Duct Sensors

Duct Sensors monitor air temperature, humidity, and air quality directly within your HVAC ductwork for precise climate control. These sensors provide critical data for building automation systems to optimize performance and energy efficiency. Jackson Systems stocks a wide selection of duct sensors in various materials and sizes – shop with us for reliable HVAC monitoring solutions.

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Showing 49–96 of 207 resultsSorted by popularity

Duct Temp Sensor, Pt RTD, 1k Ohm, 18″ Rigid Probe, -40°F to 180°F

Siemens

SKU: 544-339-18
$49.12
MSRP: $56.49
You save 15%
Siemens 544-339-18 Duct Temperature Sensor, Pt RTD, 1k Ohm, 18" Rigid Probe quantity
Duct Temperature Sensor, 100k Ohm Thermistor, 18″ Rigid Probe

Siemens

SKU: 540-244-18
$74.94
MSRP: $86.18
You save 15%
Siemens 540-244-18 Duct Temperature Sensor, 100k Ohm Thermistor, 18" Probe quantity
Duct Temperature Sensor, RJ-11, 4″ Rigid, -40°F to 180°F

Siemens

SKU: 538-871
$59.24
MSRP: $68.13
You save 15%
Siemens Building Technology 538-871 Duct Temperature Sensor, RJ-11 quantity
Duct Temperature Sensor, 100k Ohm Thermistor, 4″ Rigid Probe

Siemens

SKU: 536-811
$19.00
MSRP: $21.85
You save 15%
Siemens 536-811 Duct Temperature Sensor, 100k Ohm Thermistor, 4" Rigid Probe quantity
Duct Temperature Sensor, 100k Ohm Thermistor, 18″ Rigid Probe

Siemens

SKU: 535-741-18
$38.96
MSRP: $44.80
You save 15%
Siemens 535-741-18 Duct Temperature Sensor, 100k Ohm Thermistor, 18" Rigid Probe quantity
Duct Temperature Sensor, 4-20mA Output, 18″ Rigid Probe, Lead Wires

Siemens

SKU: 535-490-18
$111.00
MSRP: $127.65
You save 15%
Siemens 535-490-18 Duct Temperature Sensor, 4-20mA, 18" Rigid Probe quantity
Duct Temperature Sensor, 4-20mA Output, 24 ft Flexible Probe

Siemens

SKU: 533-380-24
$173.14
MSRP: $199.11
You save 15%
Siemens 533-380-24 Duct Temperature Sensor, 4-20mA, 24 ft Flexible Probe quantity
Duct Temperature Sensor, 4-20mA, 16 ft Flexible Probe, No Display

Siemens

SKU: 533-380-16
$160.84
MSRP: $184.97
You save 15%
Siemens 533-380-16 Duct Temperature Sensor, 4-20mA, 16 ft Flexible Probe quantity
Duct Temperature Sensor, 4-20mA, 20-120°F, 8″ Rigid Probe, Lead Wires

Siemens

SKU: 533-376-8
$94.11
MSRP: $108.23
You save 15%
Siemens 533-376-8 Duct Temperature Sensor, 4-20mA, 20-120°F, 8" Rigid Probe quantity
Duct Temperature Sensor, 4-20mA, 18″ Rigid Probe, 20–120°F

Siemens

SKU: 533-376-18
$98.45
MSRP: $113.22
You save 15%
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Flexible Averaging Temperature Sensor, 10K NTC Thermistor, 24′ Armored Cable

MAMAC

SKU: TE-707-B-12-C-2
$75.48
MSRP: $86.80
You save 15%
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Duct Averaging Temp Sensor, 10K NTC Thermistor, 24′ Probe, NEMA 1

MAMAC

SKU: TE-705-B-8-C-1
$75.48
MSRP: $86.80
You save 15%
Read more
Duct Temp Sensor, 10K NTC Type III, 6″ Probe, NEMA 1 Enclosure

MAMAC

SKU: TE-702-B-7Z-B
$17.54
MSRP: $20.17
You save 15%
MAMAC Systems TE-702-B-7Z-B Duct Temperature Sensor, 10K NTC Type III, 6" Probe, NEMA 1 quantity
Duct Temperature Sensor, 10K NTC Type III, 12″ Probe, NEMA 1

MAMAC

SKU: TE-702-B-7-D
$15.47
MSRP: $17.79
You save 15%
MAMAC Systems TE-702-B-7-D Duct Temperature Sensor, 10K NTC Type III, 12" Probe, NEMA 1 quantity
Duct Temperature Sensor, 10K NTC Thermistor Type III, 8″ Probe, NEMA 1

MAMAC

SKU: TE-702-B-7-C
$15.47
MSRP: $17.79
You save 15%
MAMAC Systems TE-702-B-7-C Duct Temperature Sensor, 10K Ohm NTC Thermistor, 8" Probe, NEMA 1 quantity
Duct Temperature Sensor, 10K NTC Thermistor, 6″ Probe, NEMA 1

