Sensors

Sensors detect changes in your environment and send critical data to HVAC, plumbing, and electrical systems. These devices monitor temperature, pressure, flow, and more to keep systems running safely and efficiently. Choose from our wide selection of sensor types and sizes to get the monitoring solution you need today.

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Showing 49–96 of 3957 resultsSorted by popularity

Duct Temp Sensor, 10K NTC Type III, 8″ Probe, Flange Mount, 6″ Leads

MAMAC

SKU: TE-701-A-7-C
$8.63
MSRP: $9.92
You save 15%
MAMAC TE-701-A-7-C Duct Temp Sensor, 10K Ohm NTC Type III, 8" Probe, Flange quantity
Thermistor Assembly, OEM Replacement Part

Daikin-McQuay

SKU: 6015244
$10.78
MSRP: $12.40
You save 15%
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Low Ambient Control, 350#/225# Pressure Ratings

Bard HVAC

SKU: 8406-112BX
$81.66
MSRP: $93.91
You save 13%
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Waterflow Detector for 1″ to 2″ Pipe with 1″ NPT Connection

System Sensor

SKU: WFDTN
$166.30
MSRP: $191.25
You save 15%
System Sensor WFDTN Waterflow Detector for 1" to 2" Pipe with 1" NPT Connection quantity
Preset Temperature Sensor 74°F

Accustat PSG Controls

SKU: T-74
$6.91
MSRP: $7.95
You save 15%
Accustat PSG Controls T-74 Preset Temperature Sensor 74°F quantity
70°F Preset Temperature Sensor

Accustat PSG Controls

SKU: T-70
$12.70
MSRP: $14.61
You save 15%
Accustat PSG Controls T‑70 70°F Preset Temperature Sensor quantity
Detect‑A‑Fire 190 °F Open/Rise Thermal Detector

Fenwal

SKU: 12-E27121-000-04
$396.19
MSRP: $455.62
You save 15%
Fenwal 12‑E27121‑000‑04 Detect‑A‑Fire 190 °F Open/Rise Thermal Detector quantity
Flame Sensor – Reliable Furnace Flame Detection Replacement

Armstrong Furnace

SKU: R46895-001
$12.00
MSRP: $13.80
You save 15%
Armstrong R46895-001 Flame Sensor – Reliable Furnace Flame Detection Replacement quantity
Danfoss 015G3098 RAS-D Mounted Sensor – High Altitude Thermostatic Sensor for Precise Temperature Regulation

Danfoss

SKU: 015G3098
$80.76
MSRP: $92.87
You save 15%
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Danfoss 060G1037 AKS 32R Pressure Sensor – Reliable 4–20mA Transmitter for HVAC and Refrigeration Systems

Danfoss

SKU: 060G1037
$180.30
MSRP: $322.35
You save 44%
Danfoss 060G1037 AKS 32R Pressure Sensor – Reliable 4–20mA Transmitter for HVAC and Refrigeration Systems quantity
Navien 30028036A Flame Rod for NPE and NCB Series

Navien

SKU: 30028036A
$25.75
MSRP: $29.61
You save 15%
Navien 30028036A Flame Rod for NPE and NCB Series quantity
Honeywell FSP-951 Photelectric Smoke Detector

Honeywell Home

SKU: FSP-951
$76.84
MSRP: $235.46
You save 67%
Honeywell FSP-951 Photelectric Smoke Detector quantity
Electropneumatic Transducer

Veris

SKU: EP3031S
$275.08
MSRP: $316.34
You save 15%
Veris EP3031S Electropneumatic Transducer quantity
Current Transducer

Veris

SKU: H-922
$81.05
MSRP: $93.21
You save 15%
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Discharge Air Sensor

Honeywell Home

SKU: EP-DAS
$24.99
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Multi-Configurable Wet-to-Wet Differential Pressure Sensor w/ LCD

Setra

SKU: 231G-MS3-2F-D
$680.56
MSRP: $782.64
You save 15%
Setra 231G-MS3-2F-D Multi-Configurable Wet-to-Wet Differential Pressure Sensor quantity
Thermistor Th21 OEM Replacement Sensor

Mitsubishi

SKU: U41002200
$25.09
MSRP: $28.85
You save 15%
Mitsubishi U41002200 Thermistor Th21 quantity
Thermistor Th5 Th22/23 Replacement Sensor

Mitsubishi

SKU: U41001200
$19.06
MSRP: $21.92
You save 15%
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Heat Exchanger Temperature Thermistor | U01A02307

Mitsubishi

SKU: U01A02307
$22.60
MSRP: $25.99
You save 15%
Mitsubishi U01A02307 Heat Exchanger Temperature Thermistor quantity
Room Temperature Thermistor for Mitsubishi Systems

Mitsubishi

SKU: U01A01308
$4.96
MSRP: $5.70
You save 15%
Read more
Indoor Coil Thermistor for Mitsubishi Mini-Split Systems

Mitsubishi

SKU: E22D68307
$15.84
MSRP: $18.22
You save 15%
Mitsubishi E22D68307 Indoor Coil Thermistor quantity
Hex Door Temperature Switch for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100292715
$28.00
MSRP: $32.20
You save 15%
Lochinvar & A.O. Smith 100292715 Hex Door Temperature Switch quantity
Smart Room Sensor for Intelligent Comfort Control

Lennox

SKU: 22V25
$123.96
MSRP: $142.55
You save 15%
Read more
Slide Position Sensor for AWS & 32 Series Units

