet Sensors Modine Sensors Moen Sensors 
Navien Boilers & Water Heaters Sensors Oil Equipment Manufacturing Sensors Panasonic Sensors Pro1Iaq Sensors R.W. Beckett Sensors Raypak Sensors Reznor Sensors Rinnai Sensors Sterling Sensors Thermo Pride Furnaces Sensors Viconics Sensors Water Heater Parts Sensors Weil Mclain Sensors York Sensors
Armstrong International Sensors Bacharach Sensors Baltimore Parts Sensors 
BAPI Sensors Barber Colman Sensors Bard HVAC Sensors 
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 Danfoss Sensors DriSteem Sensors Dwyer Instruments Sensors Eclipse Sensors Grundfos Circulators Sensors Haier A/C Sensors Heat Transfer Prod Sensors Honeywell Home Sensors Honeywell Inc Sensors Hydrolevel/Safeguard Sensors ICM Controls Sensors Intellihot Sensors J/B Industries SAE Fittings Sensors Laars Sensors Leak Detector Sensors Lochinvar Sensors Maxitrol Sensors Mcdonnell Miller Sensors Micronet Sensors Modine Sensors Moen Sensors 
Navien Boilers & Water Heaters Sensors Oil Equipment Manufacturing Sensors Panasonic Sensors Pro1Iaq Sensors R.W. Beckett Sensors Raypak Sensors Reznor Sensors Rinnai Sensors Sterling Sensors Thermo Pride Furnaces Sensors Viconics Sensors Water Heater Parts Sensors Weil Mclain Sensors York Sensors
View Details
BA/1K-H200-R-BW | Delta Style Room Humidity or Temperature/Humidity Sensor | BAPI
Brand: BAPI
SKU: BA/1K-H200-R-BW
View Details
![BAPI BA/1K[NI]-LPW-5 Button Sensor - Low Profile Room Temperature Sensor | Midwest Supply Us](//midwestsupplyus.com/cdn/shop/files/Main-Image-1_f8fff404-cbe2-411b-91dc-855ba12942c8_medium.png?v=1716466550)
![BAPI BA/1K[NI]-LPW-5 Button Sensor - Low Profile Room Temperature Sensor | Midwest Supply Us](http://midwestsupplyus.com/cdn/shop/files/Main-Image-1_f8fff404-cbe2-411b-91dc-855ba12942c8_medium.png?v=1716466550)
BA/1K[NI]-LPW-5 | Button Sensor - Low Profile Room Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/1K[NI]-LPW-5
View Details
BA/10K-3-SP | Wall Plate Temperature Sensor with Optional Override Pushbutton | BAPI
Brand: BAPI
SKU: BA/10K-3-SP
View Details
BA/10K-3-LPW-5 | Button Sensor - Low Profile Room Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3-LPW-5
View Details
BA/10K-3-LPW | Button Sensor - Low Profile Room Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3-LPW
View Details
BA/10K-2-LPB-25 | Button Sensor - Low Profile Room Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-LPB-25
View Details
BA/10K-2-LPB | Button Sensor - Low Profile Room Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-LPB
View Details
BA/10K-2-H210-RD-TB-C35L-BW | Delta Style Room Humidity or Temperature/Humidity Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-RD-TB-C35L-BW
View Details
BA/10K-2-H210-RD-BW | Delta Style Room Humidity or Temperature/Humidity Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-RD-BW
View Details
BA/10K-2-H210-R-BW | Delta Style Room Humidity or Temperature/Humidity Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-R-BW
Air Quality Application
Air Volume
Application
- 105/150/210
- 2532/2532FFU Series
- Alpine Series Boilers
- BPGM 036-060; DBUC 072
- Boiler Control
- CMA/CMC/GMD1 Gas Furnace
- Coleman Equipment
- DAUC (090)
- DBUC 180-240
- DCUC 090-120; DDUC 150
- DGAA 056-090; DGAH 056-077
