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 433–480 of 645 resultsSorted by popularity

Flame Sensor

Carrier

SKU: LH680013
$32.41
MSRP: $37.27
You save 15%
Carrier LH680013 Flame Sensor quantity
Freeze Sensor / Thermistor

Carrier

SKU: S17S0030N01
$82.76
MSRP: $95.17
You save 15%
Carrier S17S0030N01 Freeze Sensor / Thermistor quantity
Flame Sensor – Reliable OEM Burner Flame Detection Probe

Rheem

SKU: 62-21744-01
$36.84
MSRP: $42.37
You save 15%
Rheem 62-21744-01 Flame Sensor – Reliable OEM Burner Flame Detection Probe quantity
Flame Sensor

Carrier

SKU: 50HJ401431
$31.69
MSRP: $36.44
You save 15%
Carrier 50HJ401431 Flame Sensor quantity
Flame Sensor

Carrier

SKU: LH33WZ518
$19.89
MSRP: $22.87
You save 15%
Carrier LH33WZ518 Flame Sensor quantity
Temperature Sensor / Water Probe

Carrier

SKU: HH79NZ032
$190.81
MSRP: $219.43
You save 15%
Carrier HH79NZ032 Temperature Sensor / Water Probe quantity
Chamber Sensor Kit – Accurate OEM Combustion Monitoring Sensor

Rheem

SKU: SP21019
$56.32
MSRP: $64.77
You save 15%
Rheem SP21019 Chamber Sensor Kit – Accurate OEM Combustion Monitoring Sensor quantity
Thermistor Kit – Accurate OEM Temperature Sensing Replacement

Rheem

SKU: SP20845
$53.36
MSRP: $61.36
You save 15%
Rheem SP20845 Thermistor Kit – Accurate OEM Temperature Sensing Replacement quantity
Enthalpy Sensor – Reliable Outdoor Air Enthalpy Control Sensor

Rheem

SKU: PD955609
$209.37
MSRP: $240.78
You save 15%
Rheem–Ruud PD955609 Enthalpy Sensor – Reliable Outdoor Air Enthalpy Control Sensor quantity
Flame Sensor – Reliable Furnace Flame Detection Replacement

Armstrong Furnace

SKU: RS36453B001
$111.49
MSRP: $128.21
You save 15%
Armstrong RS36453B001 Flame Sensor – Reliable Furnace Flame Detection Replacement quantity
Condensate Sensor

Carrier

SKU: 12B0005N01
$9.65
MSRP: $11.10
You save 15%
Carrier 12B0005N01 Condensate Sensor quantity
Flame Sensor

Carrier

SKU: LH33CM018
$137.26
MSRP: $157.85
You save 15%
Carrier LH33CM018 Flame Sensor quantity
Photoelectric Duct Smoke Sensor

Carrier

SKU: HK50ZT001
$770.25
MSRP: $885.79
You save 15%
Carrier HK50ZT001 Photoelectric Duct Smoke Sensor quantity
Flame Sensor – Reliable Flame Detection for Gas Furnaces and Heating Systems

Armstrong Furnace

SKU: R38492B001
$23.33
MSRP: $26.83
You save 15%
Armstrong R38492B001 Flame Sensor – Reliable Flame Detection for Gas Furnaces and Heating Systems quantity
Current Sensor Board

Carrier

SKU: HK50AA035
$113.59
MSRP: $130.63
You save 15%
Carrier HK50AA035 Current Sensor Board quantity
Remote Temperature Probe – 60″ Pipe-Mount Temperature Sensor

Carrier

SKU: G100-70289342
$123.63
MSRP: $142.17
You save 15%
Carrier G100‑70289342 Remote Temperature Probe – 60″ Pipe-Mount Temperature Sensor quantity
Enthalpy Sensor

Carrier

SKU: 9901-0018
$702.09
MSRP: $807.40
You save 15%
Carrier 9901‑0018 Enthalpy Sensor quantity
Low Pressure Transducer

Carrier

SKU: 00PPG000030700A
$221.85
MSRP: $255.13
You save 15%
Carrier 00PPG000030700A Low Pressure Transducer quantity
Flame Sensor

Carrier

SKU: LH680534
$35.94
MSRP: $41.33
You save 15%
Carrier LH680534 Flame Sensor quantity
Suction Pressure Transducer

