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 97–144 of 3957 resultsSorted by popularity

Remote Indoor Temperature Sensor, ±0.9° Accuracy, 0–95% RH

Johnson Controls

SKU: SEN-600-1
$107.60
MSRP: $123.74
You save 15%
Read more
A2L Refrigerant Sensor, R454B, RS485 Modbus Output, 24V, 2 Ft Cable

Johnson Controls

SKU: GM202-MH00
$223.53
MSRP: $257.06
You save 15%
Johnson Controls GM202-MH00 A2L Refrigerant Sensor, R454B, RS485 Modbus, 24V quantity
Outdoor Temperature Thermistor Sensor RLXFW-S

Fujitsu

SKU: 9900988036
$5.19
MSRP: $5.97
You save 15%
Read more
Yellow Room Temperature Thermistor for Refrigeration Systems

Heatcraft Refrigeration

SKU: 28913703
$44.85
MSRP: $51.58
You save 15%
Heatcraft Refrigeration 28913703 Yellow Room Temperature Thermistor quantity
Blue Thermistor Defrost Temperature Sensor

Heatcraft Refrigeration

SKU: 28913701
$64.54
MSRP: $74.22
You save 15%
Heatcraft Refrigeration 28913701 Blue Thermistor Defrost Temperature Sensor quantity
Thermistor Temperature Sensor, OEM Replacement Part

Daikin-McQuay

SKU: 6023935
$9.37
MSRP: $10.78
You save 15%
Daikin-McQuay 6023935 Thermistor Temperature Sensor quantity
Suction/Discharge Sensor RT Curve Z

Daikin-McQuay

SKU: 335791101
$83.08
MSRP: $95.54
You save 15%
Daikin-McQuay 335791101 Suction/Discharge Sensor RT Curve Z quantity
Flow Sensor for Bosch Hydronic & Heating Systems

Bosch HVAC

SKU: 87376007810
$119.21
MSRP: $137.09
You save 15%
Bosch 87376007810 Flow Sensor quantity
Zone Pressure Sensing Static Tube Accessory

BAPI

SKU: ZPS-ACC08
$12.99
MSRP: $14.94
You save 15%
BAPI ZPS-ACC08 Zone Pressure Sensing Static Tube Accessory quantity
CO2 sensor, 0–2000 ppm range, dual 0-10VDC & 4-20mA outputs

ACI

SKU: 144220
$267.16
MSRP: $307.23
You save 15%
ACI 144220 CO2 Sensor, 0-2000 ppm, 0-10VDC / 4-20mA Output quantity
Replacement thermistor probe for Friedrich HVAC systems

Friedrich

SKU: 69700283
$38.64
MSRP: $44.44
You save 15%
Read more
5-Foot NTC Temperature Sensor Probe for Refrigeration Systems

Copeland

SKU: 985-0318-00
$57.90
MSRP: $66.59
You save 15%
Copeland 985-0318-00 5' NTC Temperature Sensor Probe quantity
Outdoor ambient temperature sensing thermistor for AC & heat pump systems

General Electric (GE)

SKU: WP26X28043
$17.39
MSRP: $20.00
You save 15%
GE Appliances WP26X28043 Outdoor Thermistor for AC & Heat Pump Systems quantity
Suction Line Sensor 0.750 Inch

Trane

SKU: SEN02919

Rated 5.00 out of 5
$102.79
MSRP: $118.21
You save 15%
Trane SEN02919 Suction Line Sensor 0.750 Inch quantity
Temp Sensor

GREE

SKU: 3900030815
$27.45
MSRP: $31.57
You save 13%
GREE 3900030815 Temp Sensor quantity
Thermistor

GREE

SKU: 390000372
$39.10
MSRP: $44.97
You save 15%
GREE 390000372 Thermistor quantity
Detect-A-Fire 450°F Open-Rise Thermal Detector

Fenwal

SKU: 12-G28021-005-07
$488.33
MSRP: $561.58
You save 15%
Fenwal 12-G28021-005-07 Detect-A-Fire 450°F Open-Rise Thermal Detector quantity
Detect-A-Fire Heat Detector — 190 °F Overheat

Fenwal

SKU: 27121-20-190
$424.86
MSRP: $488.59
You save 15%
Read more
Detect‑A‑Fire 325°F Heat Detector

Fenwal

SKU: 12-F28021-005-06
$464.79
MSRP: $534.51
You save 15%
Fenwal 12‑F28021‑005‑06 Detect‑A‑Fire 325°F Heat Detector quantity
Flame Sensor – Reliable Furnace Ignition Component

Rheem

SKU: 62-23543-08K
$9.19
MSRP: $10.57
You save 15%
Rheem 62-23543-08K Flame Sensor – Reliable Furnace Ignition Component quantity
Entering Water Temperature Sensor

York

SKU: 025-40273-002
$174.00
MSRP: $200.10
You save 15%
York 025-40273-002 Entering Water Temperature Sensor quantity
Flame Sensor

York

SKU: S1-025-30802-000
$36.44
MSRP: $41.91
You save 15%
York S1-025-30802-000 Flame Sensor quantity
Enter/Leaving Water Temperature Sensor

York

SKU: 025-53145-000
$212.50
MSRP: $244.38
You save 15%
York 025‑53145‑000 Enter/Leaving Water Temperature Sensor quantity
Flame Sensor Rod, 90 Degree Bend

York

SKU: S1-2702-311P
$32.92
MSRP: $37.86
You save 15%
York S1‑2702‑311P Flame Sensor Rod, 90 Degree Bend quantity
Discharge Temperature Sensor