- DGD 060-120; G8D 060-120
- DGU G9D; GUD
- EASE 090-120; EBSE 090 Air Conditioner
- EBP/ED Series Boilers
- EFT
- EFTC-140F
- For Advantage Oil
- For Ventilation Fan
- For Ventilation Fan with Light
- G125BE
- HE/VHE Series
- HVACR Equipment
- Heating
- Legend 1000
- Mascot LX
- Model 300-400-500 Series 200/201 BTH/SUF/HCG High Efficiency Commercial
- NT 750-1000
- R50/75 VA Series
- Residential/Light Commercial
- Sensor for HFC/HCFC/HFO Refrigerants
- Water Heater
Brand
CO2 Output
CO2 Range
Collection
- Chiller Parts
- Compressor Controls
- Electrical Hardware
- Flow Control Valves
- Gas Control Valves
- Gas Pilot & Ignition
- Gas Pilot & Ignition - Heating
- Gas Pilot & Ignition - Plumbing
- Heat Pump Parts
- Low Water Safety
- Metal Venting & Ductwork
- Mini-Split Ductless Parts
- OEM Boiler Parts
- Oil Boiler Parts
- Oil Tank Supplies
- Other HVAC Products
- Other Heating Parts
- Other Pump Parts
- Other Refrigeration Products
- Radiator Valve Actuators
- Reset & Sequencing Controls
- Safety Switches & Limits
- Safety Switches & Limits - Heating
- Safety Switches & Limits - Plumbing
- Sensors
- Sensors - Controls
- Sensors - Heating
- Sensors - Plumbing
- Temperature Controllers
- Thermostats
- Unit Heater Parts
- Ventilation Products
- Water Heater Control Boards
- Water Heater Parts
- Wire Harness & Components
- Belimo FS Series
- CO & Smoke Detection
- Damper Actuator Accessories
Color
Configuration
- 0.5" Aluminum Static Tube Only with Circular Foam
- 2 Aluminum Static Pressure Tube Assemblies - 6” Long
- 6" Aluminum Probe and Circular Foam
- 6" Aluminum Probe w/ Tubing and Surge Damper
- Rough Service CO Sensor
- Rough Service CO Sensor with 10K-2 Thermistor Temp and %RH
- Rough Service CO Sensor with 10K-3 Thermistor Temp and %RH
- Rough Service CO Sensor with 20K Thermistor Temp and %RH
- Rough Service CO Sensor with BACnet Output
- Rough Service CO Sensor with Temp - %RH and BACnet Output
- Zero Depth Aluminum Unit (no probe) with Circular Foam
Contents
Details
Duct or Rough Service
Element Type
Foamback Width
Fuel
Humidity Output
Kit Contents
Mounting
Part Number
- 10401947
- 6535F
- 11752F
- 13163F
- 13164F
- 100110707
- 100110731
- 100110780
- 100111256
- 100111553
- 100112262
- 100112309
- 100112610
- 100112663
- 100187882
- 100217536
- 100272803
- 100276369
- 102711-01
- 102714-01
- 102717-01
- 103339-01
- 105648-01
- 10C188
- 10C486
- 350759
- 48-103
- 48-140
- 48-3250-58
- 48-3250-60
- 7250P-324
- 7450P-026
- 7600TSU
- 7855P-029
- 7855P-030
- 7855P-031
- 8310
- 87004000330
- 87004000400
- A0010401946
- Crown 230122
- Crown 230125
- FV-WCCS1
- FV-WCCS2
- IGT-SPR0102
- IGT-SPR0103
- S1-02532751000
- S1-02542683000
Pressure Pickup Type
Pressure Range
Pressure Ranges
Pressure Setpoint Range
Probe Type
Product Type
- 2532924000
- 1 Inch Large with Flange
- 1/8-27NPT PTC
- 100093745
- 100109908
- 100109966
- 100110227
- 100111979
- 100112470
- 100112471
- 100272810
- 100276324
- 100296920
- 100296951
- 100307280
- 100307281
- 10K OHM with Quick Charge Terminal
- 10K OHMS
- 10K VERP
- 120 Harness
- 180DEG ECO
- 2 Level High Pressure
- 20K OHM NTC Linear
- 2651-005WDABT1C
- AMB/DIS/Coil
- Adapter and Sensor
- Adjustment Valve for Tankless Gas Water Heater
- Air
- Air Pressure APS-02-A
- Air Pressure for 100-140K BTU Models