Carrier

SKU: HK05SZ003
$139.15
MSRP: $160.02
You save 15%
Carrier HK05SZ003 Suction Pressure Transducer quantity
Pressure Transducer

Carrier

SKU: HK05YZ007
$648.42
MSRP: $745.68
You save 15%
Carrier HK05YZ007 Pressure Transducer quantity
Discharge Pressure Transducer

Carrier

SKU: HK05ZZ001
$139.15
MSRP: $160.02
You save 15%
Carrier HK05ZZ001 Discharge Pressure Transducer quantity
OEM Flame Sensor – Direct Drop‑In Replacement Sensor

Carrier

SKU: 48GS400192
$16.49
MSRP: $18.96
You save 13%
Carrier 48GS400192 OEM Flame Sensor – Direct Drop‑In Replacement Sensor quantity
Outside Air Temperature (OAT) Sensor

Carrier

SKU: HH57AC080
$100.26
MSRP: $115.30
You save 15%
Carrier HH57AC080 Outside Air Temperature (OAT) Sensor quantity
TP2 Sensor MBT-153 – Precision Temperature Sensor for HVAC and Industrial Applications

Danfoss

SKU: 084N3016
$55.20
MSRP: $63.48
You save 15%
Danfoss 084N3016 TP2 Sensor MBT-153 – Precision Temperature Sensor for HVAC and Industrial Applications quantity
Thermistor Sensor 4″

Carrier

SKU: HH79NZ029
$89.36
MSRP: $102.76
You save 15%
Carrier HH79NZ029 Thermistor Sensor 4" quantity
Enthalpy Sensor

Carrier

SKU: HH680013
$124.99
MSRP: $359.36
You save 65%
Carrier HH680013 Enthalpy Sensor quantity
Outdoor/Air‑Temperature Sensor

Carrier

SKU: HH79NZ039
$45.43
MSRP: $52.24
You save 15%
Carrier HH79NZ039 Outdoor/Air‑Temperature Sensor quantity
Flue Gas Temperature Sensor

Burnham Boiler

SKU: 106066-01
$51.63
MSRP: $59.37
You save 15%
Burnham 106066‑01 Flue Gas Temperature Sensor quantity
Outdoor Air / Mixed Air Temperature Sensor (20K NTC)

Carrier

SKU: HH79AH001
$116.10
MSRP: $133.52
You save 15%
Carrier HH79AH001 Outdoor Air / Mixed Air Temperature Sensor (20K NTC) quantity
Carrier ZS2PCAR (ZS2 Pro) Temperature Sensor – Communicating Zone Sensor with LCD Display for Building Automation Systems

Carrier

SKU: ZS2PCAR
$253.81
MSRP: $291.88
You save 15%
Carrier ZS2PCAR (ZS2 Pro) Temperature Sensor – Communicating Zone Sensor with LCD Display for Building Automation Systems quantity
Danfoss 015G3098 RAS-D Mounted Sensor – High Altitude Thermostatic Sensor for Precise Temperature Regulation

Danfoss

SKU: 015G3098
$82.38
MSRP: $94.74
You save 15%
Danfoss 015G3098 RAS-D Mounted Sensor – High Altitude Thermostatic Sensor for Precise Temperature Regulation quantity
Danfoss 060G1037 AKS 32R Pressure Sensor – Reliable 4–20mA Transmitter for HVAC and Refrigeration Systems

Danfoss

SKU: 060G1037
$203.96
MSRP: $322.35
You save 37%
Danfoss 060G1037 AKS 32R Pressure Sensor – Reliable 4–20mA Transmitter for HVAC and Refrigeration Systems quantity
Danfoss 080Z2187 Zone Temperature Sensor – Accurate Room Temperature Monitoring for HVAC Systems

Danfoss

SKU: 080Z2187
$98.44
MSRP: $113.21
You save 15%
Danfoss 080Z2187 Zone Temperature Sensor – Accurate Room Temperature Monitoring for HVAC Systems quantity
Danfoss 060G3945 Pressure Transducer 0–145 PSI, 4–20mA Output, 1/4″ Connection – Accurate Pressure Monitoring

