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 
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 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 
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
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 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 
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
View Details
100327467 | K, TSTAT, SENSOR, OUTLET, LIMIT, SW | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100327467
View Details
100287156 | K, SENSOR, FLUE W/ GROMMET | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100287156
View Details
100278061 | K, WIRE HARNESS, ELECTRODE/FLAME SENSOR | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100278061
View Details
100208545 | K, THERMOSTAT, SENSOR, -20- +105C | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100208545
View Details
100170642 | K, SENSOR, FLUE TEMP, W/GROMMET | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100170642
View Details
100110832 | K, SENSOR/BRACKET, FLAMMABLE VAPOR | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100110832
View Details
100110707 | K, FLAME SENSOR, LEGEND 1000 ONLY | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100110707
View Details
100093669 | K, SENSOR, 180 DEG, ECO | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100093669
View Details
100275527 | K, SENSOR, FLUE, W/GROMMET, ALL | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100275527
View Details
100274734 | K, SENSOR , FLUE, PB2500-PB5000 | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100274734
View Details
100208556 | K, SENSOR, FLUE, LIMIT RATED | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100208556
View Details
100297104 | K, SENSOR, FLUE, W/GROMMET, AWH1250-4000 | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100297104
View Details
100224097 | K, GASKET, AFR, FLAME SENSOR, EK559 | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100224097
View Details
100208557 | K, SENSOR, DUAL, OUTLET | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100208557
View Details
100330186 | K, SENSOR, FLUE W/ GROMMET | Lochinvar / AO Smith
Brand: Lochinvar / AO Smith
SKU: 100330186
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
- 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 Ventilation Fan
- For Ventilation Fan with Light
- G125BE
- HE/VHE Series
- HVACR Equipment
- 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
- A.J. Antunes
- AERCO Boiler and Water Heater
- AJ Antunes
- Aaon
- Accustat PSG Controls
- Amana-Goodman
- Armstrong Furnace
- Armstrong International
- BROAN-NuTone
- Barber Colman
- Bard HVAC
- Bell Gossett
- Bradford White
- Carlyle
- Carrier
- ClimateMaster
- Copeland
- Daikin-McQuay
- Danfoss
- DriSteem
- EWC Controls
- Eclipse
- Emerson Climate-White Rodgers
- Fenwal
- Fireye
- GE Sensing-General Eastern
- Greenheck
- Grundfos
- Heatcraft Refrigeration
- Honeywell
- Honeywell Analytics
- Honeywell E-MON Meters
- Indeeco
- International Comfort Products
- Johnson Controls
- KMC Controls
- Kele Product
- Kromschroder
- Laars Heating Systems
- Lennox
- Liebert
- MAMAC Systems
- Marvair
- Maxitrol
- McDonnell Miller
- Micronet
- Mitsubishi Electric
- Nortec Humidity
- PRO 1 IAQ
- Packard
- RBI Boiler
- Raypak
- Resideo
- Reznor
- Rheem-Ruud
- Scotsman Ice Machines
- Setra
- Siemens Building Technology
- Siemens Combustion
- Spartan Valves
- Sporlan Controls
- System Sensor
- Taco
- Titus HVAC
- Trane
- Utica-Dunkirk
- Veris Industries
- Viessmann
- Warrick-Gems Sensors Controls
- Weil McLain
- York
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
- 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 Parts
- Wire Harness & Components
- Belimo FS Series
- 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
Material
Mounting
Part Number
- 10401947
- 6535F
- 11752F
- 13163F
- 13164F
- 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-SPR0103
Pressure Pickup Type
Pressure Range
Pressure Ranges
Pressure Setpoint Range
Probe Type
Product Type
- 2532924000
- 1/8-27NPT PTC
- 100272810
- 100276324
- 100296920
- 100296951
- 100307280
- 100307281