Daikin-McQuay

SKU: 330591103
$1,141.66
MSRP: $1,312.91
You save 15%
Daikin-McQuay 330591103 Slide Position Sensor for AWS Units quantity
10K Ohm NTC Type II 6″ Insertion HVAC Duct Temperature Sensor

Honeywell Home

SKU: C7776A1040
$59.86
MSRP: $68.84
You save 15%
Honeywell C7776A1040 Duct Probe Sensor – 10K Ohm NTC Type II 6" Insertion quantity
Replacement UV Tube Flame Sensor for Firetron Scanner Systems

Fireye

SKU: 4-290-1
$333.85
Read more
Industrial RTD Probe Temperature Sensor for Burner Management Systems

Fireye

SKU: TS-350-4
$1,160.53
MSRP: $1,334.61
You save 15%
Read more
Direct Mount Setpoint Controller with Integrated Remote Sensor

Resideo

SKU: T100F1395
$64.58
MSRP: $74.27
You save 15%
Read more
Remote Indoor Temperature Sensor

Trane

SKU: ZZSENSAL0400AA
$29.30
MSRP: $33.70
You save 15%
Trane ZZSENSAL0400AA Remote Indoor Temperature Sensor quantity
Flame Sensor

Burnham Boiler

SKU: 105880-01
$42.53
MSRP: $48.91
You save 15%
Burnham Boiler 105880-01 Flame Sensor quantity
Temperature Sensor for Gas & Oil Boilers

Burnham Boiler

SKU: 106495-02
$121.86
MSRP: $140.14
You save 15%
Burnham 106495-02 Temperature Sensor for Gas & Oil Boilers quantity
Enthalpy Sensor

Carrier

SKU: HH680013
$62.49
MSRP: $359.36
You save 83%
Carrier HH680013 Enthalpy Sensor quantity
Navien 30024866A Flow Sensor for NPE & NCB-E Tankless Water Heaters – OEM Replacement

Navien

SKU: 30024866A
$42.63
MSRP: $49.44
You save 14%
Navien 30024866A Flow Sensor for NPE & NCB-E Tankless Water Heaters – OEM Replacement quantity
Z-Wave Wireless Temperature Sensor for Smart HVAC Control

Trane

SKU: ZSENS930AW00MA
$96.66
MSRP: $111.16
You save 15%
Trane ZSENS930AW00MA Z-Wave Temperature Sensor quantity
10K Temperature Sensor, Blue, 20 Ft Lead Wire

Sporlan Controls

SKU: 230076
$53.26
MSRP: $61.25
You save 15%
Sporlan Controls 230076 10K Temperature Sensor Blue 20 Ft Lead quantity
0–2.5″ WC Unidirectional Low Differential Pressure Transducer

Setra

SKU: 26512R5WDACT1C
$197.55
MSRP: $227.18
You save 15%
Setra 26512R5WDACT1C 0–2.5" WC Unidirectional Low Differential Pressure Transducer quantity
±0.1″WC Bidirectional Low Differential Pressure Transducer

Setra

SKU: 26510R1WB11T1C
$197.54
MSRP: $227.17
You save 15%
Read more
Thermistor-S Sensor for SVZ Air Handler Units

Mitsubishi

SKU: U41007200
$27.54
MSRP: $31.67
You save 15%
Mitsubishi U41007200 Thermistor-S for SVZ Air Handler Units quantity
Indoor Coil Thermistor for Mitsubishi Systems

Mitsubishi

SKU: U01A01307
$15.16
MSRP: $17.43
You save 15%
Mitsubishi U01A01307 Indoor Coil Thermistor quantity
Float Switch for Mitsubishi Mini-Split Systems

Mitsubishi

SKU: R61022541
$21.86
MSRP: $25.14
You save 15%
Mitsubishi R61022541 Float Switch quantity
Thermistor DS Discharge Sensor – OEM Replacement Part

Mitsubishi

SKU: R01N24202
$48.94
MSRP: $56.28
You save 15%
Read more
Float Sensor Assembly for Mitsubishi HVAC Systems

Mitsubishi

SKU: R01E15272
$77.84
MSRP: $89.52
You save 15%
Read more
Room Temperature Thermistor, OEM Replacement Part

Mitsubishi

SKU: E22J44308
$11.66
MSRP: $13.41
You save 15%
Mitsubishi E22J44308 Room Temperature Thermistor quantity
Indoor Coil Thermistor for Mitsubishi Mini-Split Systems

Mitsubishi

SKU: E22J44307
$15.84
MSRP: $18.22
You save 15%
Mitsubishi E22J44307 Indoor Coil Thermistor quantity
Room Temperature Thermistor for Mitsubishi Systems

Mitsubishi

SKU: E22D68308
$13.21
MSRP: $15.19
You save 15%
Mitsubishi E22D68308 Room Temperature Thermistor quantity
Room Temperature Thermistor for Mitsubishi Systems

Mitsubishi

SKU: E22C32308
$16.91
MSRP: $19.45
You save 15%
Mitsubishi E22C32308 Room Temperature Thermistor quantity
Thermistor Set for Defrost and Discharge Sensing

Mitsubishi

SKU: E227K0306
$24.54
MSRP: $28.22
You save 15%
Mitsubishi E227K0306 Thermistor Set Defrost/Discharge quantity
Thermistor with O-Ring for Electric Water Heaters

Lochinvar & A.O. Smith

SKU: 100288279
$40.05
MSRP: $46.06
You save 15%
Read more

Sensors

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