Danfoss

SKU: 060G3945
$485.70
MSRP: $627.59
You save 23%
Danfoss 060G3945 Pressure Transducer 0–145 PSI, 4–20mA Output, 1/4" Connection – Accurate Pressure Monitoring quantity
Y75 Series replacement flame sensor for electronic ignition systems

Baso Gas Products

SKU: Y75BA-1
$25.59
MSRP: $29.43
You save 13%
BASO Gas Products Y75BA-1 Flame Sensor quantity
BASO Gas Products Y75AH-2 Flame Sensor

Baso Gas Products

SKU: Y75AH-2
$21.53
MSRP: $24.76
You save 15%
BASO Gas Products Y75AH-2 Flame Sensor quantity
BASO Gas Products Y75AA-5 Flame Sensor

Baso Gas Products

SKU: Y75AA-5
$24.58
MSRP: $28.27
You save 13%
BASO Gas Products Y75AA-5 Flame Sensor quantity
BASO Gas Products Y75AA-10 Flame Sensor

Baso Gas Products

SKU: Y75AA-10
$82.30
MSRP: $94.65
You save 15%
BASO Gas Products Y75AA-10 Flame Sensor quantity
Danfoss 077F8761 Temperature Sensor 5ft – -40 to 85°C HVAC & Refrigeration Sensor

Danfoss

SKU: 077F8761
$14.94
MSRP: $17.18
You save 15%
Danfoss 077F8761 Temperature Sensor 5ft – -40 to 85°C HVAC & Refrigeration Sensor quantity
Danfoss 013G-8568 Wall Mount Sensor & Dial with 26′ Capillary – RA2000 Temperature Control Accessory

Danfoss

SKU: 013G-8568
$239.79
MSRP: $275.99
You save 13%
Danfoss 013G-8568 Wall Mount Sensor & Dial with 26' Capillary – RA2000 Temperature Control Accessory quantity
Danfoss 013G-8565 Wall Mount Sensor & Dial with 16′ Capillary – RA2000 Temperature Control Accessory

Danfoss

SKU: 013G-8565
$188.29
MSRP: $216.53
You save 15%
Danfoss 013G-8565 Wall Mount Sensor & Dial with 16' Capillary – RA2000 Temperature Control Accessory quantity
Danfoss 013G-8562 Wall Mount Sensor & Dial with 6′ Capillary – RA2000 Temperature Control Accessory

Danfoss

SKU: 013G-8562
$164.76
MSRP: $189.47
You save 15%
Danfoss 013G-8562 Wall Mount Sensor & Dial with 6' Capillary – RA2000 Temperature Control Accessory quantity
Danfoss 015G-4292 RA2000 Operator – With 6′ Remote Sensor for Thermostatic Valves

Danfoss

SKU: 015G-4292
$116.20
MSRP: $133.63
You save 15%
Danfoss 015G-4292 RA2000 Operator – With 6' Remote Sensor for Thermostatic Valves quantity
Beckett 7600P01U LWCO & Temperature Sensor – 12″ Lead Replacement for Oil Burners

Beckett

SKU: 7600P01U
$86.63
MSRP: $101.43
You save 15%
Beckett 7600P01U LWCO & Temperature Sensor – 12" Lead Replacement for Oil Burners quantity
Beckett 7622TW03 3/4″ NPT Brass Well – Durable Oil Burner Temperature Well

Beckett

SKU: 7622TW03
$42.35
MSRP: $49.61
You save 15%
Beckett 7622TW03 3/4" NPT Brass Well – Durable Oil Burner Temperature Well quantity
Beckett 596101BU Pack of 6 Cad Cell Eyes – Reliable Flame Sensors for Oil Burners

Beckett

SKU: 596101BU
$68.95
MSRP: $80.80
You save 15%
Beckett 596101BU Pack of 6 Cad Cell Eyes – Reliable Flame Sensors for Oil Burners quantity
BASO J994FLW-7218 Natural Gas Pilot Burner Assembly – .018″ Orifice with Inlet Fitting for Reliable Ignition

Baso Gas Products

SKU: J994FLW-7218
$93.33
MSRP: $107.33
You save 15%
BASO J994FLW-7218 Natural Gas Pilot Burner Assembly – .018" Orifice with Inlet Fitting for Reliable Ignition quantity