MAMAC

SKU: TE-702-B-7-B
$15.47
MSRP: $17.79
You save 15%
MAMAC Systems TE-702-B-7-B Duct Temperature Sensor, 10K NTC Thermistor, 6" Probe quantity
Duct Temperature Sensor, 20K NTC Thermistor, 12″ Probe, NEMA 1

MAMAC

SKU: TE-702-B-17-D
$15.47
MSRP: $17.79
You save 15%
MAMAC Systems TE-702-B-17-D Duct Temperature Sensor, 20K NTC, 12" Probe quantity
Duct Temp Sensor, 20K Ohm NTC Thermistor, 8″ Probe, NEMA 1

MAMAC

SKU: TE-702-B-17-C
$15.47
MSRP: $17.79
You save 15%
MAMAC Systems TE-702-B-17-C Duct Temperature Sensor, 8" Probe, NEMA 1 quantity
Duct Temperature Sensor, 10K NTC Thermistor, 12″ Probe, NEMA 1

MAMAC

SKU: TE-702-B-12-D
$15.47
MSRP: $17.79
You save 15%
MAMAC Systems TE-702-B-12-D Duct Temperature Sensor, 10K NTC Thermistor, 12" Probe, NEMA 1 quantity
Duct Temp Sensor, 1800 Ohm NTC Thermistor, 8″ Probe, Bulkhead Mount, 6′ Plenum Cable

MAMAC

SKU: TE-701-D-21-C
$13.92
MSRP: $16.01
You save 15%
MAMAC Systems TE-701-D-21-C Duct Temperature Sensor, 1800 Ohm NTC, 8" Probe quantity
VAV Discharge Air Temp Sensor, 10K NTC Thermistor, 6″ Probe, Flange Mount

MAMAC

SKU: TE-701-BX-12-B
$14.24
MSRP: $16.38
You save 15%
MAMAC Systems TE-701-BX-12-B VAV Discharge Air Temperature Sensor, 10K NTC Thermistor, 6" Probe, Flange Mount quantity
VAV Discharge Air Temp Sensor, 10K NTC Thermistor, 4″ Probe, Flange

MAMAC

SKU: TE-701-BX-12-A
$14.24
MSRP: $16.38
You save 15%
MAMAC Systems TE-701-BX-12-A VAV Discharge Air Temperature Sensor, 4" Probe, Flange Mount quantity
Duct Temp Sensor, 10K NTC Thermistor Type III, 12″ Probe, Flange

MAMAC

SKU: TE-701-B-7-D
$11.87
MSRP: $13.65
You save 15%
MAMAC Systems TE-701-B-7-D Duct Temperature Sensor, 12" Probe, Flange Mount, 6' Plenum Cable quantity
Duct Temp Sensor, 10K NTC Thermistor Type III, 6″ Probe, Flange Mount

MAMAC

SKU: TE-701-B-7-B
$11.87
MSRP: $13.65
You save 15%
MAMAC Systems TE-701-B-7-B Duct Temp Sensor, 10K NTC Thermistor, 6" Probe, Flange quantity
Duct Temp Sensor, 10K NTC Thermistor Type III, 4″ Probe, Flange Mount

MAMAC

SKU: TE-701-B-7-A
$11.87
MSRP: $13.65
You save 15%
MAMAC Systems TE-701-B-7-A Duct Temp Sensor, 10K NTC Thermistor, 4" Probe, Flange quantity
Duct Temp Sensor, 10K NTC Thermistor, 6″ Probe, Flange Mount, 6′ Plenum Cable

MAMAC

SKU: TE-701-B-12-B
$11.87
MSRP: $13.65
You save 15%
MAMAC Systems TE-701-B-12-B Duct Temperature Sensor, 10K NTC Thermistor, 6" Probe, Flange Mount quantity
Duct Temp Sensor, 10K NTC Thermistor, 6″ Probe, Flange Mount, 6″ Leads

MAMAC

SKU: TE-701-A-12-B
$9.49
MSRP: $10.91
You save 15%
MAMAC Systems TE-701-A-12-B Duct Temperature Sensor, 10K NTC Thermistor, 6" Probe, Flange Mount quantity
Duct Pressure Sensor, Field Selectable Ranges, 4-20mA Output

MAMAC

SKU: PR-276-R10-MA
$149.60
MSRP: $172.04
You save 15%
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Duct Humidity & Temperature Transducer, 3% Accuracy, 0-5/0-10VDC

MAMAC

SKU: HU-226-3-VDC-17
$123.75
MSRP: $142.31
You save 15%
MAMAC Systems HU-226-3-VDC-17 Duct Humidity & Temperature Transducer quantity
Duct Humidity & Temperature Transducer, 2% Accuracy, 4-20mA