- All
- Ambient
- Ambient Coil Discharge
- Ambient Outdoor
- Aquasmart Oil with 2N1R Sensor
- Aquastat High Limit with Automatic Reset
- Assembly
- BFU
- Battery Powered
- Black
- Boiler
- Boiler Oil with Temperature Only Sensor 120V
- Boiler Return
- CC/CH/CR/NR/NP Model
- Cable Overmold
- Carbon Dioxide Duct Mount
- Cast Iron Sensor Chamber with Probes
- Clip for Water Heater
- Coil
- Compression Discharge Assembly
- Compressor
- Condensate Blockage Pressure Switch
- Condensation Sensor
- Condensation Sensor with Light Control
- Constant with Sensor
- Control Board
- Cover 4 Hole for RS-1 BR-1 Remote Sensor
- Cylinder
- D-TEK3 Refrigerant Infrared Sensor with Lithium-Ion Battery
- DHW
- DHW 120V
- DHW Flow KDC-FSAB PPS
- DHW Flow KDC-FSAB-FS PPS
- DHW Tank
- Defrost Thermistor
- Defrost Thermistor Discharge
- Detector
- Discharge
- Discharge BA/10K-2
- Dry Bulb
- Dual Immersion for CH402
- Dual Outlet
- Duct Sensor 5 Pack
- ECO
- ECO Honeywell Polaris with Wires
- Ecobrass
- Electric for Flame Sensor
- Electronic
- External NTC
- External Wired
- FK
- FV Sensor
- FV with Bracket
- FVIR Sensor Mount
- Female without Clip
- Flame Sensor
- Flame Sensor Burner
- Flame Sensor Electrode
- Flame Sensor NT
- Flammable Vapor
- Flood 3H1009790003
- Flood 5H1026650001
- Flue
- Flue Gas
- Flue Gas Sensor
- Flue Kit
- Flue Temperature
- Flue Temperature Sensor
- Flue for Alpine 399-800
- Flue for Aspen
- Flue with Grommet
- For AFR Flame Sensor
- For Alpine
- For Coleman/Evcon Gas Furnace
- For DHW K2WTC 135/180
- For Dual Fuel SC4812/SC5812
- For Flame Sensor
- For Flue Temperature
- For HD30-125
- For Knight WHN/KH055-285
- For Magnatherm 1600
- For NKC110/150/199
- For SC1000-3000 SC4010/SC5010
- For SC4000/SC5000 EXPT SC4010/SC5010
- For TC/TF/SC/SF Heater
- For TD121
- For Tank
- For Tank Assembly CAHP 120
- For Upper Lower Tank Temperature
- Furnace
- GEN-I
- GEN-II
- Gas
- Gas for GB
- Gas with Cable
- Greentherm Exhaust Back Flow
- Hardwired
- Harness
- Header 10K for Condensing Boiler
- Heater
- High Limit
- Hot Surface/Flame Sensor 80VAC 100113162
- Humidity
- Humidity JCI
- HydroStat Wall/Jacket with 10FT Sensor
- Hydrostat with 12 Inch Sensor
- Identification
- Igniter Flame Sensor
- Igniter Sensor Electronic LEC PENN Y75AA-3D
- Igniter with Gasket
- Ignition Sensor
- Indeeco 310-10-40-43C06B
- Indirect Tank
- Inlet
- Inlet Water
- Inlet/Outlet
- Inlet/Outlet 3-Wire
- Insight Long Life with 02 Sensor
- Integral Setpoint
- Kit
- Kit IQ251D
- Kit Mixed/Outdoor Air
- Kit Single/Dual
- Kit with Sensor
- Kit-S CH
- Kit-S DHW Probe
- Kit-S Flue
- LDM 100305039
- Limit
- Limit Rated Outlet
- Liquid
- Lockout
- Low Thermal with Female Connection
- Low Water
- Low Water Cut Off
- Low Water Cut Off and Temperature
- Low Water Cut Off with Automatic Reset
- Low Water Cut Off with Manual Reset
- Lower
- Lower C/W Molex
- Main
- Main Unit with Flow Sensor
- Male
- Mixed Air
- Module with Sensor Circuit
- Moisture Level 2-Chamber
- Moisture Level 4-Chamber
- Motion Wireless Control-R
- Mount FVIR Black
- Multi Assembly
- NTC 10K 3 Per Cent
- NTC Control Stat
- NTI
- Negative Temperature Coefficient T1/T3
- Negative Temperature Coefficient T2/T3/T8/T9
- Old SAP 100170535
- Outdoor
- Outdoor Air
- Outdoor Air Combination