- 10K OHM with Quick Charge Terminal
- 10K OHMS
- 10K VERP
- 2 Level High Pressure
- 20K OHM NTC Linear
- AMB/DIS/Coil
- Adapter and Sensor
- Air Pressure APS-02-A
- Air Pressure for 100-140K BTU Models
- All
- Ambient
- Ambient Outdoor
- 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
- 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
- Cover 4 Hole for RS-1 BR-1 Remote Sensor
- Cylinder
- D-TEK3 Refrigerant Infrared Sensor with Lithium-Ion Battery
- DHW
- DHW Flow KDC-FSAB PPS
- DHW Flow KDC-FSAB-FS PPS
- Defrost Thermistor
- Detector
- Discharge
- Discharge BA/10K-2
- Dual Outlet
- Duct Sensor 5 Pack
- ECO
- Ecobrass
- Electric for Flame Sensor
- Electronic
- External NTC
- External Wired
- FK
- Female without Clip
- Flame Sensor
- 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
- For Alpine
- For Coleman/Evcon Gas Furnace
- For DHW K2WTC 135/180
- For Flame Sensor
- For Flue Temperature
- For HD30-125
- For Magnatherm 1600
- For SC1000-3000 SC4010/SC5010
- For SC4000/SC5000 EXPT SC4010/SC5010
- For TC/TF/SC/SF Heater
- For TD121
- GEN-II
- Gas
- Gas for GB
- Gas with Cable
- Greentherm Exhaust Back Flow
- Harness
- Header 10K for Condensing Boiler
- Heater
- High Limit
- HydroStat Wall/Jacket with 10FT Sensor
- Igniter Flame Sensor
- Igniter Sensor Electronic LEC PENN Y75AA-3D
- Igniter with Gasket
- Ignition Sensor
- Indirect Tank
- Inlet
- Inlet/Outlet 3-Wire
- Insight Long Life with 02 Sensor
- Integral Setpoint
- Kit
- Kit IQ251D
- Kit with Sensor
- Kit-S CH
- Kit-S DHW Probe
- Kit-S Flue
- Limit
- Liquid
- Lockout
- 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
- Main
- Male
- Module with Sensor Circuit
- Motion Wireless Control-R
- Mount FVIR Black
- NTC Control Stat
- NTI
- Negative Temperature Coefficient T1/T3
- Negative Temperature Coefficient T2/T3/T8/T9
- Outdoor
- Outdoor Air Combination
- Outdoor Air Temperature Reset
- Outdoor Kit-S
- Outdoor NTC
- Outdoor Temperature
- Outdoor for VisionPro Series
- Outdoor with Cable
- Outside
- Outside Air
- Overheat Cutoff
- Overheat Eco
- Oxygen
- 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
- 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
- Rocket Fuel
- Rod
- SPC CL77
- Safety NTC
- Sensor
- Sensor 1769-82
- Sensor JC Y75MK-1D
- Sensor PSE-RZ11
- 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
- T701-111R
- Tank
- Temperature Discharge
- Temperature Liquid
- 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
- Vapor
- Water
- Water Closet
- Water Heater
- 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 6 Inch Lead
- With Adapter Cable
- With Gasket
- With Gasket 100278782
- With Gasket 100278783
- With Gasket and Screws
- With Gasket for EF Series
- With Grommet All
- With Remote Sensor RX2 Probe
- With Screws
- With Sensor 0.340IN Orifice
Screwdriver Style
Sensor Configuration
Sensor Housing
Size
- 0.75x1.5x2.75IN
- 1-1/2IN
- 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
- 30IN
- 36IN
- 3Lx6Wx3HIN
- 4.1IN
- 4.3IN
- 4.5x2.75x1IN
- 48IN
- 5.25" x 7”
- 5.3" x 5.3”
- 6IN
- 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
- Boiler
- Bosch Tankless Water Heater
- CC/CR/NR/NP Models
- CG Series
- CG/CGM Series
- CH-ASME Model
- CH/NCB Model
- Chilled Water
- Coleman and Evcon Equipment
- Coleman and Evcon Gas Furnace
- 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
- FT30-300 Units
- 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
- HydroStat 3200-Plus/3250-Plus Only
- Hydrostat
- JV
- K2 080-120
- KBR/KWB/ZBR
- KBR/KWB/ZBR/ZWR
- Logamatic
- MC50/80/99/120
- MFTCW140
- MT2/Penn 200-2000
- Modcon VWH
- Model 1U09AP2VHA/1U09BU1ERH/1U09EH2VHA/1U09TE1VHA/1U12AP2VHA/1U12BU1ERH
- Model GEN I/GEN II
- 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
- Multilevel Control
- NCB Model
- NCB NHB
- NPE A Series
- NPE Series APS-02-A
- NPES Model
- 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
- 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
- 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" NPT | 1/4" Orifice | Green Spring 6.5"-16"wc | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
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