MAMAC

SKU: HU-226-2-MA-12
$130.90
MSRP: $150.54
You save 15%
MAMAC Systems HU-226-2-MA-12 Duct Humidity & Temperature Transducer quantity
Duct Humidity Transducer, 2% Accuracy, 4-20mA 2-Wire, 12-40Vdc

MAMAC

SKU: HU-224-2-MA
$134.06
MSRP: $154.17
You save 15%
MAMAC Systems HU-224-2-MA Duct Humidity Transducer, 2% Accuracy, 4-20mA quantity
Series 94 Stainless Steel Sheath Sensor with 48″ Leads

Maxitrol

SKU: TS394-3B-48FQ
$57.68
MSRP: $66.33
You save 15%
Maxitrol TS394-3B-48FQ Series 94 Stainless Steel Sheath Sensor quantity
Discharge Air Sensor for Lennox HVAC Systems

Lennox

SKU: 88K38
$33.96
MSRP: $39.05
You save 15%
Lennox 88K38 Discharge Air Sensor quantity
RH Duct Sensor for Lennox HVAC Systems

Lennox

SKU: 76M31
$425.25
MSRP: $489.04
You save 15%
Lennox 76M31 RH Duct Sensor quantity
4″ Duct Rigid Temperature Sensor with 10′ Cable

KMC Controls

SKU: STE-1405
$27.61
MSRP: $31.75
You save 15%
KMC Controls STE-1405 4" Duct Rigid Temperature Sensor with 10' Cable quantity
10K Rigid 12″ Duct Temperature Sensor

KMC Controls

SKU: STE-1404
$34.84
MSRP: $40.07
You save 15%
KMC Controls STE-1404 10K Rigid 12" Duct Temperature Sensor quantity
10K Ohm 8″ Rigid Duct Temperature Sensor

KMC Controls

SKU: STE-1402
$31.50
MSRP: $36.23
You save 15%
KMC Controls STE-1402 10K Ohm 8" Rigid Duct Temperature Sensor quantity
8″ Duct Mount Temperature Sensor, 10K, Flange Mount

KMC Controls

SKU: STE-1401
$27.61
MSRP: $31.75
You save 15%
KMC Controls STE-1401 8" Duct Mount 10K Sensor Flange Mount quantity
Duct Temperature Sensor, 125° Insertion, 100-250°F Range

Kele

SKU: TC1051A3C-KE
$240.49
MSRP: $276.56
You save 15%
Kele TC1051A3C Duct Temperature Sensor, 125° Insertion, 100-250°F quantity
Duct Temperature Sensor, 125° Element, 100-250°F Range

Kele

SKU: TC1051A3C
$240.49
MSRP: $276.56
You save 15%
Kele TC1051A3C Duct Temperature Sensor, 125° Element, 100-250°F quantity
10K OHM Averaging Temperature Sensor

Kele

SKU: ST-FZ24-25-KE
$304.89
MSRP: $350.62
You save 15%
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10K OHM Averaging Temperature Sensor

Kele

SKU: ST-FZ24-25
$304.89
MSRP: $350.62
You save 15%
Read more
Duct Mount CO2 Sensor with 0-10 VDC Output

Kele

SKU: KCD-D-V-KE
$235.69
MSRP: $271.04
You save 15%
Kele KCD-D-V-KE Duct Mount CO2 Sensor with 0-10 VDC Output quantity
Duct Mount 0-10 VDC CO2 Sensor

Kele

SKU: KCD-D-V
$235.69
MSRP: $271.04
You save 15%
Kele KCD-D-V Duct Mount 0-10 VDC CO2 Sensor quantity
Duct Mount Temperature Sensor, 18″ Probe, 10K Ohm Type II Thermistor

Johnson Controls

SKU: TE-636JM-1
$48.75
MSRP: $56.06
You save 15%
Johnson Controls TE-636JM-1 Duct Mount Temperature Sensor, 18" Probe, 10K Ohm Type II Thermistor quantity
Duct Mount Temperature Sensor, 4″ Probe, 10K Ohm Type II Thermistor

Johnson Controls

SKU: TE-636GM-1
$30.15
MSRP: $34.67
You save 15%
Johnson Controls TE-636GM-1 Duct Mount Temperature Sensor, 4" Probe, 10K Ohm Type II Thermistor quantity
Flange Mount Temperature Sensor, 8″ Probe, Thermistor 10K Ohm Type II

Johnson Controls

SKU: TE-6361V-2
$34.67
MSRP: $39.87
You save 15%
Johnson Controls TE-6361V-2 Flange Mount Temperature Sensor, 8" Probe, 10K Ohm Type II quantity
Duct Mount Temperature Sensor, 8″ Probe, Thermistor 10K Ohm Type II

Johnson Controls

SKU: TE-6361P-1
$100.86
MSRP: $115.99
You save 15%
Johnson Controls TE-6361P-1 Duct Mount Temperature Sensor, 8" Probe, 10K Ohm Type II quantity

Duct Sensors

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