- Outdoor Air Temperature Reset
- Outdoor Kit-S
- Outdoor NTC
- Outdoor Temperature
- Outdoor for VisionPro Series
- Outdoor with Cable
- Outlet High Limit
- Outside
- Outside Air
- Outside/Return/Supply Air
- Overheat Cutoff
- Overheat Eco
- Oxygen
- PSE-GW1
- PT 100 RTD
- Polaris Bagged
- Pressure
- Pressure Sensor 10-Piece
- Probe
- Probe Kit
- Probe for 4 Level Remote Sensor Model RS-4-BR-1
- Probe for PAH55
- Push In Limiter Assembly
- RES@25C 10.000K OHM
- RET Temperature Sensor
- RS-1-LP Low Pressure Sensor
- Radiator Head
- Rear with Gasket for FB751-200
- Reed
- Remote Control
- Remote High
- Repair Kit
- Replacement
- Replacement Temperature
- Reporting Kit with O2 Sensor
- Reset
- Return
- Return Air
- Return Heating Only 80 120 150 180
- Return Supply
- Rocket Fuel
- Rod
- SPC CL77
- Safety NTC
- Sensor
- Sensor 1769-82
- Sensor JC Y75MK-1D
- Sensor PSE-RZ11
- Sensor for GDHE-50-NG
- Single Level Remote High Pressure
- Spare Parts Kit
- Suction Line
- Supply
- Supply Limit Rated for Alpine 399-800
- Supply Repair
- Supply Temperature
- Supply Temperature Sensor
- Supply and Return
- Supply/Return
- Supply/Return Water Temperature
- Switch Conversion Kit
- System
- System 100296899
- System Assembly for CAHP 120
- T701-111R
- Tank
- Temperature Discharge
- Temperature Liquid
- Temperature Sensor Conduit Assembly
- Temperature for FTX400-850(N/L) Heating Boiler
- Unit with Flow Sensor
- Universal 10K OHMS
- Universal 3-In-1 Outdoor
- Universal Automatic Make-Up Air with Pressure Sensor Kit
- Universal with Washer
- Upper
- Upper Element for Water Heater
- Upper Lower
- Upper Lower Temperature Assembly
- Upper Thermal with Female Connection
- Upper for ECO Molex
- Upper for GSW 52710
- Vapor
- Wall
- Wall with Button
- Water
- Water Closet
- Water Heater
- Water Heater FV
- Water Heater Vapor
- Water Return with Clamp 12IN Lead
- Water Servo with Sensor Kit
- Water Supply/Return
- Water Temperature
- Water/Air NSF Compliant
- Whisper LED Light DC Motor Sensor
- Wired Indoor Remote
- With 34IN Lead
- With 48 Inch Wire
- With 6 Inch Lead
- With 98IN Wire
- With Adapter Cable
- With Bracket and Gasket
- With Bulb Well/Sleeve
- With Gasket
- With Gasket 100278782
- With Gasket 100278783
- With Gasket and Screws
- With Gasket for AP400-850
- With Gasket for EF Series
- With Gasket for FB751-2001
- With Gasket for KBN399/500
- With Gasket for SB100-1500/KBN600-800
- With Grommet All
- With Grommet for NKC110/150/199
- With Hall Sensor
- With Remote Sensor RX2 Probe
- With Screws
- With Sensor 0.340IN Orifice
- With Wiring Harness
Screwdriver Style
Sensor Configuration
Sensor Housing
Size
- 0.75x1.5x2.75IN
- 1-1/2IN
- 1/2IN
- 1/4IN NPT
- 1/4x1/32IN
- 1/8-27 NPT NSF
- 10FT
- 11Lx6Wx2HIN
- 12IN
- 15IN
- 1x3-7/8x3-5/32IN
- 2-1/2IN NPT
- 2-1/4x3/8IN
- 2x2IN
- 3-5/8IN
- 3-7/8IN
- 3.75" x 5.5”
- 3.75" x 5.5” Europe
- 3/16x1/32IN
- 3/4IN
- 3/4IN NPT
- 3/8IN
- 30IN
- 36IN
- 3Lx6Wx3HIN
- 4.1IN
- 4.3IN
- 4.5x2.75x1IN
- 48IN
- 5.25" x 7”
- 5.3" x 5.3”
- 6IN
- 6MM
- 7/8IN
- 7x4x8IN
- 8-3/16x2-3/4x2-3/4IN
- 8IN
Temp & Humidity Signals
Temperature
Temperature Sensor
Tube Length
Used on
- 151
- 2107 Logamatic
- 90000B2S
- Actuation Control
- All-CC/CH/CR/NR/NP Model
- Alpine
- AquaBalance 80/120/155
- AquaBalance Series 2 Gas Fired Water Boilers