York

SKU: 025-53142-000
$258.11
MSRP: $296.83
You save 15%
York 025‑53142‑000 Discharge Temperature Sensor quantity
Maxitrol TS114F Discharge Air Temperature Sensor used with Mixing Tube

Maxitrol

SKU: TS114F
$136.56
MSRP: $157.04
You save 13%
Maxitrol TS114F Discharge Air Temperature Sensor used with Mixing Tube quantity
Navien 30023954A High Limit Sensor for NPE & NCB-E Tankless Water Heaters – OEM Replacement

Navien

SKU: 30023954A
$3.00
MSRP: $3.45
You save 15%
Navien 30023954A High Limit Sensor for NPE & NCB-E Tankless Water Heaters – OEM Replacement quantity
Klein Tools IR5 12:1 Dual-Laser Infrared Thermometer

Klein Tools

SKU: IR5
$74.98
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Honeywell C7027A1072 Minipeeper Ultraviolet Flame Detector

Honeywell Home

SKU: C7027A1072
$410.68
MSRP: $472.28
You save 15%
Honeywell C7027A1072 Minipeeper Ultraviolet Flame Detector quantity
Honeywell C7035A1064 Ultraviolet Minipeeper Flame Detector,

Honeywell Home

SKU: C7035A1064
$462.49
MSRP: $531.86
You save 13%
Honeywell C7035A1064 Ultraviolet Minipeeper Flame Detector quantity
Honeywell T775-SENS-WR Temperature Sensor

Resideo

SKU: T775-SENS-WR
$96.06
MSRP: $110.47
You save 15%
Honeywell T775-SENS-WR Temperature Sensor quantity
Lennox 69W43 Flame Sensor Kit

Lennox

SKU: 69W43
$58.63
MSRP: $67.42
You save 15%
Lennox 69W43 Flame Sensor Kit quantity
Maxitrol TS114 Discharge Air Temperature Sensor

Maxitrol

SKU: TS114
$136.56
MSRP: $157.04
You save 13%
Maxitrol TS114 Discharge Air Temperature Sensor quantity
Lennox 39F95 Flame Sensor

Lennox

SKU: 39F95
$112.26
MSRP: $129.10
You save 15%
Lennox 39F95 Flame Sensor quantity
Portable dual-port manometer for accurate gas pressure measurement

Fieldpiece

SKU: SDMN5
$188.02
Fieldpiece SDMN5 Dual-Port Digital Manometer for Gas Pressure Measurement quantity
Freeze Stat, 44°F On / 36°F Off

Trane

SKU: CNT1846
$143.81
MSRP: $165.38
You save 15%
Trane CNT1846 Freeze Stat, 44°F On / 36°F Off quantity
Body Static Pressure Sensor for Trane Systems

Trane

SKU: BOD0809
$44.51
MSRP: $51.19
You save 15%
Trane BOD0809 Body Static Pressure Sensor quantity
Discharge Temperature Switch for Trane Systems

Trane

SKU: SWT04660
$50.45
MSRP: $58.02
You save 15%
Trane SWT04660 Discharge Temperature Switch quantity
Liquid Line Temperature Sensor with 20″ Lead

Trane

SKU: SEN1542
$98.35
MSRP: $113.10
You save 15%
Trane SEN1542 Liquid Line Temperature Sensor with 20" Lead quantity
Temperature Sensor for Trane HVAC Systems

Trane

SKU: SEN02447
$62.30
MSRP: $71.65
You save 15%
Trane SEN02447 Temperature Sensor quantity
NTC Outdoor Temperature Sensor for Laars Heating Systems

Laars Heating Systems

SKU: E2347400
$45.90
MSRP: $52.79
You save 15%
Laars Heating Systems E2347400 NTC Outdoor Temperature Sensor quantity
Leak Breaker Sensor for Hydronic System Protection

Taco Comfort Solutions

SKU: 7240-LB1
$28.66
MSRP: $32.96
You save 15%
Taco Comfort Solutions 7240-LB1 Leak Breaker Sensor quantity
Ice Thickness Sensor for Scotsman Ice Machines

Scotsman Ice Machines

SKU: A39031-021
$104.81
MSRP: $120.53
You save 15%
Read more
Temperature Sensor Assembly for Refrigeration Control

Sporlan Controls

SKU: 952662
$156.39
MSRP: $179.85
You save 15%
Sporlan Controls 952662 Temperature Sensor Assembly quantity
0–1″ WC Unidirectional Low Differential Pressure Transducer

Setra

SKU: 2651001WD11T1C
$197.55
MSRP: $227.18
You save 15%
Setra 2651001WD11T1C 0–1" WC Unidirectional Low Differential Pressure Transducer quantity
±1″ WC Bidirectional Low Differential Pressure Transducer

Setra

SKU: 2641001WB11T1C
$219.73
MSRP: $258.44
You save 15%
Setra 2641001WB11T1C ±1" WC Bidirectional Low Differential Pressure Transducer quantity
0–50 PSID Unidirectional Pressure Transducer, 4-20 mA, 1/4″ NPT (F)

Setra

SKU: 2301050PD2F11B
$609.88
MSRP: $701.36
You save 15%
Setra 2301050PD2F11B 0–50 PSID Unidirectional Pressure Transducer, 4-20 mA quantity
0-1 PSI Gauge Pressure Transducer, 1/8″ NPT Male, 0.5-4.5 VDC

Setra

SKU: 2091001PG1M45P1
$266.29
MSRP: $306.23
You save 15%
Setra 2091001PG1M45P1 0-1 PSI Gauge Pressure Transducer, 1/8" NPT, 0.5-4.5V quantity

Sensors

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