- BTH 300/40/500 and 200/201 Commercial Gas Water Heater
- Boiler
- Bosch Tankless Water Heater
- CC/CR/NR/NP Models
- CG Series
- CG/CGM Series
- CH-ASME Model
- CH/NCB Model
- CTS Thermostat
- Chilled Water
- Coleman and Evcon Equipment
- Coleman and Evcon Gas Furnace
- Converting Single Unit to Dual
- E/Q Series
- E110CN/E75/Q130
- E50C
- EASE 090-120; EBSE 090 Air Conditioner
- EBP 110-175 Series Boilers; New Style After 2005
- EBP/ED Series Boilers
- ES2; Series 3; ESC; and MPO-IQ Series Boilers
- Elite/Elite FT/Elite Plus/Elite VWH/Phoenix Light Duty Water Heaters
- Endurance EBP Series Space/Water Heating Boiler
- FB N/L 751/1001/1501
- FT30-300 Units
- FTX N/L 400-850 Heating Boiler
- FTX400/500/600/725L/N
- Freedom FCM070; FCM090; and FCM120 Boilers
- Freedom Series Boilers
- Furnace
- Fyrite INSIGHT/ECA 450/Fyrite Tech 60
- Fyrite Residential Combustion Analyzers
- GB
- GB142 Series
- GB162
- GV-3 Trim Boilers
- Gas Furnace
- Greenstar FB100
- Greentherm
- HVACR Equipment
- Heat Pump
- Heating Boiler
- HydroStat 3200-Plus/3250-Plus Only
- Hydrostat
- JV
- K2 080-120
- KB399 to 800 Heating Boiler
- KBR/KWB/ZBR
- KBR/KWB/ZBR/ZWR
- Logamatic
- Logamatic Solar Controls
- MC50/80/99/120
- MFTCW140
- MT2/Penn 200-2000
- Modcon VWH
- Model 1U09AP2VHA/1U09BU1ERH/1U09EH2VHA/1U09TE1VHA/1U12AP2VHA/1U12BU1ERH
- Model GEN I/GEN II
- Model GPSH 40/50 Residential Water Heater
- Model GX2TW25S/TW25S/BN SX/TW25X76B/S3N/X M1TW/M2TW Water Heaters
- Model MIITW50TLN; EN-10
- Model PDV80T199/300/E/N/X/A
- Model SSB
- Model i201X/i251X
- Models 100 FVIR GS6; GPV Residential Power Vent Gas
- Models 40; 50;75 GPD; 50 GPDX Gas Power Direct-Vent
- Multi-Position Natural Gas Furnace
- Multilevel Control
- NCB Model
- NCB NHB
- NKC110-199
- NKC110/150/199
- NPE A Series
- NPE Series APS-02-A
- NPES Model
- OK151-286 Heating Boilers
- PCA 20/PCA3; Combustion and Emissions Analyzers
- Power vent Models
- Range Hood Universal Automatic
- SMB/SMW 200/250; EBP/ED 110-175 Series Boilers
- SSB255/399/819/1024/1024TL
- SSB85-SSB160
- Series 750B Remote Mount Control Modules
- Series Greentherm
- Sizes 080-180
- T/EL/ELP
- T/MC/EL/EFT
- T50M/80M/140M/199M/399M/MC
- T755S; T855S and T955S
- TK-510C-NI/TK-310C-NI/TK-110C-NI/NG Water Heater
- Tankless Water Heater
- Ultra 3 Commercial Boilers
- Ultra Series
- Ultra Series 310
- Ultra and GV90 Series
- V100 and V2000 Series Radiator Valves
- Vision 1 Control
- W7210; W7212; W7213; W7214; W7215; W7459; W7460
- W7212; W7459
- Water Heater
- XI600 and 500
- XL10; W7751
- ZBR/ZWB Condensing Gas Boilers
- ZWB Condensing Gas Boilers
VOC Output
Wallplate Material
°F or °C Display
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →
NGR02-BBA | Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
NGR02-CCA | Gas Regulator | 1" | 3/8" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-CCA
BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-D-BBX
N5D-1500-S | GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5D-1500-S
ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
SKU: ZPS-ACC04-1
B214 | Characterized Control Valve (CCV) | 1/2" | 2-way | Belimo
Brand: Belimo
SKU: B214
EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free | Everflow
Brand: Everflow
SKU: EPRC1501-NL